SPI Monitor December 2023

December 2023

Predominantly normal to below normal conditions were seen throughout the islands of the eastern Caribbean during the month of December. Trinidad predominantly normal ranging to slightly wet in the south and to moderately dry in the extreme northeast; Tobago severe to slightly dry; Grenada and St Croix moderately dry; Barbados extremely wet; St. Vincent mostly normal to slightly wet; Saint Lucia moderately wet to normal in the extreme north; Martinique, St Maarten and St Thomas normal to slightly dry; Dominica and Guadeloupe moderate to slightly dry; Antigua severely dry and St Kitts severe to moderately dry, Anguilla was normal. In the Guianas, conditions ranged from extremely dry in northern Guyana to extremely wet on the northern Suriname/ French Guiana border. Aruba and Curacao were normal. Puerto Rico ranged from exceptionally dry in the extreme southwest to normal in northern areas. Hispaniola was slightly wet in most of Haiti, then ranging from moderately wet to extremely dry in the Dominican Republic. Jamaica ranged from normal to moderately dry west to east. Grand Cayman was moderately wet. Cuba ranged from exceptionally wet in northern areas to very wet in the extreme west and to normal in the extreme east. Northern Bahamas ranged from exceptional to very wet, and Belize from exceptionally wet in the west to normal in the north and to moderately wet in the south.

October to December 2023

Rainfall was mixed across the eastern Caribbean over the three month period. Trinidad, Martinique, St Maarten and Anguilla slight to moderately dry; Tobago and Grenada moderately dry; Barbados slightly wet; St Vincent slightly dry to normal; Saint Lucia, Antigua, St Croix and St Thomas normal; Dominica moderate to extremely wet; Guadeloupe moderately wet to predominantly normal and St Kitts slightly wet to normal. In the Guianas, conditions ranged from exceptionally dry  northern Guyana to north-western Suriname  to exceptionally wet on the northern Suriname/ French Guiana border. Aruba was mostly slightly wet ranging to normal. Curacao was normal. Puerto Rico was exceptionally dry in the south ranging to normal in northwest. Hispaniola was predominantly normal ranging to slightly dry in northwestern Haiti and to moderately wet in eastern areas of the Dominican Republic. Jamaica was predominantly moderately wet ranging to slightly wet in the extreme northeast. Grand Cayman was moderately wet. Cuba was extremely wet in the west ranging to moderately dry in the extreme east.  Northern Bahamas ranged from moderate to very wet. Belize ranged from exceptionally wet in the south to normal in the north.

July to December 2023

Normal to below normal conditions prevailed over the six month period throughout the eastern Caribbean. Trinidad severe to mostly exceptionally dry; Tobago exceptionally dry; Grenada extremely dry on the southeastern coastline ranging to predominantly severely dry; Barbados, Saint Lucia, Martinique, Dominica, Guadeloupe, Antigua ad St Kitts normal; St Vincent mostly slightly dry ranging to normal in the north; St Maarten and Anguilla moderately dry; St Croix moderate to slightly dry and St Thomas slightly dry. In the Guianas, conditions ranged from exceptionally dry to exceptionally wet. Aruba and Curacao were normal. Puerto Rico ranged from exceptionally dry in the south to normal in northwestern areas. Hispaniola ranged from normal in western areas of Haiti to exceptionally wet in the extreme northeast of the Dominican Republic. Jamaica was normal. Grand Cayman ranged from moderate to slightly wet. Cuba was exceptionally wet to normal west to east. Northern Bahamas ranged from slight to moderately wet, and Belize was extremely wet to normal south to north.

January to December 2023

Normal to below normal conditions were seen throughout the eastern Caribbean over the twelve month period. Trinidad and St Maarten normal to slightly dry; Tobago slightly dry; Grenada, Barbados, St Vincent, Saint Lucia, Martinique, Anguilla and St Thomas normal; Dominica was predominantly moderately dry, ranging from slight to severely dry; Guadeloupe, Antigua and St Kitts severe to extremely dry and St Croix severe to predominantly moderately dry. Mostly normal conditions were experienced in the Guianas, ranging from moderately wet to severely dry. Aruba was mostly slightly dry to normal. Curacao was normal. Puerto Rico ranged from severely dry to normal. Hispaniola ranged from very wet in the south to normal to the east and slightly wet in southwestern Haiti. Jamaica was normal. Grand Cayman was mostly normal ranging to slightly dry in the east. Cuba ranged from extremely dry in west central areas to exceptionally wet in the west and to moderately wet in the east. Northern Bahamas ranged from moderate to exceptionally wet and Belize ranged from slightly dry in the south to moderately wet in the extreme north.

