SPI Monitor March 2016

March 2016

Rainfall was mixed in the eastern Caribbean islands for the month. Trinidad was moderately dry; Tobago, Barbados, St. Vincent, Antigua and St. Kitts normal; Grenada slightly dry; St. Lucia, Anguilla and St. Maarten slightly wet; Dominica very wet; and St. Croix moderately wet. Conditions in Guyana ranged from normal in the north to severely dry in southern areas. Aruba and Curacao were normal, and Puerto Rico was predominantly so. Conditions in the Dominican Republic ranged from very wet in the west to moderately dry in the east; while in Jamaica they ranged from moderately dry in the west to normal in the east. Grand Cayman was normal. In Cuba, conditions ranged from slightly dry in central areas to exceptional wet in some part of the west. In Belize, the conditions ranged from moderately dry in the south to normal in the north.

January to March 2016

spi_3.03-2016For the three month period, normal to below normal rainfall was experienced in the eastern Caribbean and Guyana. Trinidad was severe to extremely dry; Tobago, St. Lucia, St. Kitts, Anguilla and St. Maarten normal; Grenada extremely dry; Barbados and St. Croix slightly dry; St. Vincent and Antigua moderately dry; Dominica moderately wet; and Guyana from normal in the north to extremely dry further south. Aruba and Curacao were severely dry. Though some southern parts of Puerto Rico were slightly wet, rainfall on the island was predominantly normal. Conditions in the Dominican Republic ranged from very wet in western areas to normal in the south, east and north. Jamaica and Grand Cayman were normal. Western Cuba ranged from slight to exceptionally wet, while the east was from normal to very wet. Conditions in Belize ranged from extremely dry in the south to normal in the north.

October 2015 to March 2016

spi_6.03-2016Apart from Grenada and St. Kitts that were slightly wet, rainfall in the eastern Caribbean and Guyana was normal to below normal for the six month period. Trinidad was slight to moderately dry; Tobago, Anguilla, St. Maarten and St. Croix normal; Barbados St. Vincent, St. Lucia, Dominica and Antigua moderately dry; and Guyana normal in the north to extremely dry in the south. Aruba was exceptionally dry, while Curacao was moderately dry. Puerto Rico was predominantly normal, but the Dominican Republic ranged from very wet in the west to severely dry in the east. Apart from northwestern areas that were slightly wet, Jamaica was predominantly normal, and Grand Cayman was normal. Conditions in Cuba ranged from extremely wet in some western and north-central areas, to moderately dry in the south east. Conditions in Belize ranged from moderately dry in the south to very wet in the northwest.

April 2015 to March 2016

spi_12.03-2016For the twelve month period, the islands of the eastern Caribbean were normal to below normal. Trinidad was severe to extremely dry; Tobago normal; Grenada and St. Kitts slightly dry; Barbados, Dominica and St. Croix extremely dry; St. Vincent and St. Lucia severely dry; Antigua and St. Maarten exceptionally dry; and Anguilla moderately dry. Conditions in Guyana range from moderately dry in the north to normal further south. Aruba was exceptionally dry and Curacao extremely dry. Conditions in Puerto Rico ranged from extremely dry in the west to moderately dry in the east, while they ranged from exceptionally dry in the south to slightly dry in the northwest in the Dominican Republic. Conditions in Jamaica ranged from slight to severely dry, while Grand Cayman was moderately dry. Conditions in Cuba ranged from moderately wet in some western and central areas to exceptionally dry in the southeast. The southern half of Belize ranged exceptionally dry to normal, while the northern half was normal.

 

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 February 2016

February 2016

Normal to below normal rainfall was experienced across the eastern Caribbean and Guyana in February. Trinidad was slight to moderately dry, Tobago slightly dry, Grenada, St. Vincent, St. Lucia and Antigua extremely dry; Barbados moderately dry; Dominica, St. Kitts, Anguilla, St. Maarten and St. Croix normal; and Guyana normal in the west to moderately dry in the east. Aruba was severely dry, while Puerto Rico was normal in the west to moderately wet in the east. Conditions in the Dominican Republic conditions ranged from moderately wet in the west to normal in the east. Conditions in Jamaica ranged from exceptionally wet in the west to normal in the east, while Grand Cayman was moderately dry. Conditions in Cuba ranged from normal to very wet, while those in Belize range from slightly dry in the south to moderately wet in the north.

