SPI Monitor October 2020

October 2020

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

August to October 2020

Conditions in the eastern Caribbean were mostly normal to above normal over the three month period. Trinidad ranged from extremely dry in the southeast to exceptionally wet in the northwest; Tobago, Martinique and Dominica normal to slightly wet; Grenada normal to slightly dry; St Vincent, Saint Lucia, Guadeloupe, Antigua, St Kitts, St Croix and St Thomas normal; Barbados extremely wet in the south to moderately wet in the north; St Maarten moderate to slightly wet west to east. In the Guianas, conditions ranged from moderately dry in southwest Guyana and severely dry in northeastern French Guiana to extremely wet in northern French Guiana. Aruba slightly wet and Curacao predominantly normal with slightly dry areas in the southeast. Puerto Rico ranged from severely dry in the west to normal in the east. Hispaniola was predominantly normal ranging to moderately dry in northern Dominican Republic. Jamaica ranged from very wet in southern areas to slightly dry in the west and normal in the northeast. Grand Cayman was moderately wet. Cuba ranged from extremely wet in the west to normal in the east. Northern Bahamas ranged from normal to exceptionally wet and Belize was moderately dry in the south to normal in the north.

May to October 2020

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

November 2019 to October 2020

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

November 2018 to October 2020

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

 

Mean Temperature Anomalies September 2020

September 2020

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

July to September 2020

Temperatures in the eastern Caribbean were warmer than the 1981 – 2010 average. Trinidad, Tobago, Grenada, Saint Lucia, Martinique and St. Thomas 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; Dominica was predominantly between 0.25 to 0.75 oC warmer with the south portions between 0.75 to 1.50 oC warmer and between 0 to 0.25 in the extreme northeast; Guadeloupe and Antigua ranged from between 0.25 oC cooler to 0.25 oC warmer; St. Kitts was between 0 and 0.75 oC warmer south to north; St. Maarten and St. Croix were between 0.25 and 0.75 oC warmer. Most of the Guianas were between 0.25 and 0.75 oC warmer, with conditions ranging from between 0.25 oC cooler in northeastern Suriname to 1.50 oC warmer in northeastern and central French Guiana and the northern Guiana/Suriname border. Aruba was between 0.75 to 1.50 oC warmer and Curacao between 0.25 and 0.75 oC warmer. Puerto and Cuba were between 0.25 and 1.50 oC warmer. Jamaica, Grand Cayman, Belize and northern Bahamas were between 0.75 and 1.50 oC warmer.

April 2020 to September 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad, Tobago, Saint Lucia, Martinique St. Maarten and St. Thomas were between 0.75 and 1.50 oC warmer; Grenada, Barbados, Dominica and St. Croix were 0.25 to 1.50 oC warmer; Guadeloupe was between 0 and 0.75 oC warmer and Antigua between 0 and 0.25 oC warmer; St. Kitts was between 0.25 to 0.75 oC warmer. The Guianas was predominantly between 0.25 to 0.75 oC warmer, ranging from at least 0.25 oC cooler in northeast Suriname up to 1.50 oC warmer in northwestern, northeastern Guyana and northwestern Suriname. Aruba was between 0.75 and 1.50 oC warmer and Curacao between 0.25 and 0.75 oC warmer. Puerto Rico, Cuba and Grand Cayman were between 0.75 and 1.50 oC warmer with a small area on the southeastern tip of Cuba between 0.25 and 0.75 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 with a small area in the center of the country ranging up to 2.50 oC warmer.

October 2019 to September 2020

The islands of the eastern Caribbean were warmer than the 1981 – 2010 average, except for Guadeloupe which was between 0.25 cooler oC to 0.25 oC warmer. 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 were between 0.25 to 1.50 oC warmer; Dominica ranged from 0.75 oC warmer in the south to 0 oC warmer in the north. Antigua 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 up to 2.50 oC warmer in central and northern French Guiana. Aruba was between 0.75 and 1.50 oC warmer and Curacao between 0.25 to 0.75 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 a small area ranging up to 2.50 oC warmer and the southwestern border ranging to at least 0.25 oC warmer. Northern Bahamas was between 0.75 and 2.50 oC warmer.

Mean Temperature for September 2020

Mean Temperature for the Period October 2019 to September 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.

 

 

SPI Monitor September 2020

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

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