SPI Monitor September 2020

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September 2020

The islands of the eastern Caribbean were predominantly normal to below normal during the month of September. Trinidad ranged from exceptionally dry in the southeast to exceptionally wet in northeastern areas; Tobago, Barbados, Dominica, St Kitts, Antigua, St Maarten, Anguilla, St Croix and St Thomas normal; Grenada slight to severely dry; St Vincent extreme to severely dry south to north; Saint Lucia slight to moderately dry; Martinique predominantly slightly dry with moderately dry areas in the extreme southwest; Guadeloupe was predominantly normal ranging to slightly wet in the extreme east. Conditions in the Guianas ranged from extremely dry in Southern Guyana and exceptionally dry in northeastern French Guiana to exceptionally wet in a small area in southern Suriname and northern French Guiana. Aruba slightly dry; Curacao normal to slightly dry in the north.  Puerto Rico ranged from slightly dry to normal west to east. Hispaniola ranged from moderately wet to moderately dry in a small area in the north and extreme east of the Dominican Republic. Jamaica was normal in southern and eastern areas ranging to moderately wet in the north and moderately dry in the extreme west. Grand Cayman was moderately dry. Cuba was moderately dry in the west, very wet in the east and exceptionally wet in west central areas. Northern Bahamas ranged from extremely wet to normal. Belize ranged from slightly dry in the south to severely dry in the west and slightly wet in the north.

July to September 2020

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

April to September 2020

Normal to below normal conditions prevailed throughout the eastern Caribbean during the six month period. Trinidad ranged from moderately dry in the southeast to normal in the northwest; Tobago slight to extremely dry; Grenada, St Kitts, slight to moderately dry; Barbados slightly dry in the extreme south to normal; St Vincent severely dry; Saint Lucia and Anguilla moderately dry; St Maarten moderate to slightly dry; Martinique moderate to extremely dry south to north; Dominica extreme to severely dry; Guadeloupe predominantly severely dry with moderately dry conditions in the extreme north; Antigua and St Croix slightly dry; St Thomas normal. In the Guianas, conditions ranged from moderately dry in the extreme north of Guyana to exceptionally wet in northeastern French Guiana. Aruba and Curacao were normal. Puerto Rico was normal. Hispaniola ranged from normal in northwestern and central areas to extremely dry in southeastern Dominican Republic. Jamaica was predominantly normal with moderately dry conditions on the southwestern border and moderately wet areas in the northwest. Grand Cayman was slightly dry to normal. Cuba ranged from slightly wet in the west and extremely wet in west central areas to normal in the east. Northern Bahamas ranged from slight to exceptionally wet. Belize ranged from moderately dry in the south to severely dry in the southwest and normal in central and northern areas.

October 2019 to September 2020

Conditions in the eastern Caribbean were normal to below normal throughout the twelve month period. Trinidad ranged from slight to severely dry west to east; Tobago and Dominica slight to moderately dry; Grenada and St Croix moderately dry; Barbados extreme to slightly dry south to north; St Vincent exceptionally dry; Saint Lucia exceptional to extremely dry south to north; Martinique moderate to severely dry; Guadeloupe slight to exceptionally dry west to east; Antigua; Anguilla and St Thomas normal; Anguilla and St Maarten normal to slightly dry; St Kitts normal to slightly dry. Conditions in the Guianas ranged from predominantly normal to exceptionally dry in northern Guyana and northwestern French Guiana to severely dry at the central Suriname/French Guiana border, and to moderately wet in northeastern French Guiana. Aruba and Curacao were moderately dry. Puerto Rico ranged from severely dry in the west to moderately wet in the northeast. Hispaniola ranged from normal in the west and extreme east to exceptionally dry in central Dominican Republic. Jamaica was predominantly normal with slightly dry conditions on the southern border. Grand Cayman was moderately dry. Cuba was predominantly normal with slightly wet conditions in the west and moderately wet areas in the north. Northern Bahamas ranged from exceptionally wet to normal; Belize ranged from normal in central areas to exceptionally dry in the west, moderately dry in the south and severely dry in the north.