December 2015 to February 2016

SPI_3MFor the three month period, the eastern Caribbean and Guyana were normal to below normal. Trinidad, Tobago and Grenada were normal; Barbados, St. Vincent, Dominica, St. Kitts, St. Maarten and St Croix moderately dry; St. Lucia and Antigua exceptionally dry; Anguilla slightly dry; and Guyana normal to the west to moderately dry in the east. Aruba was severely dry while Puerto Rico was normal. The Dominican Republic was slightly wet in the west and normal in the east, while Jamaica was predominantly normal apart from in the extreme west that was slight to moderately wet. Grand Cayman was slightly wet. Conditions in Cuba ranged from extremely wet in western and central area to slightly wet in the east, while in Belize they ranged from severely dry in the south to normal in the north.

September 2015 to February 2016

SPI_6MNormal to below normal rainfall were experienced in the eastern Caribbean and Guyana over the six month period. Trinidad and Antigua were moderate to severely dry; Tobago and Grenada normal; Barbados, St. Vincent, St. Kitts and St. Croix moderately dry; St. Lucia severe to extremely dry; Dominica extremely dry; St. Maarten exceptionally dry; Anguilla slightly dry; and Guyana slightly wet in the north to severely dry in the east. Aruba was exceptionally dry, while Puerto Rico was moderately dry in the west and slightly dry in the east. Conditions in the Dominican Republic ranged from slightly dry in the west to severely dry in the east, while in Jamaica they ranged from slightly wet in western and central areas to moderately dry in the southeast. Grand Cayman was normal. Conditions in Cuba ranged from moderately wet in central areas to normal in the east and slightly wet in the west, while Belize was from moderately wet in the west to normal in the south and slightly wet in the east and north.

March 2015 to February 2016

SPI_12MFor the twelve month period, rainfall over the islands of the eastern Caribbean was normal to below normal. Trinidad was severe to extremely dry; Tobago normal; Grenada slightly dry; Barbados and St. Lucia extremely dry; St. Vincent and St. Kitts severely dry; Dominica, Antigua, St. Maarten and St. Croix exceptionally dry; and Anguilla moderately dry. Conditions in Guyana ranged from exceptionally wet in the north to normal further south. Aruba was extremely dry, while Puerto Rico was severely dry in the west and moderately dry in the east. Conditions were predominantly severely dry but with areas in the southwest and east that were extremely or exceptionally dry. At the same time, Jamaica was predominantly normal, but with slight to moderately dry areas in the east, while Grand Cayman was slightly dry. Similarly to Jamaica, Cuba and Belize were predominantly normal, but with north-central areas of Cuba being slightly wet, and with southern parts of Belize slightly dry.

 

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 January 2016

January 2016

Normal to below normal rainfall was experienced in the eastern Caribbean and northern Guyana in January. Trinidad, Grenada, St. Vincent, St. Lucia, Antigua, St. Kitts, Anguilla and St. Maarten were moderately dry; Tobago and Barbados normal; Dominica extremely dry; St. Croix exceptionally dry and northern Guyana slightly dry in the north to extremely dry in the southeast. Aruba was moderately dry and Curacao extremely dry. Puerto Rico ranged from slightly wet in the west to moderately dry in the east, but apart from the extreme east and west, the Dominican Republic was normal. Jamaica was slightly dry in the south and normal in the east, while Grand Cayman was normal. Conditions in Belize ranged from extremely dry in the south to slightly dry in the north.

November 2015 to January 2016

SPI_3.jan2016Apart from St. Kitts and Grenada that were moderately wet, the eastern Caribbean and northern Guyana were normal to below normal for the three month period. Trinidad, Tobago, Barbados and St. Croix were normal; St. Vincent, St. Lucia and Anguilla slightly dry, Dominica, Antigua and St. Maarten moderately dry; and northern Guyana normal in the west to moderately dry in the east. Aruba was extremely dry, but Curacao moderately dry. Puerto Rico’s rainfall was normal, while that of the Dominican Republic ranged from moderately dry in the south and east to extremely wet in the north. Jamaica was slightly dry, but Grand Cayman moderately wet. Conditions in Belize ranged from extremely wet in the west to slightly wet in the north.

