SPI Monitor May 2020

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May 2020

Rainfall in the eastern Caribbean was predominantly below normal during the month of May. Trinidad was normal in the south to severely dry in the northeast; Tobago, St Vincent, Antigua and St Croix moderately dry; Grenada slightly dry; Barbados slight to moderately dry; Saint Lucia, St Maarten and St Thomas extremely dry; Martinique moderately dry in the south to extremely dry in the north; Dominica and Guadeloupe severe to extremely dry and St Kitts severely dry. In the Guianas conditions ranged from moderately dry in north-eastern Suriname and southeast French Guiana to exceptionally wet in north-eastern French Guiana, and to extremely wet in southern Guyana. Curacao was slight to moderately dry and Aruba severely dry. Puerto Rico ranged from slightly dry in the west to extremely dry in the northeast. Hispaniola ranged from exceptionally dry in the extreme south to slightly wet in the north. Jamaica ranged from extremely dry in the extreme west to slightly wet in the northwest, to slightly dry in the northeast and to normal in the extreme east. Grand Cayman was normal. Cuba ranged from exceptionally wet in the west to normal in the east. Northern Bahamas ranged from very to exceptionally wet, and Belize from exceptionally wet in central areas to moderately wet in the south and normal in the west and northern areas.

March to May 2020

Over the three month period, normal to below normal rainfall prevailed throughout the eastern Caribbean. Trinidad ranged from slightly dry in the southeast to exceptionally dry in the northwest; Tobago slight to severely dry; Grenada slightly dry to normal; Barbados, St. Vincent and Dominica moderate to severely dry; St Kitts and St Maarten moderately dry; Saint Lucia exceptionally dry; Martinique exceptionally dry in the south to severely dry in the north; Guadeloupe normal in the west to severely dry in the east; Antigua and St Thomas slightly dry; St Croix normal. In the Guianas, conditions ranged from extremely dry in northern Guyana to, moderately dry in northeast central Suriname.  to exceptionally wet in northeast French Guiana. Aruba was extreme to exceptionally dry and Curacao normal. Puerto Rico ranged from moderately dry in the south to normal in the north. Hispaniola ranged from exceptionally dry in a small area of southern Dominican Republic to normal in the north and eastern areas. Jamaica ranged from extremely dry in the west, to slightly dry in the east and normal in the north. Grand Cayman was moderate to severely dry. Cuba ranged from moderately wet in the west to moderately dry in the east. Northern Bahamas ranged from moderate to exceptionally wet, and Belize from exceptionally wet in central areas to normal in the south and moderately dry in western and northern areas.

December 2019 to May 2020

Rainfall over the six month period was predominantly normal to below normal with a few areas which were above normal. Trinidad ranged from moderately dry in the west to normal in the extreme northeast; Tobago normal to slightly dry; Grenada, Antigua, St Maarten and St Thomas normal; Barbados severe to extremely dry;  St Vincent severely dry; Saint Lucia extremely dry; Martinique severely dry in the south to slightly dry in the north; Dominica very wet in the west to normal in the east; Guadeloupe slightly wet in the west to extremely dry in the east; St Kitts slightly wet to normal, and St Croix slightly dry. In the Guianas, conditions ranged from normal to extremely dry in northern Guyana, and to moderately wet in north-eastern French Guiana. Aruba was moderately dry and Curacao normal. Puerto Rico ranged from exceptionally dry in the extreme southwest to extremely wet in the northeast. Hispaniola ranged from moderately wet in the north to exceptionally dry in south-eastern Dominican Republic and to extremely dry in south-western Haiti. Jamaica ranged from slightly dry in the south, east and west to normal elsewhere, whereas Grand Cayman was moderately dry. Cuba was predominantly dry with west central areas being slightly dry, and areas to the east being slight to moderately dry. Northern Bahamas ranged from slightly to exceptionally wet. Belize ranged from extremely wet in central areas to moderately dry in the west and normal in the north and south.

