SPI Monitor March 2018

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March 2018

Mixed conditions were experienced in the islands of the eastern Caribbean for the month of February, being particularly different between the south and north. Apart from in the extreme southeast that had below normal rainfall, in Trinidad was normal to exceptionally wet; Tobago and Guadeloupe normal to slightly dry; Grenada very wet; Barbados from slightly dry in the southeast to exceptionally wet in the west; St. Vincent moderate to very wet; St. Lucia and St. Croix normal; Martinique normal to slightly wet; Dominica moderate to severely dry; Antigua slightly dry; St. Kitts severe to extremely dry; and St. Maarten moderately dry. Rainfall in the Guianas was predominantly normal, particularly in Suriname and French Guiana, but ranged from severely dry in the extreme west of Guyana to normal in the east. Aruba was moderately dry and Curacao slightly dry. Puerto Rico ranged from normal in the west to moderately wet in the east, while Hispaniola was normal to slightly wet. Conditions in Jamaica ranged from moderately dry in the extreme west and east to exceptionally wet in the north, but Grand Cayman was moderately dry. Conditions in Cuba ranged from moderately dry in the west to very wet in the extreme south; but northern Bahamas was extremely dry to extremely wet. Belize ranged from severely dry in the west to moderately wet in the north.

January to March 2018

For the three month period, contrasting conditions between the south and north were experienced in the islands of the eastern Caribbean. Trinidad ranged from normal in the south to very wet in the northwest; Tobago moderate to very wet; Grenada exceptionally wet; Barbados moderate to exceptionally wet from southeast to northwest; St. Lucia, Guadeloupe and St. Maarten normal; Martinique slight to moderately wet; Dominica normal to exceptionally wet from northeast to southwest; Antigua moderately dry; St. Kitts slightly dry. Conditions in the Guianas were predominantly normal, particularly in Suriname and French Guyana, while being moderately dry in western areas to normal in Guyana. Aruba was normal while Curacao was slightly wet. Conditions in Puerto Rico ranged from slightly wet in the west to extremely wet in the east, while Hispaniola ranged from normal in the south to exceptionally wet in the north. Conditions in Jamaica ranged from normal in the west to exceptionally wet in the north, but Grand Cayman was moderately dry. Central parts of Cuba were normal to slightly dry, but conditions were normal in the west and from slight to exceptionally wet in the east; but northern Bahamas was moderately dry to very wet. Belize ranged from exceptionally wet in central areas to normal to the north and south.

October 2017 to March 2018

During the six month period, apart from dry conditions being experienced in some of the northern islands, rainfall in the eastern Caribbean island chain was predominantly normal to above normal. Trinidad was slight to exceptionally wet from west to east; Tobago moderate to extremely wet; Grenada moderately wet; Barbados moderate to very wet; St. Lucia normal to slightly wet; Martinique normal to moderately dry; Dominica slight to extremely wet; Guadeloupe slightly wet in the southwest to extremely dry in the east; Antigua moderate to severely dry; St. Kitts and St. Maarten normal. In the Guianas Suriname was normal, French Guiana normal to slightly wet, but Guyana exceptionally dry in the west to normal in the east. Aruba was slightly dry, but Curacao normal. Conditions in Puerto Rico ranged from severely dry in the west to extremely wet in the east, but Hispaniola normal in the south to moderately wet in the north. Conditions in Jamaica ranged from moderately dry in the south to exceptionally wet in the north, while Grand Cayman was slightly wet. Cuba was normal in central areas, normal to slightly dry in the west and slight to exceptionally wet in the east; but northern Bahamas was moderately dry to moderately wet. Belize was normal in the east to extremely wet in the south and very wet in the north.

April 2017 to March 2018

Normal to above normal rainfall totals prevailed over the eastern Caribbean island chain for the twelve month period. Trinidad was slight to extremely wet; Tobago slight to moderately wet; Grenada very wet; Barbados moderate to very wet; St. Lucia normal to slightly wet; Martinique slightly wet to slightly dry; Dominica very to exceptionally wet; Guadeloupe slight to extremely wet; Antigua normal; and St. Kitts moderately wet. Conditions in the Guianas were predominantly normal to moderately wet apart from northern Guyana where rainfall was below normal. Aruba was slightly dry but Curacao normal. Conditions in Puerto Rico ranged from severely dry in the west to exceptionally wet in the east; but Hispaniola ranged from moderately dry in the south to extremely wet in the northeast. In Jamaica, conditions ranged from moderately dry in the west to exceptionally wet in the north, but Grand Cayman was normal. Western Cuba was moderately wet to slightly dry, while eastern Cuba was normal to exceptionally wet; but northern Bahamas was normal. Belize ranged from normal in central areas to moderately wet in the north and south.

April 2016 to March 2018

 

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

 

 

SPI Monitor February 2018

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February 2018

Mixed conditions were experienced in the islands of the eastern Caribbean for the month of February. Trinidad was slightly dry to slightly wet; Tobago and St. Lucia slight to moderately wet; Grenada extremely wet; Barbados very wet; St. Vincent and St. Maarten slightly wet; Martinique normal to very wet; normal to exceptionally wet from northeast to southwest; Guadeloupe slightly dry to slightly wet; Antigua slightly dry; and St. Kitts moderately dry. In the Guianas, Guyana ranged from slightly dry in southwest Guyana to moderately wet in the northeast, with both Suriname and French Guiana both being normal to slightly wet. Aruba was very wet while Curacao was extremely wet. Puerto Rico was predominantly normal apart from in the northeast that was slight to very wet. Conditions in Hispaniola ranged from moderately dry in the south to exceptionally wet in northern Dominican Republic. Conditions in Jamaica ranged from exceptionally dry in the south to slightly wet in the northwest, but Grand Cayman was slightly dry. Conditions ranged from exceptionally dry in northern Bahamas to normal in east and western Cuba. Belize ranged from extremely wet in the west to slightly wet in the south and to moderately wet in the north.