January 2022 to December 2023

Mostly normal to below normal conditions were seen over the two year period throughout the eastern Caribbean. Trinidad, Tobago, Barbados, Martinique, Dominica and St Thomas were normal; Grenada and Saint Lucia normal to slightly wet; St Vincent slightly wet; Guadeloupe normal to moderately dry; Antigua slightly dry to normal; St Kitts and St. Maarten slight to moderately dry; Anguilla slightly dry and St Croix moderately dry. In the Guianas, conditions ranged from exceptionally wet in southern and northern Guyana, as well as northern French Guiana to moderately dry in northcentral Suriname. Aruba was slightly wet and Curacao was normal. Puerto Rico ranged from moderately dry in the south to slightly wet in the north. Hispaniola ranged from moderately dry in the extreme west of Haiti to moderately wet in northeastern Dominican Republic. Jamaica was mostly normal ranging to slightly dry in the extreme northeast. Grand Cayman was normal. Cuba ranged from exceptionally wet in the west to severely dry in the east. Northern Bahamas ranged from extremely wet to normal, and Belize from extremely wet in the extreme south to moderately 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.

Mean Temperature Anomalies November 2023

November 2023

Temperature anomalies for November 2023 were predominantly warmer than usual throughout the eastern Caribbean. Trinidad was predominantly between 1.50 to 2.50 oC warmer ranging to 0.75 o C  warmer in the northeast; Tobago, Grenada, Saint Lucia, Barbados, Martinique and Dominica were between 0.75 to 1.50 o C warmer; Guadeloupe and St Thomas were between 0.25 and 0.75 o C warmer; Antigua, St Kitts and St Croix were between 0.25 o C cooler to 0.25 o C warmer; St Maarten was between 0 and 0.25 oC warmer; Temperatures in the Guianas ranged from 0.25 oC cooler in southern Suriname and southwestern French Guiana  to over 2.50 o C warmer. Aruba was between 0.25 and 0.75 oC warmer and Curacao between 0 and 0.75 oC warmer. Puerto Rico was between 0.25 oC cooler to 2.50 oC warmer. The Dominican Republic was between 0.25 to 1.50 o C warmer. Jamaica ranged from 2.50 to 1.50 oC warmer west to east. Grand Cayman was between 0.75 to 1.50 oC warmer. Northern Bahamas was 0 to 1.50 oC warmer and Belize was predominantly between 0.25 to 0.75 oC ranging to 1.50 oC warmer in the north.

September to November 2023

Temperature anomalies were predominantly warmer than usual over the three-month period throughout the eastern Caribbean. Trinidad was between 0.75 and 2.50 o C warmer; Tobago was between 1.50 to 2.50 o C warmer; Grenada, Barbados, Martinique, Dominica, Guadeloupe, Antigua, St Kitts, St Maarten and St Croix, were between 0.75 to 1.50 o C warmer; Saint Lucia was between 0.25 to 0.75 o C, St Thomas ranged from 0.25 o C warmer to predominantly between 0.75 and 1.50 o C warmer. The Guianas ranged from 0.75 to 2.50 o C warmer. Aruba was between 0.25 to 0.75 o C warmer and Curacao between 0.25 and 1.50 o C warmer. Puerto Rico was between 0 to 2.50 o C warmer. The Dominican Republic and Grand Cayman were between 0.75 o C and 1.50 o C warmer. Northern Bahamas was between 0 and 2.50 o C warmer. Belize was between 0.75 to 1.50 o C warmer.

June to November 2023

Temperature anomalies were warmer than usual for June to November 2023 throughout the eastern Caribbean. Trinidad ranged from 2.50 o C warmer to predominantly between 0.75 and 1.50 o C warmer; Tobago, Grenada, Barbados, , Martinique, Dominica, Guadeloupe, Antigua, St Kitts, St Maarten, St Thomas and St. Croix were between 0.75 to 1.50 o C warmer.  Saint Lucia was predominantly between 0.25 o C and 0.75 o C ranging to 1.50 o C in the extreme north. The Guianas ranged from 0.75 o C to 2.50 o C warmer. Aruba and Curacao were between 0.25 and 0.75 o C warmer; Puerto Rico ranged from 0.75 o C warmer to predominantly between 1.50 and 2.50 o C warmer. The Dominican Republic ranged from 1.50 o C warmer to predominantly between 0.25 and 0.75 o C warmer. Jamaica was between 0.75 to 2.50 o C warmer; Grand Cayman was between 0.75 and 1.50 o C. Northern Bahamas ranged from 2.50 o C warmer to 0.25 o C cooler. Belize was between 0.75 o C and 2.50 o C warmer.

