SPI Monitor August 2020

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

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.

Mean Temperature Anomalies June 2020

June 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad, Tobago, Martinique, St. Thomas and St. Croix were between 0.75 and 1.50 oC warmer; Grenada, Barbados, Saint Lucia, Antigua and St. Kitts were between 0.25 and 0.75 oC warmer; Guadeloupe was between 0 to 25 oC warmer; and Dominica and St. Maarten were between 0.25 to 1.50 oC warmer. Conditions in the Guianas ranged from at least 2.50 oC cooler in northeast Suriname to 1.50 oC warmer in much of French Guiana and Central Suriname while Guyana was between 0.25 and 0.75 oC warmer.  Curacao was between 0 to 0.25 oC warmer. Aruba was between 0.25 and 0.75 oC warmer. Puerto Rico and Grand Cayman were between 0.75 to 1.50 oC warmer. Haiti was between 0.25 and 0.75 oC warmer. Cuba and Belize were between 0.25 to 1.50 oC warmer. Jamaica was between 0.75 to 2.50 oC warmer from west to east. Northern Bahamas ranged from 0.25 to 2.50 oC warmer

April to June 2020

Much of the eastern Caribbean was warmer than the 1981 – 2010 average. Trinidad, Saint Lucia Martinique, St. Thomas, St. Croix and St. Maarten were between 0.75 to 1.50 oC warmer; Barbados, Tobago and Dominica between 0.25 to 1.50 oC warmer; Grenada, Guadeloupe, Antigua and St. Kitts were between 0.25 and 0.75 oC warmer; Conditions in the Guianas ranged from at least 0.75 cooler in northeastern Suriname to 1.50 oC warmer in much of Guyana and west-central Suriname while French Guiana was between 0.25 and 0.75 oC warmer. 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. Haiti was predominantly between 0.75 to 1.50 oC with only the southwestern tip being between 0.25 and 0.75 oC warmer. Jamaica was predominantly between 1.50 and 2.50 oC warmer with the exception of the western tip which was between 0.75 and 1.50 oC warmer. Grand Cayman was between 1.50 and 2.50 oC warmer. Cuba was between 0.75 and 1.50 oC warmer. Belize was predominantly between 0.75 and 1.50 oC warmer with only small area in central Belize being between1.50 and 2.50 oC warmer. Northern Bahamas ranged from 0.75 to 2.50 oC warmer.

January 2020 to June 2020

Temperatures in the eastern Caribbean were higher than the 1981 – 2010 average. Trinidad and St. Maarten were between 0.75 and 1.50 oC warmer; Tobago, Barbados and St. Thomas between 0.25 and 1.50 oC warmer; Grenada, Martinique, Dominica, St. Kitts  and St. Croix between 0.25 and 0.75 oC warmer; Saint Lucia was predominantly between 0.25 to 0.75 oC warmer with only a small portion of the southern tip being between 0.75 and 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 ranging from between 0 and 0.25 oC in northeastern Suriname to 2.50 oC warmer in north central French Guiana. Curacao was between 0.25 and 0.75 oC warmer and Aruba between 0.25 and 1.50 oC warmer. Puerto Rico, Cuba and Grand Cayman were between 0.75 and 1.50 oC warmer. Haiti was predominantly between 0.75 and 1.50 oC warmer with only a small area in the northeast and southwest being between 0.25 and 0.75 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 predominantly between 0.75 and 1.50 oC warmer with small area in the northwest being 1.50 to 2.50 oC warmer. Northern Bahamas was between 0.75 and 2.50 oC warmer.

July 2019 to June 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 and Dominica which ranged from 0.25 cooler in the northeast to 0.75 oC warmer in the south. Trinidad and Tobago were between 0.75 and 1.50 oC warmer; Grenada, Saint Lucia, St. Kitts, and St. Thomas between 0.25 and 0.75 oC warmer; Barbados, Martinique and St. Maarten between 0.25 to 1.50 oC warmer; and Antigua and St. Croix between 0 and 0.25 warmer. The Guianas was predominantly between 0.75 and 1.50 oC warmer, conditions ranged from between 0 oC to 0.25 warmer in northeast French Guiana to 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 was predominantly between 0.75 and 1.50 oC warmer except for a small section in the southwest which was between 0.25 and 0.75 oC warmer. Haiti ranged from between 0.25 to 1.50 oC warmer. 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 June 2020