December 2017 to February 2018

Apart from in Guadeloupe that ranged from moderately wet to moderately dry, rainfall in the eastern Caribbean islands was normal to above normal for the three month period. Trinidad ranged from slightly wet in the west to very wet in the east; Tobago very to extremely wet; Grenada, Barbados and St. Lucia moderately wet; Martinique from normal to the north to exceptionally wet in the south; Dominica exceptionally wet; Antigua and St. Maarten normal; and St. Kitts normal to slightly wet. Conditions in the Guianas ranged from slightly dry in western and central Guyana and western Suriname to moderately wet in eastern French Guiana. Aruba was normal to slightly dry, but Curacao normal to slightly wet. Puerto Rico was predominantly normal apart from the northeast that was slightly to moderately wet. Conditions in Hispaniola ranged from normal in the south to extremely wet in the north. Jamaica was predominantly moderately wet apart from the extreme west that was slightly wet, but Grand Cayman was normal. Conditions in Cuba ranged from slightly dry in the west to exceptionally wet in the east, while northern Bahamas ranged from slightly dry to normal. Conditions in Belize ranged from extremely wet in the west to normal in the north and south.

September 2017 to February 2018

For the six month period, the rainfall in the eastern Caribbean was predominantly normal to above normal. Trinidad was slightly dry to exceptionally wet from west to east; Tobago moderate to extremely wet; Grenada moderately wet; Barbados extremely wet; St. Lucia normal to slightly wet; Martinique moderately dry to slightly wet from north to south; Dominica exceptionally wet; Guadeloupe extremely wet in the west to slightly wet in the east; Antigua normal; and St. Kitts normal to slightly wet. Conditions in the Guianas ranged from extremely dry in northwestern Guyana to moderately wet in northern Suriname and eastern and southeastern French Guiana. Aruba was slightly dry, but Curacao normal. Puerto Rico was exceptionally wet. Conditions in Hispaniola ranged from normal in the south to exceptionally wet in northern and eastern Dominican Republic, while in Jamaica they ranged from moderately dry in the southwest to extremely wet in the north. Grand Cayman was moderately wet. Cuba ranged from moderately dry in west central areas to exceptionally wet in the east, but northern Bahamas normal to moderately dry. Conditions in Belize ranged from normal in the east to moderately wet in the west and south and extremely wet in the north.

March 2017 to February 2018

Rainfall was normal to above normal in the islands of the eastern Caribbean over the twelve month period. Trinidad ranged from normal in the west to extremely wet in the east; Tobago slight to moderately wet; Grenada moderate to very wet; Barbados and St. Kitts moderately wet; St. Lucia normal to slightly wet; Martinique slightly dry to slightly wet; Dominica exceptionally wet; Guadeloupe exceptionally wet to the west to moderately wet in the east; and Antigua normal. Rainfall in the Guianas was predominantly normal to above normal (being extremely wet in northern Guyana/Suriname border areas) apart from a portion of northern Guyana. Aruba was slightly dry, but Curacao normal. Conditions in Puerto Rico ranged from severely dry in the west to exceptionally wet in the east, while in Hispaniola they ranged from normal in the south to extremely wet in the northeast. Jamaica was slightly dry in the south to exceptionally wet in the north, but Grand Cayman was normal. Conditions in Cuba ranged from slightly dry in west central areas to exceptionally wet in the east. Northern Bahamas was normal to moderately dry. Conditions in Belize ranged from normal in central areas to moderately wet in the north and south.

March 2016 to February 2018

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

SPI Monitor January 2018

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January 2018

Normal to above normal rainfall was experienced across the eastern Caribbean island chain for January. Trinidad was normal to moderately wet; Tobago and Dominica very to extremely wet; Grenada very wet; Barbados, St. Kitts, St. Thomas moderately wet; St. Lucia, Guadeloupe, Antigua and St. Maarten normal; and Martinique slight to moderately wet. The Guianas were predominantly normal apart from coastal areas that were normal to below normal and the southeast French Guiana that was slightly wet. Aruba was slightly dry, while Curacao was normal. Puerto Rico was moderately wet, while conditions in Hispaniola ranged from exceptionally wet in northern Haiti to very wet in southern Dominican Republic. Most of Jamaica was moderately wet with the western extreme very to extremely wet, while Grand Cayman was normal. Conditions in Cuba ranged from normal in the west to exceptionally wet in the east. Belize was moderately wet in central areas to normal to the north and south.

November 2017 to January 2018

Apart from Martinique that was moderately dry to slightly wet and Antigua that was slight to moderately dry, the islands of the eastern Caribbean experienced normal to above normal rainfall for the three month period. Trinidad ranged from normal to moderately wet; Tobago and St. Thomas moderately wet; Grenada normal to slightly wet; Barbados, St. Kitts and St. Maarten normal; St. Lucia normal in the north to slightly wet in the south; Dominica moderate to very wet; and Guadeloupe normal to slightly wet. Conditions in the Guianas ranged from extremely dry in northwest Guyana to moderately wet in eastern French Guyana, with most of Suriname being normal. Aruba was slightly dry, while Curacao was normal. Puerto Rico was predominantly moderately wet, with the southwest being slightly wet. Conditions in Hispaniola ranged from exceptionally wet in northwest Haiti and northeast Dominican Republic to slightly wet in southern Hispaniola. Conditions in Jamaica ranged from slightly wet in the south to exceptionally wet in the north, but Grand Cayman was normal. Cuba ranged from normal in the west to exceptionally wet in the east. Belize was predominantly normal apart from in the west that was slightly wet.

August 2017 to January 2018

For the six month period the islands of the eastern Caribbean had predominantly normal to above normal rainfall, with Martinique being normal to slightly dry. Trinidad was normal in the west to exceptionally wet in the east; Tobago very wet; Grenada moderately wet; Barbados very to extremely wet; St. Lucia normal to slightly wet; Dominica extreme to exceptionally wet; Guadeloupe moderate to extremely wet; Antigua normal; and St. Kitts moderately wet. The Guianas were predominantly normal apart from some areas in northern Guyana and the eastern border with Suriname that were below normal, and northern Suriname and eastern French Guiana that were slightly wet. Aruba was moderately dry, while Curacao was normal to slightly dry. Puerto Rico was exceptionally wet, but Hispaniola ranged from normal in the south to exceptionally wet in eastern Dominican Republic and very wet in northwestern Haiti. Conditions in Jamaica ranged from slightly dry in the west to extremely wet in the north, but Grand Cayman was slight to moderately wet. Cuba ranged from slight to moderately dry in west central areas to exceptionally wet in the east. Most of Belize was normal, with slightly wet areas in the extreme south and slight to moderately wet portions in the north.

