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.

Decile Monitor January 2015

****Important Notice****

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

January 2015

Deciles January 2015

November 2014 to January 2015

Deciles November 2014 to January 2015

August 2014 to January 2015

Deciles August 2014 to January 2015

February 2014 to January 2015

Deciles February 2014 to January 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 August 2015

SPI Discussion August 2015

August 2015

Mixed conditions were experienced in the eastern Caribbean and Guyana for August. Trinidad, St. Kitts, Anguilla and St. Croix were normal; Tobago slightly dry; Grenada and Barbados severely dry; St. Vincent, Antigua and St. Maarten moderately dry; St. Lucia extremely dry; Dominica moderately wet; and Guyana ranging from extremely wet in the north to moderately dry in the east. Aruba was extremely dry, but Puerto Rico normal. The Dominican Republic was predominantly normal except for the extreme north that was slightly dry and the extreme west and east that were slightly wet. Conditions in Jamaica ranged from very wet in central areas to exceptionally dry in the east and extremely dry in the west. Western Cuba was normal to severely dry and eastern Cuba normal to very wet. Grand Cayman was exceptionally dry, but Belize was extremely dry in the south and exceptionally dry in the north.

June to August 2015

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

March to August 2015

SPI March to August 2015The islands of the eastern Caribbean experienced normal to below normal rainfall for the six month period. Trinidad, St. Vincent and St. Lucia moderately dry; Tobago normal; Grenada and St. Kitts severely dry; Barbados and Anguilla extremely dry; Dominica moderate to severely dry; and Antigua, St. Maarten, and St. Croix exceptionally dry. Conditions in Guyana ranged from exceptionally wet in the north and west to very wet in the east. Aruba was slightly dry, while Puerto Rico was normal to severely dry from west to east. The Dominican Republic was severe to extremely dry, while central areas of Jamaica was normal drying to severely dry to the east and west. Grand Cayman was moderately dry and Cuba normal to slightly dry. Conditions in Belize ranged from severely dry in the northwest to slightly dry in the southeast.

September 2014 to August 2015

SPI September 2014 to August 2015Rainfall in the islands of the eastern Caribbean was normal to below normal for the twelve month period. Trinidad was slight to moderately dry; Tobago, Grenada and Anguilla normal; Barbados, St. Vincent, Antigua, St. Kitts, St. Maarten and St. Croix moderately dry; St. Lucia severely dry; and Dominica extremely dry. Aruba was slightly dry, but Puerto Rico normal. Conditions in the Dominican Republic ranged from severely dry in the extreme south to slightly dry in the north, while Jamaica was predominantly normal but with eastern areas slight to extremely dry. Grand Cayman was severely dry, but Cuba was normal to moderately dry in the west and normal to slightly dry in the east. Apart from western extremes that were slight to moderately dry, Belize 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 July 2015

SPI Discussion July 2015 2015

July 2015

Normal to below normal rainfall was experienced for the month in the islands of the eastern Caribbean. Trinidad, Grenada, St. Vincent and St. Lucia were normal; Tobago, Barbados and Anguilla severely dry; Dominica, Antigua, St. Maarten and St. Croix exceptionally dry; and St. Kitts moderately dry. Guyana was exceptionally wet. Aruba was normal, but conditions in Puerto Rico ranged from moderate to exceptionally dry. Conditions in the Dominican Republic ranged from normal in the north to exceptionally dry in the south and east, while those in Jamaica ranged from slightly wet in north-central areas to slightly dry to the east and moderately dry to the west. Grand Cayman was extremely dry. Central Cuba was moderately dry, and varying to normal to the east and west, apart from east central areas that were severely dry. In Belize conditions ranged from slightly dry in the south to exceptionally dry to the north.

May to July 2015

SPI May to July 2015For the three month period, the islands of the eastern Caribbean experienced normal to below normal rainfall. Trinidad was normal to slightly dry; Tobago, St. Vincent and Anguilla moderately dry; Barbados, Dominica, Antigua, St. Maarten and St. Croix exceptionally dry; and St. Kitts severely dry. Guyana was exceptionally wet. Aruba was slightly dry, but Puerto Rico severe to extremely dry. Conditions in the Dominican Republic ranged from normal in the north to exceptionally dry in the south, while in Jamaica, central areas were normal varying to extremely dry to the east and west. Grand Cayman was normal. Rainfall in most of Cuba was normal to slightly dry, apart from the extreme south that was moderately dry. Belize was normal in the south and slightly dry in the north.