August 2015 to January 2016

SPI_6.jan2016For the six month period, the eastern Caribbean and Guyana experience normal to below normal rainfall. Trinidad, Barbados and Antigua were moderate to severely dry; Tobago, Grenada and St. Kitts normal; St. Vincent severely dry; St. Lucia and Dominica extremely dry; Anguilla slightly dry; St. Croix moderately dry; St. Maarten exceptionally dry; and northern Guyana normal to the north and west to moderately dry in the east. Aruba was exceptionally dry and Aruba severely dry. Puerto Rico was slight to moderately dry, while the Dominica Republic ranged from moderately dry in the south to normal in the north. Jamaica was slightly dry in the west and moderately dry in the east, and Grand Cayman slightly dry. Belize was normal.

February 2015 to January 2016

SPI_12.jan2016Normal to below normal conditions were experienced for the twelve month period over the islands of the eastern Caribbean. Trinidad was severe to extremely dry; Tobago normal; Barbados severely dry; St. Vincent, St. Kitts and Anguilla moderately dry; St Lucia extremely dry; Dominica, Antigua, St. Croix and St. Maarten exceptionally dry. Rainfall for northern Guyana ranged from normal to moderately wet north to south. Aruba was exceptionally dry, but Curacao severely dry. Puerto Rico was moderately dry in the west and severely dry in the east, while the Dominican Republic ranged from exceptionally dry in the south to slightly dry in the north. Jamaica was moderately dry in the extreme west and severely dry elsewhere, while Grand Cayman was slightly dry. Belize was normal in the south and slightly dry in the north.

 

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 December 2015

December 2015

With the exceptions of Trinidad that was moderately wet and Grenada slightly wet, the rainfall in islands of the eastern Caribbean was predominantly normal to below normal. Tobago, St. Vincent, Barbados, St. Kitts and St. Croix were normal; St. Lucia and Anguilla moderately dry; Dominica and St. Maarten slightly dry; and Antigua severely dry. Northern Guyana was normal, apart from the extreme east that was slightly dry. Aruba was extremely dry, but Puerto Rico was normal. Conditions in the Dominican Republic ranged from moderately wet in the south to normal in the north and east, but Jamaica was normal. Grand Cayman was moderately wet. Conditions in Cuba ranged from normal to exceptionally wet, while in Belize they ranged from moderately dry in the west to moderately wet in the north.

October to December 2015

spi3.12-2015For the three-month period, apart from Grenada that was moderately wet and St. Kitts that was slightly wet, the eastern Caribbean, including northern Guyana, was normal to below normal. Trinidad, Tobago, Anguilla and St. Croix were normal; Barbados, St. Vincent, St. Lucia, and Antigua slightly dry; St. Maarten moderately dry; and northern Guyana normal apart from the east that was slight to moderately dry. Aruba was extremely dry, but Puerto Rico normal. Though the majority of the Dominican Republic was normal, the extreme east was slight to severely dry, the extreme south slightly dry and the extreme north slightly wet. Jamaica was normal, while Grand Cayman was slightly wet. Conditions in Cuba ranged from normal in the west and east to extremely wet in east central area, while those in Belize ranged from exceptionally wet in the west to normal in the north.

July to December 2015

spi6.12-2015Normal to below normal conditions were experienced in the islands of the eastern Caribbean for the six month period. Trinidad, St. Vincent, St. Croix and Anguilla were moderately dry; Tobago, Grenada and St. Kitts normal; Barbados extremely dry; St. Lucia and Antigua severely dry; Dominica extreme to exceptionally dry; and St. Maarten exceptionally dry. Conditions in northern Guyana ranged from moderately wet in the west to normal in the east. Aruba was extremely dry, while Puerto Rico was slight to moderately dry. Conditions in the Dominican Republic ranged from severely dry in the south to normal in the northwest, while those in Jamaica were normal to moderately dry from west to east. Grand Cayman was moderately dry. Conditions in western Cuba ranged from moderately dry to normal and the east from normal to moderately wet. Belize was predominantly normal apart from the extreme north that was slight to moderately dry.