February 2017 to January 2018

Normal to above normal rainfall was experienced in the islands of the eastern Caribbean. Trinidad was slight to extremely wet; Tobago slight to moderately wet; Grenada, Barbados and St. Kitts moderately wet; St. Lucia and Antigua normal; Martinique normal to slightly dry; Dominica extreme to exceptionally wet; and Guadeloupe moderate to exceptionally wet. Rainfall in the Guianas was predominantly normal to above normal apart from northern Guyana, with the northern Suriname-Guyana border being extremely wet. Aruba was slightly dry, while Curacao was normal. Conditions in Puerto Rico ranged from severely dry in the west to exceptionally wet in the east, but central Hispaniola was normal and ranging to extremely wet in eastern Dominican Republic and moderately wet in western Haiti. Jamaica ranged from normal in the west to extremely wet in the north, but Grand Cayman was normal. Conditions in Cuba ranged from slightly dry in west central areas to very wet in the west and exceptionally wet in the east. Belize was predominantly normal apart from the north that was slight to moderately wet.

February 2016 to January 2018

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

SPI Monitor December 2017

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December 2017

Mixed rainfall conditions were experienced in the islands of the eastern Caribbean for December. Trinidad was very to exceptionally wet; Tobago slight to very wet; Grenada normal; Barbados normal to slightly wet; St. Vincent normal; St. Lucia moderate to very wet; Martinique normal to exceptionally wet; Dominica moderate to exceptionally wet; Guadeloupe normal to extremely dry; Antigua slightly wet; St. Kitts slight to moderately wet; St. Maarten moderately dry; and St. Croix moderately wet. Conditions in the Guianas ranged from severely dry in western Guyana to exceptionally wet in parts of French Guiana, but with most of the region normal to slightly dry. Aruba was moderately dry, but Curacao normal. Puerto Rico was predominantly slightly dry. Most of Hispaniola was normal except eastern Dominican Republic that was slight to moderately dry and the southwestern tip of Haiti that was slightly dry. Conditions in Jamaica ranged from normal in the east and west to exceptionally wet in the south; while Grand Cayman was normal. Conditions in Cuba ranged from severely dry in the west to slightly wet in east central areas, while for Belize they were predominantly normal apart from parts of the extreme west that were slightly dry and in the extreme southeast that were slight to moderately wet.

October to December 2017

For the three month period, mixed rainfall conditions were experienced in the islands of the eastern Caribbean. Trinidad ranged from normal to exceptionally wet; Tobago moderate to very wet; Grenada, St. Kitts normal and St. Maarten; Barbados slightly wet; St. Vincent normal to slightly dry; St. Lucia normal to slightly wet; Martinique normal to severely dry; Dominica normal to moderately wet; Guadeloupe slightly wet to exceptionally dry; Antigua moderately dry. Conditions in the Guianas ranged from exceptionally dry in western Guyana to exceptionally wet in northern French Guiana, with most of Suriname being normal. Aruba was slightly dry, but Curacao normal. Puerto Rico was normal to moderately wet from west to east. Hispaniola was mostly normal but slightly wet in western Haiti and parts of eastern Dominican Republic; while Jamaica ranged from normal in the west to extremely wet in central areas. Grand Cayman was normal. Conditions in Cuba ranged from normal to moderately wet, while in Belize they ranged from normal in the west to exceptionally wet in the south and to very wet in the north.

July to December 2017

Predominantly normal to above normal rainfall was experienced in the islands of the eastern Caribbean over the six month period. This is except for Trinidad that was ranged from slightly dry in the extreme southwest to exceptionally wet in the east, and Martinique that was normal to moderately dry. Tobago was normal to moderately wet; Grenada, St. Vincent, St. Lucia and Antigua normal; Barbados moderate to very wet; Dominica moderate to very wet; Guadeloupe normal to extremely wet; and St. Kitts slight to moderately wet. Conditions in the Guianas ranged from exceptionally dry in northern Guyana to exceptionally wet in northern French Guiana, with most of the area being normal to moderately wet. Aruba was slightly dry and Curacao normal. Puerto Rico was extreme to exceptionally wet. Hispaniola ranged from normal over southwest Haiti to extremely wet northeast Dominican Republic. Conditions in Jamaica ranged from moderately dry in the west to extremely wet in north central areas; but Grand Cayman was normal. Cuba ranged from slightly dry in west-central areas to exceptionally wet in the east, while Belize ranged from extremely dry in the extreme west to moderately wet in the extreme north.

January to December 2017

Apart from St. Lucia that was slightly dry to slightly wet and Martinique that was normal to moderately dry, rainfall over the islands of the eastern Caribbean was normal to above normal for the twelve month period. Trinidad was normal to extremely wet; Tobago normal to slightly wet; Grenada, Barbados and St. Kitts moderately wet; St. Vincent and Antigua normal; Dominica very to exceptionally wet; and Guadeloupe slight to exceptionally wet. Conditions in the Guianas ranged from extremely dry in northern Guyana to exceptionally wet in northern Suriname. Both Aruba and Curacao were normal. Puerto Rico ranged from moderately dry in the west to exceptionally wet in the east. Hispaniola ranged from slightly dry in southern regions to very wet in northeast Dominican Republic. Conditions in Jamaica ranged from normal in the extreme west to exceptionally wet in the north, while Grand Cayman was normal. Normal to slightly dry conditions predominated central Cuba, with up to exceptionally wet areas in the west and extremely wet in the southeast. Belize was normal.

January 2016 to December 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

SPI Monitor November 2017

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November 2017

The islands of the eastern Caribbean received predominantly normal to below normal rainfall. Trinidad was exceptionally dry in the west to normal in the east; Tobago; St. Vincent and Guadeloupe normal to moderately dry; Grenada, St. Lucia and St. Maarten normal; Barbados normal to slightly dry; Martinique normal to exceptionally dry; Dominica normal to severely dry; Antigua moderate to severely dry; and St. Kitts slight to moderately dry. Conditions in the Guianas ranged from exceptionally dry in western Guyana to extremely wet in northern Guyana, though Suriname and French Guiana were generally slightly dry to slightly wet. Aruba and Curacao were normal. Puerto Rico was moderate to very wet, while Hispaniola ranged from exceptionally wet to exceptionally dry. In Jamaica, conditions ranged from slightly dry to exceptionally wet; while Grand Cayman was normal. Conditions in Cuba ranged from slightly wet in the west to exceptionally wet in the east; but in Belize the range was from moderately dry to slightly wet.