October 2018 to September 2020

Normal to below normal conditions prevailed throughout the eastern Caribbean over the two year period. Trinidad and Martinique ranged from exceptional to moderately dry; Tobago moderate to extremely dry; Grenada moderately dry; Barbados and saint Lucia exceptional to extremely dry; St Vincent extremely dry; Dominica severe to slightly dry south to north; Guadeloupe normal to exceptionally dry west to east; Antigua normal, St Kitts normal to moderately dry; St Maarten slightly dry; Anguilla slight to moderately dry; St Thomas normal to slightly dry; St Croix severely dry. Conditions in the Guianas ranged from exceptionally wet in central Guyana to exceptionally dry in northern Guyana, and in the vicinity of the northern half of the Suriname/ French Guiana border. Aruba and Curacao moderately dry. Puerto Rico ranged from severely dry in the extreme southwest to normal in eastern areas. Hispaniola ranged from slightly dry in a small area in western Dominican Republic to exceptionally dry in the extreme west and eastern areas. Jamaica was predominantly normal, ranging to extremely dry in the east. Grand Cayman was extremely dry. Cuba ranged from slightly wet in the west to exceptionally dry in the east. Northern Bahamas ranged from exceptionally wet to extremely dry. Belize ranged from normal in a small central area to moderately dry in the extreme south and exceptionally dry in western and northern areas.

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.

Mean Temperature Anomalies August 2020

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August 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average with the exception of Guadeloupe which ranged from 0.25 oC cooler to 0.25 oC warmer and Antigua which was between 0 to 0.25 cooler. Trinidad ranged between 0.75 to 2.50 oC warmer from southeast to the northwest; Tobago, Grenada, Martinique, St. Thomas and St. Croix were between 0.75 and 1.50 oC warmer; Barbados and Dominica were between 0.25 and 1.50 oC warmer; Saint Lucia and St. Maarten were between 0.25 and 0.75 oC warmer; St. Kitts was between 0 to 0.75 oC warmer from south to north. Much of the Guianas was between 0.25 and 0.75 oC warmer, with north east and central French Guiana and north and northwestern Suriname ranging between 0.75 and 1.50 oC warmer, a small area in north east Suriname was between 0 and 0.25 oC warmer. Aruba and Curacao were between 0.25 and 0.75 oC warmer. Puerto Rico was predominantly between 0.75 and 1.50 oC warmer with a small area in the northeast between 0.25 and 0.75 oC warmer. Haiti was predominantly between 0.25 and 0.75 oC warmer with only a small area in the south west being between 0.75 and 1.50 oC warmer. Cuba was between 0.25 to 1.50 oC warmer. Jamaica, Grand Cayman, and Belize were between 0.75 to 1.50 oC warmer. Northern Bahamas was between 0.75 to 2.50 oC warmer.

June to August 2020

Temperatures in the eastern Caribbean were warmer than the 1981 – 2010 average. Trinidad, Tobago, Grenada, Martinique, St. Thomas and St. Croix were between 0.75 to 1.50 oC warmer; Barbados was predominantly between 0.75 to 1.50 oC warmer with the southeastern portions between 0.25 and 0.75 oC warmer; Saint Lucia, St. Kitts and St. Maarten were between 0.25 and 0.75 oC warmer, Dominica was predominantly between 0.25 to 0.75 oC warmer with the south portions between 0.75 to 1.50 oC warmer; Guadeloupe and Antigua between 0 and 0.25 oC warmer. Most of the Guianas were between 0.25 and 0.75 oC warmer, with conditions ranging from between 0.25 cooler in northeastern Suriname to 1.50 oC warmer in west central Suriname and central and northeast French Guiana. Aruba and Curacao were between 0.25 and 0.75 oC warmer. Puerto Rico was predominantly between 0.75 and 1.50 oC warmer with a small area in the northwest being between 0.25 and 0.75 oC warmer. Haiti was between 0.25 to 0.75 oC warmer. Jamaica was predominantly between 0.75 and 1.50 oC warmer with a small area in the southeast-central between 1.50 and 2.50 oC warmer. Grand Cayman was between 0.75 and 1.50 oC warmer. Cuba and Belize were between 0.25 and 1.50 oC warmer. Northern Bahamas was between 0.25 and 2.50 oC warmer.

