SPI Monitor September 2021

September 2021

Conditions throughout the eastern Caribbean were predominantly normal to below normal during the month of September. Trinidad moderately dry to slightly wet southeast to northwest; Tobago, St Maarten and St Kitts slightly dry to normal; Grenada slight to moderately dry; Barbados extremely dry to exceptionally wet southeast to northwest; St Vincent and Dominica extremely dry to normal; Saint Lucia and Martinique normal to exceptionally dry; Guadeloupe severely dry to normal; Antigua and St Thomas normal; Anguilla normal to slightly wet and St Croix moderately dry. In the Guianas, conditions ranged from moderately dry in northwestern Guyana to exceptionally wet around the northern Suriname/French Guiana border and in Northeastern French Guiana. Aruba and Curacao were normal. Puerto Rico was predominantly normal with slightly dry conditions in the extreme southwest and southeastern areas. Hispaniola was predominantly normal, ranging to exceptionally dry in the extreme southwest of Haiti and to severely dry in southeast Dominican Republic. Jamaica ranged from normal in central areas to moderately dry in western areas and to exceptionally dry in the east. Grand Cayman was exceptionally dry. Cuba ranged from mostly normal in central areas to exceptionally dry in the west and to moderately dry in the east. Northern Bahamas ranged from very wet to exceptionally dry and Belize was predominantly normal ranging to moderately dry in the southeast and extreme north.

July to September 2021

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

April to September 2021

Over the six month period, conditions throughout the eastern Caribbean were predominantly normal to below normal. Trinidad ranged from moderately dry to exceptionally wet southeast to northwest; Tobago moderately wet to predominantly normal; Grenada moderate to slightly wet; Barbados slightly dry to very wet, St Vincent and Saint Lucia normal to moderately dry; Martinique and Dominica moderate to extremely dry; Guadeloupe moderate to exceptionally dry; Antigua severe to extremely dry; St Kitts moderate to severely dry; St Maarten severely dry to normal; Anguilla predominantly normal to slightly dry; St Croix moderately dry and St Thomas predominantly normal to slightly wet in the north. Conditions in the Guianas ranged from normal to exceptionally wet. Aruba and Curacao were normal. Puerto Rico ranged from moderately wet in northwestern areas to normal in the east. Hispaniola was predominantly normal with slightly wet conditions in northern Haiti ranging to moderately dry in the extreme southwestern tip of the Dominican Republic. Jamaica ranged from moderately wet in southern areas to moderately dry in the west and to slightly dry in the northeast. Grand Cayman was normal. Cuba was predominantly normal ranging to exceptionally dry in the west and to slightly wet in the extreme east. Northern Bahamas ranged from slight to moderately dry and Belize ranged from normal in central and southern areas to moderately dry in the north.

October 2020 to September 2021

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

October 2019 to September 2021

Conditions were predominantly normal to below normal throughout the eastern Caribbean over the two year period. Trinidad ranged from moderately wet to moderately dry; Tobago and Grenada predominantly normal to slightly dry; Barbados slightly dry to slightly wet; St Vincent and Saint Lucia exceptional to severely dry; Martinique extremely dry to normal; Dominica severely dry to normal; Guadeloupe slight to exceptionally dry; Antigua moderately dry; St Kitts slight to moderately dry; St Maarten moderately dry to normal; Anguilla predominantly normal to slightly wet;  St Croix severe to moderately dry and St Thomas normal. Conditions in the Guianas ranged from exceptionally wet to moderately dry. Aruba and Curacao were normal. Puerto Rico ranged from moderately dry in the west to slightly wet in the northeast. Hispaniola ranged from normal in western areas and the extreme east to exceptionally dry in southern areas of the Dominican Republic. Jamaica was predominantly normal ranging to severely dry in the west, slightly wet in the northwest and to moderately wet in eastern areas. Grand Cayman was normal. Cuba was predominantly normal with some slightly wet conditions in the extreme north. Northern Bahamas ranged from very wet to normal and Belize ranged from severely dry in the southeast to slightly wet in north central 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 2021

August 2021

Mixed temperature anomalies prevailed in the eastern Caribbean for August 2021. Trinidad and St. Thomas were between 0.25 to 0.75 oC warmer; Tobago, Grenada and St. Maarten were between 0 and 0.25 oC warmer; Barbados was between.0.75 oC cooler to 1.50 oC warmer; Saint Lucia was between 0 and 0.25 oC cooler; Martinique was between 0.25 oC cooler to 0.75 oC warmer south to north; Dominica was between 1.50 oC warmer to 0.75 oC cooler south to north; Guadeloupe and St. Croix were between 0.25 to 1.50 oC cooler; Antigua was between 0.25 to 0.75 oC cooler; St. Kitts was predominantly 0.25 cooler to 0.25 oC warmer. In the Guianas, conditions ranged from 0.75 oC cooler to 0.75 oC warmer. Aruba was between 0 to 0.25 oC warmer and Curacao was between 0 and 0.75oC cooler. Puerto Rico was between 0.25 oC warmer to 0.75 oC warmer. Dominican Republic was between 0.25 oC cooler to 0.25 oC warmer. Jamaica was between 0.75 oC warmer to 1.50 oC cooler. Cuba and Northern Bahamas were between 0.25 oC cooler to 0.75 oC warmer. Grand Cayman was between 0 to 0.25 oC cooler. Belize was between 0.75 oC cooler to 1.50 oC warmer.