September to November 2017

The majority of the islands of the eastern Caribbean received normal to above normal rainfall for the three month period. Trinidad ranged from moderately dry to moderately wet; Tobago normal to moderately wet; Grenada slight to moderately wet; Barbados moderate to very wet; St. Vincent slightly dry to moderately wet; St. Lucia and Antigua normal; Martinique moderately dry to slightly wet; Dominica moderate to very wet; Guadeloupe from slightly wet in the east to exceptionally wet in the west; and Kitts slightly wet. Conditions in the Guianas ranged from extremely dry in western Guyana to extremely wet in northern Suriname. Aruba and Curacao were both normal. Puerto Rico was predominantly exceptionally wet. Conditions in Hispaniola ranged from moderately dry in central Haiti to exceptionally wet in northern and eastern Dominican Republic; while Jamaica ranged from moderately dry in the west to extremely wet in north central areas. Grand Cayman was moderately wet. Cuba ranged from normal in central areas to exceptionally wet in the east, while Belize ranged from normal in central areas to extremely wet in the north.

June to November 2017

For the six month period, rainfall in the eastern Caribbean was predominantly normal to above normal. Trinidad ranged from slightly dry in the west to exceptionally wet in the east; Tobago normal to moderately wet; Grenada moderate to very wet; Barbados slightly dry to very wet; St. Vincent normal to very wet; St. Lucia normal to slightly dry; Martinique moderately dry to slightly wet; Dominica normal in the south to extremely wet in the north; Guadeloupe from normal in the east to exceptionally wet in the west; Antigua normal; and St. Kitts moderately wet. Conditions in the Guianas ranged from exceptionally dry in the extreme northern Guyana to exceptionally wet at the northern Guyana/Suriname border. Aruba and Curacao were both normal. Puerto Rico was very to exceptionally wet, but Hispaniola ranged from severely dry in central Haiti to the border with the Dominican Republic, to exceptionally wet in northern Dominican Republic. Conditions in Jamaica ranged from severely dry in the west to extremely wet in the north. Grand Cayman was normal. Conditions in Cuba ranged from normal in central areas to exceptionally wet in the east, while Belize ranged from moderately dry in the north to moderately wet in the south.

December 2016 to November 2017

Apart from Martinique that was moderately dry to exceptionally wet, rainfall for the twelve month period was normal to above normal in the eastern Caribbean. Trinidad ranged from moderately dry to extremely wet; Tobago and St. Vincent normal to moderately wet; Grenada and St. Kitts moderately wet; Barbados moderate to very wet; St. Lucia and Antigua normal; Martinique moderately dry to exceptionally wet; Dominica moderate to exceptionally wet; and Guadeloupe normal to exceptionally wet. Conditions in the Guianas ranged from moderately dry in extreme northern Guyana to exceptionally wet in northern Suriname. Aruba and Curacao were both normal. Conditions in Puerto Rico ranged from severely dry in the west to exceptionally wet in the east, while Hispaniola ranged from exceptionally dry in southern Dominican Republic to extremely wet in the northeast. Jamaica ranged from normal in the west to extremely wet in central areas, while Grand Cayman was normal. Conditions in Cuba ranged from normal in central areas to extremely wet in the east and west, but Belize was predominantly normal but ranged to moderately dry in the north.

December 2015 to November 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

SPI Monitor October 2017

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October 2017

For October, there was mixed rainfall in the islands of the eastern Caribbean. Rainfall totals for Trinidad ranged from normal in the west to exceptionally wet in the east. Tobago was slightly wet in the west to exceptionally wet in the east; Grenada moderately wet; Barbados moderate to extremely wet; St. Vincent normal to slightly wet; St. Lucia, Dominica and St. Kitts normal; Martinique normal to slightly dry; Guadeloupe normal in the west to moderately dry in the east; and Antigua slight to moderately dry. Apart from southwestern and northern extremes of Guyana, the Guianas generally experienced normal to moderately wet conditions. Aruba was slightly dry while Curacao was normal. Puerto Rico ranged from normal in the north to extremely wet in the south east. Conditions in Hispaniola ranged from normal in the southwest to moderately dry in the north and east. Jamaica ranged from normal in the west to moderately wet in the east, while Grand Cayman was moderately wet. Conditions in Cuba ranged from moderately dry to moderately wet, but northern Bahamas was normal to moderately wet. Belize ranged from slightly dry in western areas to exceptionally wet to the north and south.

August to October 2017

For the three month period, rainfall was normal to above normal in the eastern Caribbean. Trinidad was normal to exceptionally wet; Tobago moderately wet; Tobago, Grenada and St. Vincent moderately wet; St. Lucia, Martinique and Antigua normal; Dominica and Guadeloupe extreme to exceptionally wet; and St. Kitts very wet. The Guianas ranged from very wet to severely dry. Aruba was moderately dry but Curacao normal. Puerto Rico was extreme to exceptionally wet. Hispaniola ranged from slightly dry in the southwest to exceptionally wet in the north, but from moderately dry in the west to moderately wet in central areas. Grand Cayman was moderately wet. Conditions in western Cuba ranged from moderately wet to moderately dry, but from normal to exceptionally wet in the east. Northern Bahamas was normal, but Belize experienced conditions from severely dry in the west to extremely wet in the north and moderately wet to the south.

May to October 2017

Normal to above normal rainfall was experienced over the eastern Caribbean islands for the six month period. Trinidad was normal to extremely wet; Tobago, St. Lucia, Martinique and Antigua normal; Grenada and St. Kitts very wet; St. Vincent normal to slightly wet; Dominica moderate to very wet; and Guadeloupe extremely wet. Most of the Guianas was normal to exceptionally wet apart from the northern tip of Guyana. Aruba was slightly dry, but Curacao normal. Puerto Rico ranged from very wet in the west to exceptionally wet in the east. Conditions in Hispaniola ranged from moderately dry in the south west to moderately wet in the northeast, but from moderately dry to very wet in Jamaica. Grand Cayman was normal. In Cuba conditions ranged from slightly dry in west central Cuba to extremely wet in the west and southeast, but northern Bahamas ranged from slightly dry to slightly wet. Most of Belize was normal, but ranged to moderately wet in the north and south.