June 2019 to May 2020

Over the twelve month period, rainfall was normal to below normal throughout the eastern Caribbean. Trinidad ranged from severely dry in the southeast to exceptionally dry in northwest; Tobago normal to moderately dry; Grenada slight to moderately dry; Barbados and St Vincent exceptional to extremely dry; Saint Lucia exceptionally dry; Martinique severe to moderately dry; Dominica slightly dry to normal; Guadeloupe normal in the west to exceptionally dry in the east; Antigua, St Kitts, St Maarten Anguilla and St Thomas normal; St Croix extreme to severely dry. In the Guianas ,  conditions ranged from moderately dry in northern Guyana to moderately wet in north-central Guyana and French Guiana. Aruba and Curacao were moderately dry. Puerto Rico ranged from extremely dry in the south-western tip to moderately wet in the northeast. Hispaniola ranged from exceptionally dry in central Dominican Republic to slightly dry in the extreme east and extremely dry in south-western Haiti. Jamaica ranged from normal in central areas to moderately dry in the west and east. Grand Cayman was exceptionally dry. Cuba ranged from normal in central, western and eastern areas to moderately dry in west-central areas and to moderately wet in the northeast. Northern Bahamas ranged from extremely wet to extremely dry, and Belize from normal in the south to extremely dry in the west and north.

June 2018 to May 2020

Rainfall in the eastern Caribbean over the two year period was predominantly normal to below normal. Trinidad was slightly dry in the southeast to exceptionally dry in the northwest; Tobago severe to extremely dry; Grenada slightly dry; Barbados and Saint Lucia exceptionally dry; St Vincent extreme to exceptionally dry; Martinique exceptional to moderately dry south to north; Dominica severe to slightly dry; Guadeloupe normal to exceptionally dry from west to east; Antigua normal to slightly dry; St Kitts slight to moderately dry; St Maarten moderately dry; St Croix moderate to severely dry, and St. Thomas normal. In the Guianas, conditions were predominantly normal ranging to exceptionally dry in northern Guyana, very wet in central Guyana and moderately wet in Southern Guyana ND north and western Suriname. Aruba was moderate to severely dry and Curacao moderately dry. Puerto Rico ranged from severely dry in the extreme south west to normal in the east. Hispaniola was mostly exceptionally dry, ranging to moderately dry in the north. Jamaica ranged from normal in central areas to slightly dry in the west and exceptionally dry in the east. Grand Cayman was exceptionally dry. Cuba ranged from normal in the west to exceptionally dry in the east. Northern Bahamas ranged from moderately wet to extremely dry, and Belize from slightly dry in central areas to normal in the south and exceptionally dry in the western border 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.

SPI Change May 2020

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Mean Temperature Anomalies April 2020

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April 2020

Temperature anomalies in the eastern Caribbean were warmer than the 1981 – 2010 average. Trinidad Saint Lucia, St. Maarten and St. Thomas were between 0.75 and 1.50 oC warmer; Tobago, Grenada, Dominica, Guadeloupe and Antigua were between 0.25 and 0.75 oC warmer; Barbados was between 0 to 1.50 oC warmer from southeast to northeast; Martinique and St. Kitts between 0.25 and 1.50 oC warmer; and St. Croix between 0and 0.75 oC warmer. Conditions in the Guianas ranged from 0.75 oC cooler in northeast Suriname up to 2.50 oC warmer in central and north central Guyana.  Curacao was between 0.25 and 0.75 oC warmer. Puerto Rico ranged from 0.25 in the north east to 1.5 warmer elsewhere. Haiti and Jamaica was between 0.75 to 1.50 oC warmer. Grand Cayman was between 1.50 and 2.50 oC warmer.  Cuba ranged from 0.75 to 2.50 warmer east to west. Belize was predominantly 1.50 to 2.50 oC. warmer except for the northwestern corner which was above 2.50 oC warmer. Northern Bahamas ranged from 0.75 to above 2.50 oC warmer.

February to April 2020

Much of the eastern Caribbean was warmer than the 1981 – 2010 average. Trinidad, Saint Lucia and St. Maarten were between 0.75 to 1.50 oC warmer; Barbados between 0.25 to 1.50 oC warmer from southeast to northwest; Tobago, Grenada, Martinique, St. Kitts and St. Thomas were between 0.25 and 0.75 oC warmer; Guadeloupe was  between 0 and 0.25 oC warmer. St. Croix ranged from 0.25 oC cooler to 0.25 oC warmer from south to north. Conditions in the Guianas ranged from at least 0.25 cooler in a small area in northeastern Suriname and French Guiana to 2.50 oC warmer in central Guyana, west central Suriname and north central French Guiana. Curacao was between 0.25 and 0.75 oC warmer. Puerto Rico and Haiti were between 0.25 and 1.50 oC warmer. Jamaica and Grand Cayman were between 0.75 and 1.50 oC warmer. Cuba and Belize were between 0.75 and 2.50 oC warmer. Northern Bahamas ranged from 0.75 to more than 2.50 oC warmer.