January to December 2015

spi12.12-2015Normal to below normal rainfall totals was the experience in the islands of the eastern Caribbean in 2015. Trinidad was moderate to severely dry; Tobago and Grenada normal; Barbados, St. Lucia and St. Croix extremely dry; St. Vincent, St. Kitts and Anguilla moderately dry; Dominica, Antigua and St. Maarten exceptionally dry. Conditions in northern Guyana ranged from moderately wet in the west to normal in the east. Aruba was exceptionally dry, while Puerto Rico was normal to moderately dry. Conditions in the Dominican Republic ranged from exceptionally dry in the south to slightly dry in the northeast, while Jamaica was slightly dry in the west and moderately dry in the east. Grand Cayman was slightly dry while Cuba was predominantly normal apart from the west that was slight to moderately dry. Belize was also predominantly normal apart from the extreme north that was slightly dry and the extreme south that was slight to moderately dry.

 

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 2015

SPI Discussion November 2015

November 2015

Apart from Trinidad that was slightly dry, normal to above normal rainfall was experienced in the islands of the eastern Caribbean for November. Tobago, Barbados, St. Vincent, Dominica, Antigua, St. Kitts, Anguilla, and St Maarten were normal; Grenada moderately wet; and St. Lucia and St. Croix slightly wet. Conditions in northern Guyana ranged from exceptionally wet in the west to normal in the east. Aruba was slightly dry while Curacao rainfall was normal. Puerto Rico ranged from severely dry in the west to moderately wet in the east, but the Dominican Republic ranged from exceptionally dry in the south and east to exceptionally wet in the north. Jamaica was slightly dry in the west and moderately dry in the east, while Grand Cayman was moderately wet. Cuba experienced moderately wet conditions in central areas to normal conditions in the east and west. Conditions in Belize ranged from exceptionally wet in the south to moderately wet in the north.

September to November 2015

spi3.nov2015Apart from Grenada that was slightly wet, normal to below normal conditions were experienced for the three month period. Trinidad was exceptional to moderately dry, Tobago, Barbados and St. Croix normal; Dominica moderate to severely dry; Antigua, St. Kitts and St. Croix slightly dry. Northern Guyana ranged from moderately wet in the north to slightly dry in the east. Aruba was extremely dry and Curacao slightly dry. Puerto Rico was slight to moderately dry, while the Dominican Republic ranged from exceptionally dry in the south to normal in the north. Jamaica was normal in the west and normal to moderately dry in the east, while Grand Cayman was normal. Conditions in Cuba ranged from severely dry in the west to moderately wet in eastern areas, while for Belize they ranged from exceptionally wet in the west to normal in the north.

June to November 2015

spi6.nov2015For the six-month period, normal to below normal rainfall was experienced in the islands of the eastern Caribbean. Trinidad was extreme to severely dry; Tobago and Grenada normal; Barbados extremely dry; St. Vincent, St. Lucia and Antigua severely dry; Dominica and St. Maarten exceptionally dry; and St. Kitts, Anguilla and St. Croix moderately dry. Northern Guyana ranged from exceptionally wet in the north to slightly wet in the east. Aruba was extremely dry while Curacao was slightly dry. Puerto Rico was moderate to severely dry, while the Dominican Republic ranged from extremely dry in the south to normal in the north. Jamaica was predominantly moderately dry and Grand Cayman slightly dry. Conditions in western Cuba ranged from normal to severely dry, but normal to slightly wet in the east. Conditions in Belize ranged from moderately wet in the west to normal in the east.

December 2014 to November 2015

spi12.nov2015Normal to below normal conditions dominated the Caribbean over the twelve-month period. Trinidad was severe to extremely dry, Tobago and Grenada were normal; Barbados, St. Lucia, and Antigua extremely dry; St. Vincent and St. Kitts severely dry; Dominica and St. Maarten exceptionally dry; and St. Anguilla and St. Croix moderately dry. Northern Guyana was dominated by exceptionally wet conditions. Aruba was severely dry and Curacao moderately dry. Puerto Rico was slight to moderately dry, while conditions in the Dominican Republic ranged from exceptionally dry in the south to normal in the east. Conditions in Jamaica range from normal to moderately dry from west to east, while almost a mirror image was the experience in Cuba with these conditions from east to west. Grand Cayman was moderately dry, while Belize’s rainfall was normal.