November 2016 to October 2017

Normal to above normal rainfall was experienced over the eastern Caribbean islands for the twelve month period. Trinidad ranged from normal in the west to exceptionally wet in the northeast; Tobago slight to moderately wet; Grenada very wet; Barbados exceptionally wet; St. Vincent extremely wet; St. Lucia normal to very wet; Martinique normal to slightly wet; Dominica moderate to exceptionally wet; Guadeloupe very to exceptionally wet; Antigua slightly wet; and St. Kitts moderate to very wet. Conditions in the Guianas ranged from moderate to exceptionally wet. Aruba was normal but Curacao moderately wet. Puerto Rico was predominantly exceptionally wet. Conditions in Hispaniola ranged from moderately dry in the southwest to exceptionally wet in the northeast, but in Jamaica was from slightly dry in the west to very wet in central areas. Grand Cayman was moderately dry. Western Cuba ranged from very wet to moderately dry, while eastern Cuba was from normal to moderately wet. Northern Bahamas ranged from normal to extremely dry. Belize was predominantly normal.

November 2015 to October 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

SPI Monitor September 2017

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September 2017

Normal to above normal rainfall was experienced over the islands of the eastern Caribbean for September 2017. Trinidad, Tobago, St. Vincent, and St. Lucia were normal; Grenada slightly wet; Barbados very to extremely wet from south to north; Martinique slight to moderately wet; Dominica and Guadeloupe exceptionally wet; Antigua moderately wet; and St. Kitts very wet. Conditions in the Guianas ranged from moderately dry in the north to extremely wet in southern Suriname and western Guyana. Aruba and Curacao were normal. Conditions in Hispaniola ranged from slight to moderately dry in southern Haiti to exceptionally wet in most of the Dominican Republic; while Jamaica ranged from extremely wet in central areas to severely dry in the west. Grand Cayman was normal. Western Cuba was slightly dry to slightly wet, and eastern areas normal to exceptionally wet. Belize ranged from exceptionally dry in central areas to moderately dry in the south and moderately wet in the north.

July to September 2017

Apart from Trinidad that was slightly wet to moderately dry, the islands of the eastern Caribbean experienced normal to above normal rainfall for the three month period. Tobago, Grenada, St. Vincent, St. Lucia and Martinique were normal; Barbados and Dominica moderate to extremely wet; Guadeloupe extreme to exceptionally wet; Antigua slightly wet; and St. Kitts very wet. Conditions in the Guianas ranged from moderately dry to exceptionally wet in central areas of Guyana to the west into western Suriname. Both Aruba and Curacao were normal. Conditions in Hispaniola ranged from normal in the southwest to exceptionally wet northern Dominican Republic; while Jamaica was moderately wet in central areas to extremely dry in the west. Grand Cayman was normal. Western Cuba was slightly dry to slightly wet, and eastern areas normal to exceptionally wet. In Belize, conditions ranged from exceptionally dry in central areas to normal to the north and south.

 

April to September 2017

For the six month period, apart from Tobago that was normal to moderately dry, the eastern Caribbean islands had normal to above normal rainfall. Trinidad was normal to moderately wet; Grenada, Barbados and Antigua moderately wet; St. Vincent slight to moderately wet; St. Lucia and Martinique normal; Dominica moderate to exceptionally wet; Guadeloupe exceptionally wet; and St. Kitts extremely wet. Conditions in the Guianas ranged from moderately dry in the north of Guyana to exceptionally wet in northwest Guyana into northwestern Suriname. Aruba and Curacao were normal. Conditions in Hispaniola ranged from moderately dry in the southwest to very wet in northern Dominican Republic; while Jamaica was exceptionally wet in central areas to moderately dry in the west. Grand Cayman was moderately dry. Cuba ranged from normal in central areas to extremely wet in the west and exceptionally wet in the southeast. Belize was normal to moderately dry.

 

October 2016 to September 2017

Apart from Trinidad that was moderately dry to moderately wet, rainfall for the twelve month period in the islands of the eastern Caribbean was normal to above normal. Tobago and Antigua were normal; Grenada slightly wet; Barbados extreme to exceptionally wet; St. Vincent extremely wet; St. Lucia from normal in the north to extremely wet in the south; Martinique normal to slightly wet; Dominica exceptionally wet; Guadeloupe extreme to exceptionally wet; and St. Kitts moderately wet. Conditions in the Guianas ranged from moderately dry in northern Guyana to exceptionally wet in central Suriname. Aruba was normal but Curacao slightly wet. Conditions in Hispaniola ranged from normal in the southwest to exceptionally wet in northern Dominican Republic; while Jamaica was from very wet in central areas to moderately dry in the west. Grand Cayman was exceptionally dry. In Cuba, conditions were from moderately dry in central regions to very wet in the west and exceptionally wet in the east. Belize was normal in the south to moderately dry in the north.

October 2015 to September 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

 

SPI Monitor August 2017

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August 2017

Normal to above normal rainfall was experienced in the islands of the eastern Caribbean during August. Trinidad was predominantly normal, with northern areas being slight to moderately wet; Tobago normal to extremely wet; Grenada, St. Kitts and Anguilla slightly wet; Barbados normal in the west to very wet in the southeast; St. Vincent, St. Croix and St. Thomas moderately wet; St. Lucia normal in the north to slightly wet in the south; Martinique and Antigua normal; and Dominica normal to very wet. Conditions in the Guianas ranged from exceptionally dry in French Guiana to moderately wet in southern Guyana and southwest Suriname. Aruba was slightly dry while Curacao was normal. Conditions in Puerto Rico ranged from slightly dry in the west to extremely wet in the southeast. Hispaniola was predominantly normal, apart from in the extreme west of Haiti that was slightly wet and the extreme east of the Dominican Republic that was slight to moderately dry. Apart from the extreme west that was slight to moderately dry, Jamaica was also predominantly normal, and Grand Cayman was normal. Conditions in Cuba ranged from slightly dry in the northwest to moderately wet in the east. Belize was normal in the south and slightly dry in the north.

June to August 2017

 

For the three month period, normal to above normal rainfall dominated the eastern Caribbean islands. Trinidad ranged from normal to extremely wet; Tobago, Martinique, Antigua and St. Croix normal; Grenada moderately wet; Barbados slight to moderately wet; St. Vincent, Anguilla and St. Thomas slightly wet; St. Lucia normal to slightly wet; Dominica normal in the southwest to moderately wet in the northeast; and St. Kitts very wet. Conditions in the Guianas ranged from exceptionally dry in northern Guyana and French Guiana to exceptionally wet in east central Guyana. Aruba and Curacao were normal. Conditions in Puerto Rico ranged from extremely wet in the west to moderately wet in the east; while Hispaniola was predominantly normal apart from eastern Dominican Republic that was slight to moderately dry. Conditions in Jamaica ranged from severely dry in the west to moderately wet in central areas; while Grand Cayman was moderately dry. Cuba ranged from normal in central and eastern areas to moderately wet in the west and southeast. Conditions in Belize ranged from normal in eastern and central areas to moderately wet in the north.