February to July 2015

SPI February to July 2015Normal to below normal conditions were experienced over the six month period in the islands of the eastern Caribbean. Trinidad and Grenada were slight to moderately dry; Tobago, St. Lucia and Barbados moderately dry; St. Vincent normal; Dominica, Antigua, St. Maarten and St. Croix exceptionally dry; and St. Kitts and Anguilla extremely dry. Guyana was exceptionally wet in the west and extremely wet in the east. Aruba was slightly dry, but Puerto Rico ranged from moderately dry in the west to extremely dry in the east. Conditions in the Dominican Republic ranged from exceptionally dry in the southwest to normal in the east, but Jamaica was normal in central areas becoming moderately dry in the east and west. Grand Cayman was slightly dry, while Cuba was predominantly normal to slightly dry apart from the extreme south that was moderately dry. Conditions in Belize ranged from normal in the south to moderately dry in the north.

August 2014 to July 2015

SPI August 2014 to July 2015Normal to below normal rainfall was experienced over the twelve month period. Trinidad, Tobago, Grenada and Anguilla were normal; Barbados normal to slightly dry; St. Vincent and St. Croix slightly dry; St. Lucia, Antigua, St. Kitts and St. Maarten moderately dry; and Dominica exceptionally dry. Conditions in Guyana ranged from extremely wet in the west to slightly wet in the east. Aruba was slightly dry, but Puerto Rico conditions ranged from severely dry to normal. The Dominican Republic ranged from extremely dry in the south to normal in the north, while the western half of Jamaica was normal, the eastern half ranged from normal to extremely dry. Grand Cayman was moderately dry. Cuba experienced normal to moderately dry conditions, Belize was predominantly normal with slightly wet conditions in the northeast and slightly dry in the west.

 

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 2015

SPI Discussion June 2015

June 2015

Apart from Trinidad that was moderate to very wet, the islands of the eastern Caribbean were normal to below normal (and particularly below normal). Tobago, Grenada and Anguilla were slightly dry; Barbados, St. Vincent, St. Lucia, Antigua, St. Maarten and St. Croix were moderately dry; St. Kitts normal; and Dominica extremely dry. Conditions in Guyana ranged from extremely wet in the west to slightly wet in the east. Both Aruba was normal, but Puerto Rico slightly dry. The Dominican Republic ranged from extremely dry in the south to moderately wet in the north. Conditions in Jamaica ranged from slight to extremely dry. Grand Cayman was moderately wet, but Cuba was predominantly normal, though to the extreme east slight to severely dry conditions existed. In Belize conditions were moderately wet in central areas becoming progressively drier to the north and south to normal.

April to June 2015

spi.3.carib.06-2015For the three month period, normal to below normal (and particularly below normal) conditions were experienced in the eastern Caribbean islands. Trinidad was normal; Tobago, St. Kitts and Anguilla moderately dry; Grenada, St. Vincent and St. Lucia slightly dry; Barbados severely dry; Dominica exceptionally dry; and Antigua, St. Maarten and St. Croix extremely dry. Conditions in Guyana ranged from exceptionally wet in the west to moderately wet in the east. Aruba was severely dry and Puerto Rico moderate to severely dry. As one moves outward from the normal east central areas of the Dominican Republic, conditions became relatively drier to become exceptionally dry in the southwest. Western and eastern portions of Jamaica were dry, up to being extremely so, but Grand Cayman was normal to slightly dry. Cuba was dominated by normal rainfall, but some areas were not, particularly central areas that were slight to moderately dry, eastern areas that were slight to moderately wet and the extreme east that was slight to severely dry. Conditions in the majority of Belize were normal, however the extreme south was slightly wet, and the north slight to extremely wet.

January to June 2015

spi.6.carib.06-2015The islands of the eastern Caribbean were normal to below normal for the six month period. Trinidad, Grenada and St. Vincent were normal; Tobago and Barbados slightly dry; St. Lucia slight to moderately dry; Dominica, Antigua, St. Maarten and St. Croix exceptionally dry; S. Kitts moderately dry; and Anguilla severely dry. Conditions in Guyana ranged from extremely dry in the west to slightly wet in the east. Aruba was moderately dry, while Puerto Rico was normal to moderately dry. Conditions in the Dominican Republic ranged from extremely dry in the west to normal in central and eastern areas. Central areas of Jamaica were normal, while western and eastern areas were slight to moderately dry. Grand Cayman was normal, like most of Cuba apart from areas in the south and south east that were slightly dry. Belize was predominantly normal apart from southern areas that were slight to moderately wet.