November 2019 to April 2020

Temperature anomalies in the eastern Caribbean were warmer than the 1981 – 2010 average. Trinidad, Tobago and St. Maarten was between 0.75 and 1.50 oC warmer; Barbados and Guadeloupe between 0.25 and 1.50 oC warmer; Grenada, Saint Lucia, Martinique, St. Kitts and St. Thomas between 0.25 and 0.75 oC warmer; Dominica between 0 and 0.75 oC warmer; Antigua and St. Croix between 0 and 0.25 oC warmer. Conditions in the Guianas ranged between 0 and 0.25oC cooler in northeastern French Guiana and more than 2.50 oC warmer in north central French Guiana, and between 0.75 and 1.50 oC in most of Guyana and Suriname. Curacao was between 0.25 and 0.75 oC warmer. Puerto Rico was predominantly between 0.75 and 1.50 oC warmer with a small section the southeast being between 0.25 and 0.75 oC warmer. Haiti, Jamaica, Cuba and Grand Cayman were between 0.75 and 1.50 oC warmer. Belize was predominantly between 0.75 and 1.50 oC warmer with small section in the north central being 1.50 to 2.50 oC warmer. Northern Bahamas was between 0.75 and 2.50 oC warmer.

May 2019 to April 2020

The islands of the eastern Caribbean were warmer than the 1981 – 2010 average, except for Guadeloupe which was between 0.25 to 0.75 oC cooler, Dominica which ranged from 0.75 cooler in the northeast to 0.75 oC warmer in the south, Antigua which ranged from 0.25 oC cooler in the south to 0.25 oC warmer in the north and St. Croix which was between 0 to 0.25 oC cooler. Trinidad was between 0.75 and 1.50 oC warmer than average; Barbados and Tobago between 0.25 to 1.50 oC warmer; Grenada, Saint Lucia, Martinique, St. Kitts, St. Maarten and St. Thomas between 0.25 and 0.75 oC warmer. Conditions in the Guianas ranged from between 0 oC warmer in northeast Suriname and northeast French Guiana to 2.50 oC warmer in north central French Guiana. Curacao was between 0.25 to 0.75 oC warmer. Puerto Rico was predominantly between 0.25 and 0.75 oC warmer except for a small section in the northeast which was between 0.75 and 1.50 oC warmer. Haiti was predominantly between 0.25 and 0.75 oC warmer with the exception of the northwestern and southwestern tips which was between 0.75 and 1.50 oC warmer. Jamaica, Cuba and Grand Cayman were between 0.75 and 1.50 oC warmer. Belize and northern Bahamas was between 0.75 and 2.50 oC warmer.

Mean Temperature for April 2020

Mean Temperature for the Period May 2019 to April 2020

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.

SPEI April 2020

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SPI Monitor April 2020

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April 2020

Normal to below normal conditions mainly prevailed throughout the islands of the eastern Caribbean, during the month of April. Trinidad ranged from normal in the east to severely dry in the southwest and exceptionally dry in the extreme northwest; Tobago slightly wet to moderately dry; Grenada normal; St Vincent, St Maarten and Anguilla normal to slightly dry; Barbados, St Kitts, St Croix and St Thomas slightly dry; Saint Lucia moderate to severely dry; Martinique severe to extremely dry; Dominica normal to moderately dry; Guadeloupe normal to severely dry and Antigua severely dry. Conditions in the Guianas ranged from normal in most of Suriname, parts of eastern Guyana and western French Guiana to exceptionally dry in northern Guyana and to extremely wet in northeast French Guiana. Curacao was normal. Puerto Rico ranged from slightly dry to normal. Hispaniola ranged from exceptionally dry for most of Haiti and western Dominican Republic to slightly dry in east central Dominican Republic. Jamaica ranged from extremely dry in the south east to normal in the north and north western areas. Grand Cayman was moderately dry.  In Cuba, conditions ranged from normal in the north and southeast to severely dry in parts of the northeast and to extremely dry in the west. Northern Bahamas ranged from normal to extremely wet. Belize ranged from normal in the extreme southwest to extremely dry in the east and north.