March to August 2017

Rainfall in the islands of the eastern Caribbean for the six month period was normal to above normal. Trinidad was normal to moderately wet; Tobago, Barbados, St. Lucia, Martinique and Antigua normal; Grenada, St. Vincent, St. Kitts and St. Thomas moderately wet; Dominica slight to moderately wet; and St. Croix very wet. Conditions in the Guianas ranged from exceptionally wet in eastern Guyana and northwestern Suriname to moderately dry in northern Guyana. Aruba and Curacao were normal, while Puerto Rico was moderately wet. Apart from some southern areas, that were slightly dry, Hispaniola was predominantly normal. Conditions in Jamaica ranged from extremely wet in central areas to normal in western portions; but Grand Cayman was moderately dry. Conditions in Cuba ranged from slightly dry to extremely wet; while Belize was predominantly normal apart from the extreme north that was slightly wet.

September to August 2017

 

Apart from Trinidad that was moderately dry to slightly wet, the islands of the eastern Caribbean experienced normal to above normal totals over the twelve month period. Tobago, Grenada, Antigua and St. Kitts were normal; Barbados very wet; St. Vincent extremely to exceptionally wet; St. Lucia normal in the north to exceptionally wet in the south; Martinique, Anguilla and St. Thomas slightly wet; Dominica slight to extremely wet; and St. Croix moderately wet. Conditions in the Guianas ranged from exceptionally wet to moderately dry. Aruba was slightly wet and Curacao moderately wet. Conditions in Puerto Rico ranged from normal in the west to extremely wet in the east; while in Hispaniola they ranged from normal in the south to exceptionally wet in northern Dominican Republic. Conditions in Jamaica ranged from moderately wet in central areas to normal in the east and west; but Grand Cayman was exceptionally dry. Conditions in Cuba ranged from moderately dry in central areas to exceptionally wet in the east; but Belize was predominantly normal apart from the north that was slightly dry.

September 2015 to August 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

 

SPI Monitor July 2017

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July 2017

Conditions were predominantly normal to below in the islands of the eastern Caribbean. Conditions in Trinidad ranged from slightly wet in the north to extremely dry in the south; Tobago from severely dry in the west to normal in the east; Grenada, St. Kitts and St. Maarten normal; Barbados slight to moderately dry; St Vincent, Martinique and Antigua moderately dry; St. Lucia from normal in the north to moderately dry in the south; Dominica normal to severely dry; Anguilla slightly wet; St Croix extremely dry; and St. Thomas moderately wet. Conditions in the Guianas ranged from exceptionally dry to exceptionally wet. Aruba was slightly wet while Curacao was normal. Conditions in Puerto Rico ranged from normal in the south to moderately wet in the north. Conditions in Hispaniola ranged from moderately wet in the regions around the Haiti-Dominican Republic border, to extremely dry in the east and normal to slightly dry in the west. In Jamaica conditions ranged from normal in the west to severely dry in the east, while Cuba was predominantly normal. Conditions in Belize ranged from slightly dry to slightly wet.

May to July 2017

For the three month period, normal to above normal rainfall predominated the eastern Caribbean islands. Trinidad was normal in the south to moderately dry in the north; Tobago slight to moderately dry; Grenada, St. Kitts and Anguilla moderately wet; Barbados, St. Vincent, St. Lucia, Martinique, Antigua, St. Thomas normal;   St. Maarten slightly wet; and St. Croix slightly dry. Conditions in the Guianas ranged from exceptionally dry to exceptionally wet. Aruba was slightly wet, but Curacao normal. Conditions in Puerto Rico ranged from moderately wet in the west to normal in the east; while Hispaniola ranged from normal in the south west to extremely dry in the south east. In Jamaica, conditions ranged from extremely wet in central areas to normal to the east and west. Cuba was predominantly normal but slight to moderately wet conditions were experienced in parts of the west and southeast. Central Belize was normal but conditions ranged to moderately wet to the north and south.

February to July 2017

Apart from Tobago that was normal to moderately dry, normal to above normal rainfall predominated the islands of the eastern Caribbean over the six month period. Trinidad was normal in the south and slightly wet in the north; Grenada, Dominica, Anguilla, St. Maarten and St. Thomas slightly wet; Barbados, St. Vincent, St. Lucia and Antigua; and St. Croix very wet. Conditions in the Guianas ranged from moderate to exceptionally wet. Aruba and Curacao were normal; while conditions in Puerto Rico ranged from extremely wet in the northwest to normal in the east. Hispaniola was predominantly normal apart from portions of the southeast that were slightly dry. Conditions in Jamaica ranged from extremely wet in central areas to slightly wet to the east and west. Most of Cuba was normal apart from portions of the west and southeast where rainfall totals were above normal and in north central areas that were slightly dry. Conditions in Belize ranged from slightly dry in the west to slightly wet in the north.

August 2016 to July 2017

Mixed conditions were experienced in the islands of the eastern Caribbean for the twelve month period. Trinidad ranged from normal to moderately dry; Tobago slight to moderately dry; Barbados moderately wet; St. Vincent exceptionally wet; Grenada, St. Kitts, Anguilla and St. Maarten normal; St. Lucia from normal in the north to exceptionally wet in the south; Dominica normal to slightly wet; Antigua, and St. Croix and St. Thomas slightly wet. Conditions in the Guianas ranged from moderately dry to exceptionally wet. Aruba and Curacao were slightly wet; but conditions in Puerto Rico ranged from normal in the south to very wet in the north. Conditions in Hispaniola ranged from moderately dry in the south to exceptionally wet in the north, while in Jamaica they ranged from very wet in central areas to normal in the east and west. Central Cuba ranged from normal to moderately dry, while to the east and west rainfall totals were above normal.