July 2014 to June 2015

spi.12.carib.06-2015Apart from Trinidad that was slightly wet, normal to below normal conditions were experienced in the islands of the eastern Caribbean. Tobago, Grenada, Barbados, and Anguilla normal; St. Vincent, St. Maarten and St. Croix slightly dry; St. Lucia, Antigua and St. Kitts moderately dry; and Dominica exceptionally dry. Conditions in Guyana ranged from extremely wet in the northwest to normal in the east. Aruba was slightly dry, while Puerto Rico was normal. Conditions in the Dominican Republic ranged from severely dry in the southwest to normal in the northeast, but ranged from normal in west and central areas to severely dry in the east. Grand Cayman was slightly dry, while conditions in Cuba were normal in the west, slightly dry in the east and slight to moderately dry in central areas. Conditions in Belize were predominantly normal apart from the extreme west that was slight to moderately dry and the north that was slight to moderately wet.

 

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 May 2015

SPI Monitor May 2015

SPI Discussion May 2015

May 2015

Normal to below normal conditions persisted in the islands of the eastern Caribbean. Trinidad was normal to slightly dry; Tobago, Barbados, St. Vincent severely dry; St. Lucia, Dominica and St. Kitts extremely dry; Antigua and St. Maarten moderately dry; Anguilla normal and St. Croix slightly dry. Guyana was exceptionally wet in the west and extremely wet in the east. Aruba was severely dry, while Puerto Rico was predominantly moderately dry. Conditions in the Dominican Republic ranged from extremely dry in the west to normal in the east. Central portions of Jamaica were normal while the extreme west and east were slightly to severely dry. Grand Cayman was slightly dry. Though rainfall in Cuba was predominantly normal, western and southern areas were below normal. Conditions in Belize ranged from exceptionally dry in the south to normal in the north.

March to May 2015

SPI March to May 2015For the three month period, normal to below normal rainfall was experienced in the eastern Caribbean islands. Trinidad was slightly dry; Tobago, St. Kitts and Anguilla moderately dry; Grenada, Barbados, St. Vincent and St. Lucia normal; Dominica exceptionally dry; Antigua severely; St. Maarten extremely dry; and St. Croix severely dry. Guyana ranged from extremely wet in the west to slightly wet in the east. Aruba was normal, but Puerto Rico was moderately dry. The western half of the Dominican Republic were exceptionally dry to normal, while the eastern half was normal to severely dry. Apart from western and eastern extremes that were slight dry, Jamaica was normal, but Grand Cayman slightly dry. Western Cuba was slightly to severely dry, while the east was normal.

December 2014 to May 2015

SPI December 2014 to May 2015The islands of the eastern Caribbean experienced normal to below normal rainfall for the six month period. Trinidad, Tobago, Grenada, St. Vincent and St. Kitts were normal; Barbados, St. Lucia and Anguilla moderately dry; Dominica and St. Maarten exceptionally dry; Antigua severely dry; and St. Croix slightly dry. Conditions in Guyana ranged from very wet in the northwest normal in the east. Aruba and Puerto Rico were both normal. Conditions in the Dominica Republic ranged from exceptionally dry in the west to moderately wet in the east. Cuba was slightly dry in the west and normal in the east, while Grand Cayman was slightly dry. Belize ranged from exceptionally dry in the south to slightly wet in the north.

June 2014 to May 2015

SPI June 2014 to May 2015Rainfall was normal to below normal in the islands of the eastern Caribbean for the twelve month period. Trinidad was moderate to severely dry; Tobago, Grenada, Barbados and Anguilla normal; St. Vincent, St. Croix and St Maarten slightly dry; St. Lucia, Antigua and St. Kitts moderate dry. Conditions in Guyana ranged from extremely wet in the north to normal in the east. Aruba was slightly dry but Puerto Rico was normal. Normal to moderately dry conditions were experienced in the Dominica Republic, but the western half of Jamaica was normal, while the eastern half was normal to severely dry. Grand Cayman was moderately dry, but Cuba was slightly to severely dry. Conditions in Belize ranged from extremely dry in the south to normal 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 April 2015