 

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.

Decile Monitor October 2015

****Important Notice****

Routine discussions on deciles will recommence in late 2015 but the maps will continue to be updated.

October 2015

Decile October 2015

August to October 2015

Deciles August to October 2015

May to October 2015

Deciles May to October 2015

November 2014 to October 2015

Deciles November to October 2015

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 Decile values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. 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 2015

SPI Discussion October 2015

October 2015

Apart from Tobago that was moderately wet, rainfall in islands of the eastern Caribbean was normal to below normal. Trinidad and St. Lucia were moderate to slightly dry; Grenada, St. Vincent, Antigua, St. Kitts, Anguilla and St. Croix normal; Barbados and St. Maarten moderately dry; Dominica exceptionally dry. Guyana was moderately wet in the northern extreme and below normal in the east with the remainder being normal. Aruba was severely dry while conditions in Puerto Rico ranged from slightly wet in the southwest to moderately dry in the east. Conditions in the Dominican Republic ranged from normal in the south to moderately dry in the north, but Jamaica ranged from moderately wet in the west to normal in the east. Grand Cayman was normal. Conditions in Cuba ranged from moderately dry in the west to moderately wet in the east, while Belize was normal.

August to October 2015

spi.3.2015-10For the three-month period, the islands of the eastern Caribbean were normal to below normal. Trinidad was severe to moderately dry; Tobago normal; Grenada, St. Vincent and St. Croix moderately dry; Barbados, St. Lucia and Dominica severely dry; Antigua, St. Kitts and Anguilla slightly dry; and St. Maarten exceptionally dry. Conditions in Guyana ranged from moderately wet in the north to moderately dry in the east. Aruba was exceptionally dry, while Puerto Rico ranged from severely dry in the south to slightly dry in the north. Normal to extremely dry conditions were experienced in the Dominican Republic, but Jamaica was predominantly normal with the eastern being normal to moderately dry. Grand Cayman was exceptionally dry. Conditions in Cuba ranged from moderately dry in the west to normal in the east, while for Belize it was exceptionally dry in the west to moderately dry in the east.

May to October 2015

spi.6.2015-10Apart from Tobago where the rainfall over the six-month period was normal, the islands of the eastern Caribbean experienced below normal rainfall. Trinidad was extreme to severely dry; Grenada and Anguilla moderately dry; Barbados, Dominica, St. Croix and St. Maarten exceptionally dry; St. Vincent, St. Lucia and Antigua extremely dry; and St. Kitts severely dry. Conditions in Guyana ranged from exceptionally wet in the north and west to very wet in the east. Aruba was extremely dry and Puerto Rico extremely dry in the south to moderately dry in the north. The Dominican Republic was predominantly extremely dry but ranged to moderately dry, but Jamaica was severely dry in the south and moderately dry in the north. Grand Cayman was extremely dry. In Cuba conditions in the east were normal, while in the west they were extreme to slightly dry. In Belize conditions ranged from exceptionally dry in the west to moderately dry in the east.

November 2014 to October 2015

spi.12.2015-10(1)Apart from Tobago where rainfall for the twelve-month period was normal, the islands of the eastern Caribbean experienced below normal rainfall. Trinidad was extreme to moderately dry; Grenada, St. Vincent, Barbados, and St. Croix moderately dry; St. Lucia and Antigua severely dry; Anguilla slightly dry; and St. Maarten extremely dry. Conditions in Guyana ranged from exceptionally wet in the north to slightly wet in the east. Aruba was severely dry, while Puerto Rico was moderate to slightly dry. Conditions in the Dominican Republic ranged from exceptionally dry in the northwest to normal in the east, while in Jamaica they were from normal in the west to severely dry in the east. Grand Cayman was extremely dry. Eastern Cuba was normal, while the west was severe to slightly dry. Belize ranged from extremely dry in the west to normal in the east.