August 2015 to July 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

SPI Monitor June 2017

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June 2017

Rainfall in the islands of the eastern Caribbean was normal to above normal. Trinidad was predominantly extremely wet; Tobago, Martinique and St. Thomas normal; Grenada extreme to exceptionally wet; Barbados moderate to very wet; St. Vincent slight to moderately wet; St. Lucia from normal in the north to moderately wet in the south; Dominica from normal in the south to very wet in the north; Guadeloupe moderate to extremely wet; Antigua, Anguilla moderately wet; St. Kitts exceptionally wet; St. Maarten and St. Croix slightly wet. Conditions in the Guianas ranged from moderately dry in northern Guyana to exceptionally wet in northwestern Suriname. Aruba and Curacao were normal and moderately wet respectively. Conditions in Puerto Rico ranged from exceptionally wet in the west to normal in the east, while in Hispaniola was predominantly normal apart from a slight to moderately dry western and slightly dry eastern portions. Conditions in Jamaica ranged from moderately dry in the west to extremely wet in the south, but Grand Cayman was normal. In Cuba, western areas were slight to very wet, eastern normal to moderately dry and central areas normal to slightly wet. In Belize, conditions ranged from slightly dry to moderately wet.

April to June 2017

Apart from Tobago that was normal to moderately dry and St. Thomas that was moderately dry, conditions in the islands of the eastern Caribbean were normal to above normal for the three month period. Trinidad and Barbados were normal to moderately wet; Grenada, Antigua, St. Kitts, Anguilla, St. Maarten and St. Croix moderately wet; St. Vincent slightly wet; St. Lucia and Martinique normal to slightly wet; Dominica slight to moderately wet; and Guadeloupe moderate to extremely wet. Conditions in the Guianas ranged from moderately dry in the north of Guyana to exceptionally wet in northwest Suriname. Aruba was normal but Curacao slightly wet. Conditions in Puerto Rico ranged from moderately wet in the west to normal in the east; but Hispaniola was moderately dry in most of Haiti and western Dominican Republic to normal in the east. Conditions in Jamaica ranged from exceptionally wet in central regions to moderately wet to the east and west; but Grand Cayman was normal. Both Cuba and Belize were predominantly normal apart from some areas in the west and south that had above normal rainfall in the case of Cuba, and in the east in the case of Belize.

January to June 2017

For the six month period, normal to above normal rainfall was experienced in the islands of the eastern Caribbean. Trinidad and Barbados were normal to slightly wet; Tobago, St. Vincent, St. Lucia, Martinique, Antigua, St. Maarten, and St. Thomas normal; Grenada, Dominica and St. Kitts moderately wet; and St. Croix very wet. Conditions in the Guianas ranged from moderately dry in the north of Guyana to exceptionally wet in north-central Suriname. Aruba was moderately wet and Curacao slightly wet. Conditions in Puerto Rico ranged from very wet in the north west to normal in the east, while Hispaniola was predominantly normal apart from the south and southwest that was slight to moderately dry. Conditions in Jamaica ranged from slight to exceptionally wet, but Grand Cayman was normal. Cuba ranged from exceptionally wet in the west to moderately dry in the north, while Belize ranged from normal to slightly dry.

July 2016 to June 2017

Mixed conditions were experienced over the eastern Caribbean islands for the twelve month period. Trinidad ranged from moderately dry to normal; Tobago and Guadeloupe slight to moderately dry; Grenada, St. Kitts, Anguilla and St. Maarten normal; Barbados moderate to very wet; St. Vincent moderate to extremely wet; St. Lucia from slightly dry in the north to exceptionally wet in the south; Martinique slightly dry to moderately wet; Dominica and St. Croix normal to moderately wet; and Antigua and St. Thomas slightly wet. Conditions in the Guianas ranged from moderately dry in the north to exceptionally wet in central areas. Aruba and Curacao were both slightly wet. Conditions in Puerto Rico ranged from normal in the west to very wet in the northeast; but in Hispaniola ranged from moderately dry in the south to exceptionally wet in the north. Conditions in Jamaica ranged from very wet in central areas to normal to the east and west; but for Cuba central areas were normal to severely dry and western and eastern areas ranged to exceptionally wet. Belize ranged from extremely dry in the south to normal in central areas and varying to severely dry in the north.

July 2015 to June 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

 

SPI Monitor May 2017

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May 2017

Apart from Tobago that was slightly dry, the islands of the eastern Caribbean were normal to wet. Trinidad, Barbados, St. Vincent, St. Lucia, St. Croix and St. Thomas were normal; Grenada slight to moderately wet; Martinique normal to slightly wet; Guadeloupe and Anguilla moderately wet; and Antigua, St. Kitts and St. Maarten slightly wet. Conditions in the Guianas ranged from moderately dry in eastern Coastal Guyana to very wet in northwestern Suriname. Aruba was normal while Curacao was slightly wet. Conditions in Puerto Rico ranged from moderately dry in the west to normal in the east, but in the Dominica Republic they ranged from exceptionally dry in the west to normal in the east. Conditions in Jamaica ranged from very wet in the west to slightly wet in the east, but Grand Cayman was severely dry. Cuba was predominantly normal, though slightly wet in parts of the east and west, and slightly dry in some north central areas. Conditions in Belize ranged from moderately dry in the west to slightly dry in the north.

March to May 2017

For the three month period, apart from in Trinidad that was normal to slightly dry, rainfall in the islands of the eastern Caribbean was normal to above normal. Tobago, Grenada, Barbados, St. Lucia and St. Kitts were normal; St. Vincent, Anguilla and St. Croix moderately wet; Martinique normal to moderately wet; Dominican moderate to extremely wet; Guadeloupe moderate to very wet; Antigua, St. Thomas and St. Maarten slightly wet. Conditions in the Guianas ranged from moderately dry in eastern Coastal Guyana to very wet in northwestern Suriname. Aruba was normal while Curacao was slightly wet. Conditions in Puerto Rico ranged from normal in the west to moderately wet in the east, while in the Dominican Republic they ranged from moderately dry in the southwest to slightly wet in the north. Conditions in Jamaica ranged from extremely wet in the west to moderately wet in the east, but Grand Cayman was normal. In Cuba, central areas were normal to slightly dry, western areas normal to extremely wet and eastern areas normal to slightly wet. Conditions in Belize ranged from severely dry in the west to moderately wet further north.