June to August 2021

Mixed temperature anomalies prevailed in the eastern Caribbean for the period June to August 2021. Trinidad and St. Thomas were between 0.25 to 0.75 oC warmer; Tobago and Grenada were between 0 to 0.25 oC warmer; Barbados and Martinique were between 0.25 oC cooler to 0.75 oC warmer; Saint Lucia was between 0 to 0.75 oC cooler; Dominica was between 0.75 oC warmer to 0.75 oC cooler; Guadeloupe was between 0.25 to 1.50 oC cooler; Antigua and St. Croix were between 0.25 and 0.75 oC cooler; St. Kitts and St. Maarten were between 0 to 0.25 oC cooler;  In the Guianas, conditions ranged from at least 0.75 oC cooler to 0.75 oC warmer. Aruba was between 0 to 0.25 oC warmer and Curacao was between 0.25 and 0.75 oC cooler. Puerto Rico was between 0.75 warmer to 0.25 oC cooler. Dominican Republic was between 0 and 0.75 oC cooler. Jamaica was between 0.75 oC warmer to 1.50 oC cooler. Cuba was between 0.25 oC warmer and 0.25 oC cooler. Grand Cayman was between 0 and 0.25 oC cooler. Northern Bahamas was between 0.75 oC cooler and 0.25 oC warmer. Belize was between 0.75 oC cooler and 1.50 oC warmer.

March to August 2021

Mixed temperature anomalies prevailed in the eastern Caribbean for the period March to August 2021. Trinidad, Tobago, Grenada and St. Maarten were between 0 to 0.25 oC warmer; Barbados and Dominica were between 0.75 oC cooler to 0.75 oC warmer; Saint Lucia, Antigua and St. Croix were between 0 to 0.75 oC cooler; Martinique was between 0.25 oC cooler to 0.75 oC warmer; Guadeloupe was between 0.25 to 0.75 oC cooler; St. Kitts was between 0 and 0.25 oC cooler; St. Thomas was between 0.25 and 0.75 oC warmer. Conditions in the Guianas ranged from 0.75 oC cooler to 0.75 oC warmer. Aruba was between 0 and 0.25 oC warmer. Curacao was between 0.25 and 0.75 oC cooler. Puerto Rico was between 0 and 0.75 oC warmer. Dominican Republic was between 0 to 0.25 oC cooler. Cuba was between 0 and 0.75 oC warmer. Grand Cayman was between 0 and 0.25 oC warmer. Jamaica was between 0.75 oC warmer to 1.50 oC cooler. Northern Bahamas were between 0 and 0.75 oC warmer. Belize was between 0.75 oC cooler to 1.50 oC warmer.

September 2020 to August 2021

Mixed conditions prevailed in the islands of the eastern Caribbean for the Twelve-month period, September 2020 to August 2021. Trinidad was between 0 and 0.75 oC warmer; Tobago, Grenada, and St. Thomas were between 0.25 and 0.75 oC warmer; Barbados and Dominica were between 0.75 oC cooler to 0.75 oC warmer; Saint Lucia was between 0.25 oC warmer to 0.75 oC cooler south to north; Martinique was between 0.25 oC cooler to 0.75 oC warmer; Guadeloupe and Antigua were between 0 to 0.75 oC cooler; St. Kitts was between 0.25 oC cooler to 0.25 oC warmer; St. Maarten was between 0 to 0.25 oC warmer;  St. Croix was between 0.25 oC cooler and 0.25 oC warmer. Conditions in the Guianas ranged from at least 0.75 oC cooler to 0.75 oC warmer. Aruba was between 0 to 0.25 oC warmer and Curacao was between 0 to 0.25 oC cooler. Puerto Rico was between 0 and 0.75 oC warmer. Dominican Republic was between 0 and 0.25 oC warmer. Cuba was predominantly between 0.25 and 0.75 oC warmer with a small section in the east being between 0 and 0.25 oC warmer. Grand Cayman was predominantly between 0 and 0.25 oC warmer with a small section in the west being between 0.25 and 0.75 oC warmer. Jamaica was between 1.50 oC warmer 1.50 oC cooler. Northern Bahamas was between 0.25 to 0.75oC warmer. Belize was between 0 and 1.50 oC warmer.