March 2020 to August 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad, Tobago, Martinique and St. Thomas were between 0.75 and 1.50 oC warmer; Grenada, Dominica, St. Kitts, St. Maarten and St. Croix between 0.25 and 0.75 oC warmer; Barbados was 0.25 to 1.50 oC warmer southeast to northwest; Saint Lucia was predominantly between 0.25 to 0.75 oC warmer with southern tip between 0.75 to 1.50 oC warmer; Guadeloupe and Antigua between 0 and 0.25 oC warmer. The Guianas was predominantly between 0.75 to 1.50 oC warmer, with areas closer to the coast ranging from 0.25 oC warmer in northeastern Suriname up to 0.75 oC. Aruba and Curacao were between 0 and 0.75 oC warmer. Puerto Rico and Cuba were predominantly between 0.75 and 1.50 oC warmer with the southeastern tip of Cuba and northeast Puerto Rico between 0.25 and 0.75 oC warmer.  Haiti was between 0.25 and 0.75 oC warmer. Jamaica and Northern Bahamas were between 0.75 and 2.50 oC warmer. Grand Cayman was between 0.75 and 1.50 oC warmer. Belize was between 0.25 and 2.50 oC warmer from south to northwest.

September 2019 to August 2020

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

Mean Temperature for August 2020

Mean Temperature for the Period September 2019 to August 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 August 2020

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SPI Monitor August 2020

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August 2020

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

June to August 2020

Over the three month period, conditions in the eastern Caribbean were mixed. Trinidad , St Vincent,  St Kitts , St Croix, St Maarten, Anguilla and St Thomas normal; Tobago normal to moderately dry; Grenada normal to slightly dry; Barbados normal to moderately wet south to north; Saint Lucia and Martinique normal to severely dry; Dominica severe to slightly dry south to north;  Guadeloupe normal to extremely dry; Antigua normal to slightly wet. In the Guianas conditions ranged from moderately wet in  western , south western Guyana ,northern Guyana and Suriname border and north eastern French Guiana to very wet in central Suriname and slightly dry in northern Guyana. Aruba and Curacao were slightly wet. Puerto Rico ranged from normal in the southeast to extremely wet in the northwest.  Hispaniola was predominantly normal ranging from slightly wet on the central border to slightly dry in the extreme southwest of Haiti and southeastern areas of the Dominican Republic.  Jamaica was predominantly normal with the extreme western sections ranging to moderately wet. Grand Cayman was normal to slightly wet. Cuba ranged from moderately wet in western and west central areas to slightly dry in the extreme east. Northern Bahamas ranged from moderately wet to normal and Belize ranged from severely dry in the south and eastern areas to normal in the west, southeast and northern areas.

March to August 2020

Conditions in the eastern Caribbean were normal to below normal during the six month period. Trinidad ranged from slightly dry in the southeast to moderately dry in the northwest, and normal in the extreme northeast; Tobago normal to extremely dry; Grenada, , St Kitts, St Maarten and Anguilla slightly dry; St Vincent  slight to moderately dry ; Barbados,  Antigua, St Croix and St Thomas normal; Saint Lucia slight to exceptionally dry; Martinique moderate to severely dry; Dominica extreme to severely dry; Guadeloupe ranged from slight to exceptionally dry from west to east with the exception of the extreme northwest which was normal. In The Guiana’s conditions were predominantly normal, ranging from severely dry in northern Guyana , southern Suriname /French Guiana border, to exceptionally wet in northeastern French Guiana. Aruba and Curacao were normal. In Puerto Rico, conditions ranged from slightly dry in the southeast to moderately wet in the extreme northwest.  Hispaniola ranged from normal in northern and north central areas to severely dry in south western Haiti and exceptionally dry in a small area in the south of the Dominican Republic. Jamaica was predominantly normal ranging from moderately dry in the southwest to slightly wet in the northwest. Grand Cayman was normal. Cuba ranged from very wet in the extreme west to extremely dry in the east. Northern Bahamas ranged from slight to exceptionally wet and Belize was predominantly normal ranging to moderately dry in the southwest and northeast.