December 2016 to May 2017

Apart from Barbados was normal to slightly dry, rainfall in the eastern Caribbean was normal to above normal for the six month period. Trinidad, St. Vincent, St. Lucia, Antigua, St. Kitts and St. Thomas were normal; Tobago, Grenada, and St. Maarten slightly wet; Martinique normal to moderately wet; Dominica normal to exceptionally wet; Guadeloupe slight to very wet; Anguilla moderately wet, and St. Croix extremely wet. Conditions in the Guianas ranged from extremely dry in northern Guyana to very wet to exceptionally wet in northern Suriname. Aruba was moderately wet, while Curacao was slightly wet. Puerto Rico was normal, but the Dominican Republic though predominantly normal was slightly dry in the southwest and slightly wet in the north. Conditions in Jamaica ranged from very wet in the southwest to normal in the east, but Grand Cayman was slightly dry.  In Cuba, the west was normal to very wet, central areas normal to moderately dry, and the east normal. Conditions in Belize ranged from moderately dry in the west to exceptionally wet in the south and normal to the north.

June 2016 to May 2017

Mixed conditions were experienced in the islands of the eastern Caribbean over the twelve month period. Trinidad was slight to severely dry; Tobago slight to severely dry; Grenada, St. Kitts and Anguilla normal; St. Vincent moderate to very wet; St. Lucia exceptionally wet; Martinique slightly dry to moderately wet; Dominica normal to very wet; Guadeloupe slight to moderately wet; Antigua and St. Thomas slightly wet; St. Maarten slightly dry; and St. Croix moderately wet. Conditions in the Guianas ranged from extremely dry in eastern coastal Guyana to exceptionally wet in eastern Guyana/western Suriname. Aruba was slightly wet and Curacao was normal. Conditions in Puerto Rico ranged from slightly dry in the southwest to very wet in the northeast, but in the Dominica Republic they ranged from normal in the southwest to exceptionally wet in the north. Conditions in Jamaica ranged from extremely wet in the north to normal in the west and in the east, but Grand Cayman was exceptionally dry. Central Cuba was normal to moderately dry, while the east and west ranged from normal to exceptionally wet. Conditions in Belize ranged normal in central areas to extremely dry in the south and moderately dry in the north.

June 2015 to May 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.

 

SPI Monitor April 2017

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April 2017

Mixed conditions were experienced in the islands of the eastern Caribbean during April. Trinidad was predominantly moderately dry with severely dry conditions in the northeast; Tobago; Grenada slight to moderately dry; Barbados and St. Thomas normal; St. Vincent moderate to very wet; St. Lucia and Martinique normal to slightly wet; Dominica moderately wet; Guadeloupe normal to moderately wet; Antigua and St. Kitts slightly wet; Anguilla and St. Maarten moderately wet; St. Croix exceptionally wet. Conditions in the Guianas ranged from slightly dry near some coastal regions to moderately wet. Aruba and Curacao were normal. Puerto Rico was slight to moderately wet, but in the Dominican Republic conditions ranged from normal to very wet. Conditions in Jamaica ranged from normal in the west to very wet; but Grand Cayman exceptionally wet. Normal to extremely wet conditions were experienced in Cuba; while Belize ranged from severely dry in the west to very wet in the east.

February to April 2017

During the three month period, conditions in the islands of the eastern Caribbean were predominantly wet. Trinidad was slightly dry; Tobago and St. Vincent normal to slightly wet; Grenada, Barbados, St. Lucia, Martinique, Antigua, St. Kitts, Anguilla and St. Maarten normal; Guadeloupe normal to moderately wet; St. Croix exceptionally wet; St. Thomas very wet. Conditions in the Guianas ranged from normal near coastal areas to extremely wet in the interior. Both Aruba and Curacao were normal. Puerto Rico was moderate to very wet; but the Dominican Republic ranged from extremely wet in central areas to slightly wet in some coastal areas. Conditions in Jamaica ranged from normal to exceptionally wet; but apart from western areas, Cuba was predominantly normal. Grand Cayman was very wet. Conditions in Belize ranged from moderately dry in west to exceptionally wet in the south.

November 2016 to April 2017

For the six month period, predominantly normal to above normal conditions were experienced over the islands of the eastern Caribbean. Trinidad was predominantly normal apart from the west that was slight to moderately dry and the northeast that was slightly wet; Tobago slight to moderately wet; Grenada, Dominica, St. Kitts and St. Maarten normal; Barbados very wet; St. Vincent exceptionally wet; St. Lucia moderate to exceptionally wet from north to south; Martinique and Guadeloupe normal to moderately wet; Antigua and Anguilla slightly wet; St. Croix extremely wet; and St. Thomas moderately wet. Both Aruba and Curacao were moderately wet. Conditions in Puerto Rico ranged from slightly wet in the south to exceptionally wet in the northeast; but the Dominica Republic ranged from normal in the south to exceptionally wet in northern areas. Conditions in Jamaica ranged from very wet in the south to normal in the west and east. Grand Cayman was moderately dry. Cuba was predominantly normal, apart from east central areas that were slightly dry and western areas that were slight to moderately wet. Conditions in Belize ranged from exceptionally wet in the south to moderately dry in the north.

May 2016 to April 2017

Mixed conditions were experienced in the islands of the eastern Caribbean over the twelve months. Trinidad was predominantly normal, but with slight to moderately dry areas in the northwest; Tobago slight to moderately dry; Grenada, Dominica, Guadeloupe, Antigua, St. Kitts and Anguilla normal; Barbados slight to moderately wet; St. Vincent moderate to very wet; St. Lucia normal in the north to exceptionally wet in the south; Martinique slightly dry in the northwest to moderately wet in the south east; St. Maarten moderately dry; St. Croix moderately wet; and St. Thomas slightly wet. Most of the Guianas ranged from normal to exceptionally wet, with an area of coastal Guyana ranging to extremely dry. Aruba was slightly wet while Curacao was normal. Conditions in Puerto Rico ranged from normal in the west to very wet in the northeast; but the Dominican Republic ranged from normal in the southwest to exceptionally wet in the north. Conditions in Jamaica ranged from very wet in the north to normal in the south, east and west. Grand Cayman was exceptionally dry. Apart from wet areas in the extreme west and east, Cuba was predominantly normal. Conditions in Belize ranged from normal in the west to exceptionally dry to the north and south.

May 2015 to April 2017

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

The maps produced used SPI values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. Only land station data is used for the eastern Caribbean, described here as from Georgetown, Guyana in the south to Anguilla in the north. The Greater (and Western) Antilles is less represented by land stations. However efforts are being made to include more land stations from that part of the region. Note that the severity implied by the index is relative to what is normal for that period of consideration. Normal in the drier season reflects less rainfall than in the wetter season.