Mean Temperature for August 2021

Mean Temperature for the Period September 2020 to August 2021

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 2021

    

SPI Monitor August 2021

August 2021

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

June to August 2021

Mixed conditions prevailed over the three month period in the eastern Caribbean. Trinidad ranged from extremely wet to normal west to east; Tobago moderately wet to slightly dry; Grenada very wet; Barbados moderately wet; St Vincent and Saint Lucia slightly wet to normal; Martinique normal to extremely dry; Dominica and Guadeloupe predominantly normal to moderately dry; Antigua slight to moderately dry; St Kitts and St Maarten predominantly normal to slightly dry; St Croix and Anguilla normal and St Thomas slight to moderately wet. Conditions in the Guianas ranged from normal to exceptionally wet. Aruba and Curacao were normal. Puerto Rico ranged from normal to moderately wet from west to east. The Dominican Republic ranged from slightly dry in southern areas to moderately wet in northwestern areas. Jamaica ranged from exceptionally wet in the northwest and southeast to moderately wet in the west and normal in the northeast. Grand Cayman was slight to moderately wet. Cuba ranged from slightly dry in the west to very wet in the extreme east. Northern Bahamas was slight to severely dry and Belize ranged from normal in the west to moderately dry in eastern areas.

March to August 2021

Conditions in the eastern Caribbean were predominantly normal to below normal over the six month period. Trinidad ranged from exceptionally wet to normal west to east; Tobago very wet to normal; Grenada extreme to very wet; Barbados and St Thomas normal to slightly wet; St Vincent, Saint Lucia and Anguilla normal; Martinique and St Maarten normal to severely dry; Dominica moderately dry to normal; Guadeloupe normal to extremely dry; Antigua severe to extremely dry; St Kitts moderately dry and St Croix moderate to slightly dry. Conditions in the Guianas ranged from normal to exceptionally wet. Aruba was normal and Curacao slight to moderately wet. Puerto Rico and the Dominican Republic ranged from moderately wet in the northwest to normal in eastern areas. Jamaica ranged from extremely wet in the south to moderately dry in the extreme west and northeast. Grand Cayman was moderately wet. Cuba was predominantly normal ranging to severely dry in the extreme west and to moderately wet in the extreme eastern tip. Northern Bahamas ranged from slight to exceptionally dry and Belize ranged from normal in the south and western areas to moderately dry in the northeast.

September 2020 to August 2021

Mixed conditions were seen over the twelve month period throughout the eastern Caribbean. Trinidad ranged from exceptionally wet to normal west to east; Tobago and Saint Lucia normal to slightly wet; Grenada moderately wet to normal; Barbados predominantly moderately wet with very wet conditions in the extreme southeast; St Vincent and Antigua slight to moderately dry; Martinique normal to severely dry; Dominica moderately dry to moderately wet; Guadeloupe normal to slightly dry; St Kitts slight to moderately dry; St Maarten moderately dry to normal; Anguilla and St Thomas normal and St Croix severe to moderately dry. Conditions in the Guianas were predominantly exceptionally wet, ranging to normal in the extreme northern coast of Guyana. Aruba was normal and Curacao slight to moderately wet. Puerto Rico was predominantly normal with slightly dry conditions in the extreme southeast. The Dominican Republic was predominantly normal with severely dry conditions in the extreme southwest and slightly wet areas in the northwest. Jamaica ranged from exceptionally wet in the extreme south to moderately dry in the west and normal in northeastern areas. Grand Cayman was predominantly moderately wet with very wet areas in the extreme north. Cuba ranged from normal in the extreme west to extremely wet in the extreme east. Northern Bahamas was predominantly normal, ranging to slightly dry. Belize ranged from moderately dry in the south to extremely wet in the north.

September 2019 to August 2021

Over the two year period, conditions throughout the eastern Caribbean were predominantly normal to below normal. Trinidad moderately wet to slightly dry west to east; Tobago predominantly normal to slightly dry in the east; Grenada, Barbados and St Thomas normal; St Vincent extreme to exceptionally dry; Saint Lucia exceptional to severely dry; Martinique severe to slightly dry; Dominica severely dry to normal; Guadeloupe slight to exceptionally dry; Antigua slight to moderately dry; St Kitts normal to moderately dry; St Maarten moderately dry to normal; Anguilla predominantly normal to slightly wet in the north and St Croix severe to moderately dry. Conditions in the Guianas ranged from slightly dry to exceptionally wet. Aruba and Curacao were normal. Puerto Rico ranged from moderately dry in the west to moderately wet in the northeast. The Dominican Republic ranged from exceptionally dry in central areas to normal in the west and east. Jamaica was predominantly normal ranging to moderately dry in the west, very wet in the southeast and slightly wet in the northwest. Grand Cayman was normal. Cuba was predominantly normal ranging to moderately wet in the west and to slightly wet in the east and extreme north. Northern Bahamas ranged from moderately wet to extremely dry and Belize ranged from extremely dry in a small area in the west to slightly wet in central Belize.

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.