Mean Temperature for the Period July 2019 to June 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 July 2020

    

SPI Monitor July 2020

July 2020

Mixed conditions were experienced throughout the eastern Caribbean during the month of July. Trinidad ranged from very wet in the south east to exceptionally dry in the west; Tobago normal to severely dry; Grenada slight to moderately dry; St Vincent moderately dry; Barbados, Guadeloupe and St Croix normal; Saint Lucia normal in the south to severely dry in the northwest; Martinique slightly wet to slightly dry; Dominica normal to slightly dry; Antigua very wet; St Kitts, St Maarten and Anguilla slight to moderately wet; and St. Thomas moderately wet. Conditions in the Guianas ranged from moderately wet in north eastern French Guiana, southwest and central Guyana and north western Suriname to severely dry in the vicinity of the central Suriname/ French Guiana border. Aruba and Curacao were moderately wet. Puerto Rico ranged from slight to exceptionally wet. Hispaniola ranged from normal in western Haiti to extremely wet in west and east central Dominican Republic. Jamaica ranged from moderately dry in the south to extremely wet in the west, and to slightly wet in the north east. Grand Cayman was moderately wet. Cuba ranged from exceptionally wet in central areas to moderately wet in the west and normal in the east. Northern Bahamas ranged from exceptionally wet to slightly dry in the north. Belize ranged from moderate to exceptionally dry from south to north.

May to July 2020

Apart from Trinidad that ranged from slightly wet in the southeast to exceptionally dry in the northwest, rainfall in the eastern Caribbean was predominantly normal to below normal over the three month period.; Tobago and Dominica were moderate to extremely dry; Grenada, St Maarten, and St Croix slightly dry; Barbados and St Kitts slightly dry to normal; St Vincent moderate to slightly dry south to north; Saint Lucia normal to exceptionally dry; Martinique and Guadeloupe slight to extremely dry; Antigua and St Thomas normal. In the Guianas conditions ranged from severely dry on the southern Suriname/ French Guiana border to exceptionally wet in north eastern French Guiana, and to extremely wet in the extreme south-western Guyana. Aruba and Curacao were normal. Puerto Rico ranged from very wet in the northwest to normal in the east. Hispaniola ranged from severely dry in the southwest and southeast to slightly wet in northern Dominican Republic. Jamaica ranged from severely dry in the south to moderately wet in the northwest. Grand Cayman was slightly dry to normal west to east. Cuba ranged from exceptionally wet in the west to moderately dry in the extreme east. Northern Bahamas ranged from moderate to exceptionally wet, and Belize ranged from moderately dry in the southwest to slightly wet in the northwest.

February to July 2020

Over the six month period, rainfall in the eastern Caribbean was normal to below normal. Trinidad ranged from exceptionally dry to normal from west to east; Tobago slight to exceptionally dry; Grenada and St Croix normal to slightly dry; Barbados slight to moderately dry; St Vincent severe to extremely dry; saint Lucia moderate to exceptionally dry; Martinique and Dominica moderate to extremely dry; Guadeloupe normal to extremely dry; Antigua, St Kitts and St Thomas normal; and St Maarten slightly dry. In the Guiana’s, conditions ranged from predominantly normal in most of Guyana and Suriname and parts of French Guiana, to exceptionally dry on the southern Suriname/French Guiana border, and to exceptionally wet in north eastern French Guiana. Aruba and Curacao were normal. Puerto Rico ranged from slightly dry in the south to extremely wet in the north. Hispaniola ranged from extremely dry in the extreme southwest of Haiti and south eastern Dominican Republic to normal in northern areas. Jamaica was moderately dry in the west and east, to slightly wet in the northwest. Grand Cayman was severely dry. Cuba was predominantly normal, and ranged to slightly wet in the west, north and southeast, and to severely dry in the east; Northern Bahamas ranged from normal to exceptionally wet and Belize was moderately wet to normal from south to north.

August 2019 to July 2020

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

August 2018 to July 2020

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

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

SPI Change July 2020

    

SPEI May 2020