 

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 2015

SPI Discussion September 2015

September 2015

Normal to below normal rainfall was experienced over the eastern Caribbean and Guyana for the month. Trinidad and St. Maarten were exceptionally dry; Tobago, Barbados, St. Vincent and St. Lucia normal; Grenada and St. Kitts moderately dry; Dominica and St. Croix severely dry; Antigua slightly dry; Anguilla extremely dry; and Guyana ranging from moderately dry in the west to normal in the north and east. Aruba was severely dry, while Puerto Rico was predominantly normal. Most of the Dominican Republic was dominated by extreme to exceptionally dry conditions, apart from the east where areas received normal rainfall. Central Jamaica was normal while the western areas were slight to moderately dry and the eastern slight to extremely dry. Grand Cayman was extremely dry, but conditions in Cuba ranged from extremely dry in the west to normal in the east. Rainfall in Belize ranged from moderately dry in the west to normal in the east, south and north.

July to September 2015

SPI July to September 2015Normal to below normal conditions dominated the islands of the eastern Caribbean for the three month period. Trinidad was extreme to moderately dry from west to east; Tobago normal; Grenada and St. Croix severely dry; Barbados and St. Maarten exceptionally dry; St. Vincent, St. Lucia and St. Kitts moderately dry; Dominica moderate to severely dry; and Antigua and Anguilla extremely dry. Conditions in Guyana ranged from exceptionally wet in the north to moderately wet in the south and east. Aruba was moderately dry, but Puerto Rico ranged from normal in the northwest to moderately dry in the east. Conditions in the Dominica Republic ranged from exceptionally dry in central areas to normal in the east and northwest and moderately dry in the southwest. Central areas of Jamaica were normal, and ranged to exceptionally dry in the east and south and extremely dry in the west. Grand Cayman was exceptionally dry, but the eastern portion of Cuba was normal while the western was exceptionally to slightly dry from west to east. Conditions in Belize ranged from moderately dry in the south to exceptionally dry in the north.

April to September 2015

SPI April to September 2015For the six month period, normal to below normal conditions were predominant in the islands of the eastern Caribbean. Trinidad was extreme to severely dry; Tobago normal; Grenada severe to extremely dry; Barbados, Antigua, Anguilla, St. Maarten and St. Croix exceptionally dry; St. Lucia, St. Vincent and St. Kitts severely dry; and Dominica extremely dry. Conditions in Guyana ranged from exceptionally wet in the north to very wet in the east. Aruba was severely dry, while Puerto Rico was moderately dry in the west and severely dry in the east. Conditions in the Dominican Republic ranged from exceptionally dry in the west to slightly dry in the east; while those in Jamaica ranged from normal in central areas to extremely dry to the east and west. Grand Cayman was extremely dry, while normal to moderately dry conditions were experienced in Cuba. Conditions in Belize ranged from slightly dry in the south to exceptionally dry in the northwest.

October 2014 to September 2015

SPI October 2014 to September2015For the twelve month period, normal to below normal conditions dominated the islands of the eastern Caribbean. Trinidad was predominantly moderately dry; Tobago and Anguilla normal; Grenada and Barbados slightly dry; St. Vincent, St. Kitts and St. Maarten moderately dry; St. Lucia and St. Croix severely dry; and Dominica extremely dry. Conditions in Guyana ranged from exceptionally wet in the north to slightly wet in the east. Aruba was slightly dry, but Puerto Rico normal to slightly dry. The Dominican Republic ranged from severely dry in the southwest to normal in the east. Central parts of Jamaica were normal, but the extreme west was slightly dry, and the east slight to extremely dry. Grand Cayman was extremely dry, while normal to moderately dry conditions were experienced in Cuba. Conditions in Belize ranged from severely dry in the west to normal in the south, east and north.

 

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.

Decile Monitor June 2015

****Important Notice****

Routine discussions on deciles will recommence in late 2015 but the maps will continue to be updated.

June 2015

Deciles June2015

April to June 2015

Deciles April to June2015

January to June 2015

Deciles January to June 2015

July 2014 to June 2015

Deciles July 2014 to June 2015

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 Decile values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. 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.

Decile Monitor May 2015

****Important Notice****

Routine discussions on deciles will recommence in late 2015 but the maps will continue to be updated.

May 2015

Deciles May 2015

March to May 2015

Deciles March to May 2015

December 2014 to May 2015

Deciles December 2014 to May 2015

June 2014 to May 2015

Deciles June 2014 to May 2015

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 Decile values calculated from monthly rainfall totals from land stations and NCEP/NCAR reanalysis data. 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.