September 2019 to August 2020

Over the twelve month period, conditions in the eastern Caribbean were normal to below normal. Trinidad ranged from severely dry in the west to normal in the extreme northeast; Tobago normal to moderately dry; Grenada slight to moderately dry; Barbados exceptional to slightly dry; St Vincent extreme to exceptionally dry; Saint Lucia exceptionally dry; Martinique moderate to severely dry; Dominica moderately dry; Guadeloupe slight to exceptionally dry west to east; Antigua and St Kitts normal; St Maarten and Anguilla slightly dry; St Croix severely dry; St Thomas slightly dry to normal. In the Guiana’s conditions were predominantly normal ranging from normal to extremely dry in northern Guyana, to moderately wet in northeastern French Guiana and to exceptionally dry in northwestern French Guiana. Aruba ranged from normal to slightly dry and Curacao slightly dry. Puerto Rico ranged from extremely dry in the southwest to very wet in the northeast. Hispaniola ranged from exceptionally dry in central Dominican Republic to normal in the west and extreme east. Jamaica was predominantly normal with slightly dry conditions on the southwestern border. Grand Cayman was extremely dry. Cuba ranged from moderately wet in the extreme west and moderately dry in west central areas to normal in central and eastern areas. Northern Bahamas ranged from very wet to extremely dry. Belize ranged from normal in central areas to moderately dry in the south and to extremely dry in the northeast.

September 2018 to August 2020

Conditions were normal to below normal throughout the eastern Caribbean over the two year period. Trinidad and Martinique ranged from moderate to exceptionally dry; Tobago and Dominica slight to extremely dry; Grenada moderately dry; Barbados exceptional to severely dry south to north; St Vincent severe to extremely dry; saint Lucia exceptionally dry; Guadeloupe normal to exceptionally dry west to east; Antigua normal; St Kitts normal to slightly dry; St Maarten slightly dry; Anguilla slight to moderately dry; St Croix severely dry; St Thomas slightly dry to normal south to north. Conditions in the Guiana’s ranged from exceptionally wet in central Guyana to exceptionally dry in northern Guyana, northwest French Guiana and eastern Suriname. Aruba and Curacao were moderately dry. Puerto Rico ranged from severely dry in the extreme southwest to normal in the east. Hispaniola ranged from moderately dry in central areas to exceptionally dry in the west of Haiti and eastern Dominican Republic. Jamaica was predominantly normal ranging to extremely dry in the east. Grand Cayman was severe to moderately dry west to east. Cuba was moderately wet in the west to exceptionally dry in the east. Northern Bahamas ranged from extremely wet to extremely dry and Belize ranged from moderate to exceptionally dry south to 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.

Mean Temperature Anomalies July 2020

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July 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad, Tobago, Grenada, Barbados, Martinique and St. Thomas were between 0.75 and 1.50 oC warmer; Saint Lucia, Dominica, and St. Maarten were between 0.25 and 0.75 oC warmer; Guadeloupe and Antigua were between 0 to 25 oC warmer; St. Kitts was between 0 to 0.75 oC warmer and St. Croix was between 0.25 to 1.50 oC warmer. Much of the Guianas was between 0.25 and 0.75 oC warmer, with conditions ranging from at least 0.25 oC cooler in a small area in northeast Suriname to 1.50 oC warmer in much of French Guiana and northwest Suriname. Aruba and Curacao were between 0.25 and 0.75 oC warmer. Puerto Rico and Cuba were between 0.25 to 1.50 oC warmer. Haiti was between 0.25 and 0.75 oC warmer. Grand Cayman, Jamaica, and northern Bahamas were between 0.75 to 1.50 oC warmer. Belize was between 0.25 to 2.50 oC warmer.