SPI Discussion April 2015

April 2015

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

February to April 2015

SPI February to April 2015For the three month period, conditions were mixed over the eastern Caribbean and Guyana. Trinidad and St. Kitts were slightly dry; Tobago and Grenada normal; Barbados slightly wet; St. Vincent moderately wet; St. Lucia normal to slightly wet; Dominica and Antigua severe to extremely dry; Anguilla extremely dry; St. Maarten exceptionally dry; St. Croix moderately dry; and Guyana slightly wet in the north to normal further south. Aruba was normal and Puerto Rico normal to slightly dry. Conditions in the Dominican Republic ranged from slightly dry in the west to moderately wet in the east. Jamaica was slightly wet in the west and normal in the east, while Grand Cayman was normal. Conditions in Belize ranged from moderately dry in the south to normal in the north.

November 2014 to April 2015

SPI November to April 2015Apart from the central portions of the eastern chain that saw Dominica experiencing extremely dry conditions, the eastern Caribbean and Guyana experienced normal to above normal rainfall for the six month period. Trinidad, Barbados, St. Vincent and St. Croix were slightly wet; Tobago moderately wet; Grenada, St. Lucia, Antigua, St. Kitts, Anguilla and St. Maarten normal; and Guyana from moderately wet in the north to normal in the south. Aruba was normal while Puerto Rico was slightly wet. Apart from eastern portions of the county that were slightly wet, the Dominican Republic was normal. Conditions in Jamaica ranged from slightly wet in the west to slightly dry in the east, but Grand Cayman was moderately dry. Conditions in Belize ranged from moderately dry in the south to moderately wet in the north.

May 2014 to April 2015

SPI May 2014 to April 2015Normal to below normal conditions dominated the islands of the eastern Caribbean for the twelve month period. Trinidad was moderate to severely dry; Tobago, Grenada, Barbados, St. Kitts, Anguilla, St. Maarten and St. Croix normal; St. Vincent slightly dry; St. Lucia and Antigua moderately dry; and Dominica exceptionally dry. Conditions in Guyana ranged from very wet in the north to moderately dry in the east. Aruba was slightly dry, but Puerto Rico slightly wet. The Dominican Republic was slight to moderately dry in the west and normal in the east. Conditions in Jamaica ranged from slightly wet in the west to extremely dry in the east, while Grand Cayman was moderately dry. Conditions in Belize ranged from moderately dry in the south to slightly wet 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 March 2015

SPI Discussion March 2015

March 2015

Mixed conditions existed in the eastern Caribbean and Guyana for the month. Trinidad, Tobago and St. Lucia were normal; Grenada and St. Vincent slightly wet; Barbados moderate to very wet; Dominica, Anguilla and St. Croix moderately dry; Antigua severely dry; St. Kitts slightly dry; St. Maarten extremely dry; and Guyana extremely wet in the north to normal in the east. Aruba was very wet but Puerto Rico normal. Conditions in the Dominican Republic ranged from normal in the west to moderately dry in the east, while in Jamaica they ranged from moderately wet in the west to extremely wet in the east. Grand Cayman was slightly wet. Rainfall totals in Cuba varied from the normal to below normal west to the normal to above normal east. Belize totals ranged from normal in the south to moderately wet in the north.

January to March 2015

SPI January to March 2015For the three month period in the eastern Caribbean and Guyana, there is a clear distinction between the normal to below normal north and the normal to above normal south. Trinidad, Tobago and St. Lucia were normal; Grenada and Barbados moderately wet; St. Vincent slightly wet; Dominica, St. Kitts and St. Croix moderately dry; Antigua and Anguilla severely dry; St. Maarten exceptionally dry; and Guyana moderately wet in the north to normal in the southeast. Aruba was normal. Puerto Rico ranged from very wet in the west to slightly wet in the east, but the Dominican Republic was from normal in the west to extremely wet in the east. Belize, Cuba and Grand Cayman were normal, and so too was Jamaica apart from the extreme south that was slightly wet.