February to April 2020

Mixed conditions prevailed throughout the eastern Caribbean during the three month period. Trinidad ranged from extremely dry in the extreme southwest to normal in the northeast; Tobago and Dominica normal to slightly dry; Grenada normal to slightly wet; Barbados slightly dry; St Vincent moderately dry; Saint Lucia and Martinique moderate to severely dry; Guadeloupe very wet in the west to moderately dry in the east; St Kitts slight to moderately wet; Antigua, St Maarten, Anguilla, St Croix and St Thomas normal. In the Guianas, conditions ranged from exceptionally dry in north eastern Guyana, to slightly wet in north eastern French Guiana. Curacao was normal. Puerto Rico ranged from normal in the south to exceptionally wet in the northeast. Apart from the extreme eastern areas of the Dominican Republic which were slight to moderately wet, Hispaniola ranged from normal to moderately dry. Jamaica ranged from severely dry in the extreme south to normal in the north. Grand Cayman was exceptionally dry. Cuba ranged from exceptionally dry in central areas to moderately dry in the west and to normal in the southeast. Northern Bahamas ranged from normal to moderately dry and Belize from normal in the south east to exceptionally dry in the north east.

November 2019 to April 2020

Mixed conditions were seen during the six month period throughout the eastern Caribbean. Trinidad was normal to moderately dry from south east to north west; Tobago, Grenada, Antigua, St Maarten, Anguilla, and St Thomas normal; St Vincent extremely dry; Barbados slight to severely dry; Saint Lucia extreme to exceptionally dry; Martinique moderately dry; Dominica moderately wet to normal from west to east; Guadeloupe normal to severely dry from west to east; St Kitts moderate to slightly wet from south to north; and St. Croix normal to slightly wet. Conditions in the Guianas ranged from normal in eastern Guyana, western Suriname and eastern French Guiana to exceptionally dry in northern Guyana and northwest French Guyana. Curacao was slight to moderately dry. Puerto Rico ranged from exceptionally dry in the southwest to exceptionally wet in the northeast. Over Hispaniola, Haiti was predominantly normal with the Dominican Republic ranging from exceptionally dry to  moderately wet. Jamaica was normal in the extreme west and northeast, and slight to moderately dry elsewhere. Grand Cayman was moderately dry. Cuba ranged from extremely dry in east central areas to normal in the east and to slightly dry in the west. Northern Bahamas was normal to moderately dry and Belize ranged from slightly dry in central areas to extremely dry in the southeast and northeast.

May 2019 to April 2020

Conditions in the islands of eastern Caribbean were predominantly normal to below normal over the twelve month period. Trinidad was moderate to extremely dry from  the south east to northwest; Tobago normal to moderately dry; Grenada slightly dry; Barbados exceptional to severely dry   south to north; St Vincent severe to extremely dry; Saint Lucia extreme to exceptionally dry; Martinique moderate to severely dry; Dominica slightly dry to normal south to north; Guadeloupe normal  in the west to exceptionally dry in the east; Antigua slightly wet to normal; St Kitts, St Maarten and Anguilla normal; St Croix severely dry and St Thomas slight to moderately dry.  The Guianas, though moderately normal, ranged very wet in a small area in north central Guyana to extremely dry in north western French Guiana. Curacao was moderately dry. Puerto Rico ranged from severely dry in the west to moderately wet in the north east.  In Hispaniola, conditions ranged from normal in northwest Haiti to exceptionally dry in southern Dominican Republic. Jamaica was normal to moderately dry. Grand Cayman was extremely dry. In Cuba, conditions ranged from severely dry in west central areas to slightly wet in eastern areas. Northern Bahamas ranged from moderately wet to extremely dry in the north, whereas Belize ranged from normal in the south to exceptionally dry in the north and western areas.

May 2018 to April 2020

Over the two year period, predominantly normal to below normal conditions prevailed throughout the eastern Caribbean. Trinidad ranged from slightly dry in the extreme south east to exceptionally dry in north western areas; Tobago moderate to severely dry; Grenada slightly dry; Barbados and Saint Lucia exceptionally dry; St Vincent extremely dry; Martinique extreme to moderately dry south to north; Dominica moderately dry to normal from south to north; Guadeloupe normal in the west to exceptionally dry in the east; Antigua, St Kitts and St. Thomas normal to slightly dry; St Croix and St Maarten moderately dry. In the Guianas, conditions ranged from normal to very wet in central Guyana, to exceptionally dry in north eastern Guyana and north western French Guiana. Curacao was moderate to severely dry. Puerto Rico ranged from severely dry in the extreme south west to normal in eastern areas. Hispaniola ranged from moderately dry in the north to exceptionally dry over most of Haiti and southern Dominican Republic. Jamaica was predominantly normal with slightly dry conditions in the northwest and slight to extremely dry conditions in the east. Grand Cayman was severely dry. Cuba ranged from slightly wet in the west to exceptionally dry in the east. Northern Bahamas ranged from moderately wet to extremely dry in the north. Belize ranged from normal in the south to exceptionally dry in the west 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.