May to July 2020

Much of the eastern Caribbean was warmer than the 1981 – 2010 average. Trinidad, Tobago, Grenada, Martinique, St. Thomas and St. Croix were between 0.75 to 1.50 oC warmer; Barbados, Saint Lucia, Dominica and St. Maarten between 0.25 to 1.50 oC warmer; Guadeloupe between 0 and 0.75 oC warmer, Antigua between 0 and 0.25 oC warmer and St. Kitts between 0.25 and 0.75 oC warmer. Most of the Guianas was between 0.25 and 0.75 oC warmer, with conditions ranging from between 0.75 cooler in northeastern Suriname to 1.50 oC warmer at the central Suriname/French Guiana border towards central French Guiana. Curacao was between 0 to 0.25 oC warmer and Aruba was between 0.25 and 0.75 oC warmer. Puerto Rico was between 0.75 and 1.50 oC warmer with a small area in the northwest being between 0.25 and 0.75 oC warmer. Haiti was between 0.25 to 0.75 oC warmer. Jamaica was between 0.75 and 2.50 oC warmer from west to east. Grand Cayman was between 0.75 and 1.50 oC warmer. Cuba, Belize and Northern Bahamas were between 0.75 and 1.50 oC warmer.

February 2020 to July 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad, Tobago St. Maarten and St. Thomas were between 0.75 and 1.50 oC warmer; Barbados, Saint Lucia and Martinique were between 0.25 and 1.50 oC warmer; Grenada, Dominica, St. Kitts and St. Croix between 0.25 and 0.75 oC warmer; Guadeloupe and Antigua between 0 and 0.25 oC warmer. The Guianas was predominantly between 0.75 to 1.50 oC warmer, with areas closer to the coast ranging from 0.25 oC cooler in northeastern Suriname up to 0.75 oC. Aruba and Curacao were between 0.25 and 0.75 oC warmer. Puerto Rico, Cuba and Grand Cayman were between 0.75 and 1.50 oC warmer, Haiti was between 0.25 and 1.50 oC warmer. Jamaica was predominantly between 1.50 and 2.50 oC warmer with the western and easternmost portions being between 0.75 and 1.50 oC warmer. Belize was between 0.25 and 2.50 oC warmer from south to northwest. Northern Bahamas was between 0.75 and 2.50 oC warmer.

August 2019 to July 2020

The islands of the eastern Caribbean were warmer than the 1981 – 2010 average, except for Guadeloupe which was between 0 to 0.25 oC cooler. Trinidad, Tobago and St.Thomas were between 0.75 and 1.50 oC warmer; Grenada, Saint Lucia, and St. Kitts, between 0.25 and 0.75 oC warmer; Barbados, Martinique and St. Maarten between 0.25 to 1.50 oC warmer; Dominica from between 0.75 oC warmer in the south to 0.25 cooler in the northeast; Antigua between 0 and 0.25 oC warmer; and St. Croix between 0 and 0.75 warmer. The Guianas was predominantly between 0.75 and 1.50 oC warmer, with conditions ranging from between 0 oC to 0.25 warmer in northeast French Guiana and 2.50 oC warmer in central and northern French Guiana. Curacao was between 0.25 to 0.75 oC warmer and Aruba between 0.75 and 1.50 oC warmer. Puerto Rico, 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 the exception of a small area in the northwest being between 1.50 and 2.50 oC warmer. Northern Bahamas was between 0.75 and 2.50 oC warmer.

Mean Temperature for July 2020

Mean Temperature for the Period August 2019 to July 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.