October 2014 to March 2015

SPI October 2014 to March 2015Mixed conditions characterized the rainfall totals for the six month period in the eastern Caribbean and Guyana. Trinidad, St. Vincent, St. Kitts, St. Croix and St. Maarten were normal; Tobago very wet; Grenada slightly wet; Barbados and Anguilla moderately wet; St. Lucia moderately dry; Dominica extremely dry; and Guyana very wet in the north to normal in the south. Aruba and the Dominican Republic were normal, but Puerto Rico was slightly wet. Conditions in Jamaica ranged from slightly wet in the west to moderately dry in the east. Grand Cayman was slightly dry, but apart from the central parts of Cuba that had similar conditions Cuba was normal. Conditions in Belize ranged from normal for the southern half of the country to moderately wet in the north.

April 2014 to March 2015

SPI April 2014 to March 2015The islands of the eastern Caribbean were dominated by normal to below normal rainfall for the twelve month period. Trinidad was moderate to extremely dry; Tobago, Grenada, Barbados, St. Kitts, Anguilla, St. Maarten and St. Croix normal; St. Vincent, St. Lucia and Antigua moderately dry; and Dominica exceptionally dry. Rainfall in Guyana ranged from extremely wet in the north to moderately dry in the south. Aruba was slightly dry, while Puerto Rico was slight to moderately wet. Conditions in the Dominican Republic ranged from moderately dry in the south to normal in the north, but for Jamaica they were from slightly wet in the west to moderately dry in the east. Grand Cayman was moderately dry. Normal to severely dry conditions existed over Cuba, while over Belize these were from moderately dry in the south to slightly wet 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 February 2015

SPI Monitor February 2015

SPI Discussion February 2015

February 2015

Apart from Barbados that was moderately wet and St. Maarten that was moderately dry, normal to slightly dry conditions predominated in the eastern Caribbean and Guyana. Trinidad and Guyana were normal to slightly wet; Tobago, Dominica and Antigua slightly dry; Grenada, St. Vincent, St. Lucia, St. Kitts, Anguilla, St. Maarten and St. Croix normal. Aruba was moderately dry, but Puerto Rico slight to moderately wet. Conditions in Jamaica ranged from moderately wet in the west to normal in the east, while Grand Cayman was moderately dry. Apart from the eastern extremities of Cuba that were slightly wet, Cuba was normal. Conditions in Belize ranged from normal in the south to extremely dry in the north.

December 2014 to February 2015

SPI December 2014 to February 2015For the three month period, mixed conditions were experienced in the eastern Caribbean and Guyana. Trinidad, Tobago, St. Vincent and Antigua were normal; Barbados and St. Vincent slightly dry; St. Lucia and St. Maarten severely dry; Dominica, St. Kitts and Anguilla moderately dry; St. Croix slightly wet; and Guyana predominantly normal, but slightly wet in the northwest. Aruba was normal but Puerto Rico slightly wet. Conditions in Jamaica ranged from moderately wet in the west to slightly dry in the east, but Grand Cayman was normal. Cuba was predominantly normal, while Belize ranged from moderately dry in the south to moderately wet in the north.

September 2014 to February 2015

SPI September 2014 to February 2015Conditions were contrasting between the Windward Islands and the rest of the eastern island chain for the six month period. Trinidad and Anguilla were slightly wet; Tobago and Grenada moderately wet; Barbados, Antigua, St. Kitts, St. Maarten and St. Croix normal; St. Vincent and St. Lucia slightly dry; and Dominica extremely dry. Conditions in Guyana ranged from moderately wet in the north to normal southward. Aruba was normal but Puerto Rico moderately wet. Conditions in Jamaica ranged from slightly wet in the west to severely dry in the east, while Grand Cayman was moderately dry. Cuba was normal to slightly dry, while conditions in Belize ranged from normal to very wet.

March 2014 to January 2015

SPI March 2014 to February 2015Normal to below normal conditions dominated the islands of the eastern Caribbean. Trinidad, Tobago, Grenada, Barbados, Anguilla, St. Croix and St. Maarten were normal; St. Vincent and Antigua moderately dry; St. Lucia severely dry; Dominica exceptionally dry; and St. Kitts slightly dry. Conditions in Guyana ranged from extremely wet in the north to moderately dry in the east. Aruba was slightly dry, but Puerto Rico slightly wet. Conditions in Jamaica ranged from slightly wet in the west to severely dry in the east, while Grand Cayman was moderately dry. Central areas of Cuba were slight to severely dry, while the western and eastern areas were normal to slightly dry. Conditions in Belize ranged from moderately dry in the west and south to normal 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.