December 2022 to November 2023

Temperature anomalies were predominantly warmer than usual over the three-month period throughout the eastern Caribbean. Trinidad was predominantly between 0.75 to 1.50 o C ranging to 0.25 o C warmer in the northeast; Tobago, Grenada, Barbados, Dominica, Guadeloupe, Antigua, St Kitts, St Maarten, and St Croix were between 0.25 to 0.75 o C warmer; Saint Lucia was between 0 to 0.25 o C warmer; Martinique was between 0  and 0.75 o C warmer; St Thomas was predominantly  between 0.25 o C  and 0.75 o C ranging to 1.50 o C warmer. The Guianas were between 0.25 to 1.50 o C warmer. Aruba and Curacao were between 0.25 and 0.75 o C warmer. Puerto Rico was between 0 and 1.50 o C warmer. The Dominican Republic was between 0.25 and 0.75 o C warmer. Jamaica and Grand Cayman were between 0.75 o C and 1.50 o C warmer. Northern Bahamas and Belize   were between 0.25 and 2.50 o C warmer.

Mean Temperature for November 2023

Mean Temperature for the Period December 2022 to November 2023

Mean Temperature Anomalies October 2023

October 2023

Temperature anomalies for October 2023 were warmer than usual throughout the eastern Caribbean. Trinidad and Tobago ranged from 1.50 to 2.50 o C warmer; Grenada was between 2.50 to 0.75 o C warmer south to north, Barbados and Martinique were between 0.75 to 1.50 o C warmer; Saint Lucia and Guadeloupe were predominantly between 0.25 and 0.75 o C warmer, ranging to 1.50 o C warmer; Dominica was predominantly between 0.75 to 1.50 warmer, ranging to 0.25 warmer in the north; Antigua, St Kitts, St Maarten and St Thomas were between 0.25 and 0.75 o C warmer; St Croix was between 0.25 o C cooler to 0.25 o C warmer. Temperatures in the Guianas ranged from 0.75 to over 2.50 o C warmer. Aruba and Curacao were between 0.25 and 0.75 o C warmer. Puerto Rico was between 0.25 o C cooler to 2.50 o C warmer. The Dominican Republic and Grand Cayman were between 0.75 to 1.50 o C warmer. Jamaica ranged from 0.75 o C warmer to 0.75 o C cooler west to east. Northern Bahamas was   0 o C to 2.50 o C warmer and Belize was between from  0.75 o C to 2.50 o C warmer.

August to October 2023

Temperature anomalies were predominantly warmer than usual over the three-month period throughout the eastern Caribbean. Trinidad and Tobago were between 1.50 and 2.50 o C warmer; Grenada, Barbados, Martinique, St Maarten, St Thomas and St Croix were between 0.75 to 1.50 o C warmer; Saint Lucia was between 0.25 to 1.50 o C, Dominica was predominantly between 0.75 to 1.50 o C ranging to 0.25 o C warmer in the north; Guadeloupe was predominantly between 0.25 to 0.75 o C ranging to 1.50 o C in the east; Antigua and St Kitts were between 0.25 to 0.75 o C warmer. The Guianas were between 0.75 to 2.50 o C warmer. Aruba and Curacao were between 0.25 and 0.75 o C warmer. Puerto Rico was between 0.75 to 2.50 o C warmer. The Dominican Republic was between 0.25 and 1.50 o C warmer. Jamaica was between and 0 and 0.75 o C warmer. Grand Cayman was between 0.75 o C and 1.50 o C warmer. Northern Bahamas was between 0.25 and 2.50 o C warmer. Belize was between 0.75 to 2.50 o C warmer.

May to October 2023

Temperature anomalies were warmer than usual for May to October 2023 throughout the eastern Caribbean. Trinidad was between 0.75 to 2.50 o C; Tobago, Barbados, Grenada, Martinique, Dominica and St Thomas were between 0.75 to 1.50 o C warmer; Saint Lucia and Antigua were between 0.25 to 1.50 o C warmer; , Guadeloupe and St. Croix ranged from 0.25 o C to predominantly between 0.75 and 1.50 o C warmer; St Kitts and St Maarten were between 0.25 to 0.75 o C warmer; The Guianas were predominantly between 0.75 to 1.50 o C warmer ranging ton 2.50 o C. Aruba was 0.25 o C to 0.75 o C warmer; Curacao ranged from 1.50 o C to predominantly between 0.25 and  0.75o C warmer. Puerto Rico was between 0.75 to 2.50 o C warmer. The Dominican Republic was predominantly between 0.25 to 0.75 o C warmer ranging to 1.50 o C warmer. Jamaica was between 0.75 to 0.25 o C cooler; Grand Cayman were between 0.75 and 1.50 o C warmer. Northern Bahamas ranged from 1.50 o C warmer to 0.25 o C cooler . Belize was between 0.75 and 2.50 o C warmer.

November 2022 to October 2023

Temperature anomalies were predominantly warmer than usual over the twelve-month period throughout the eastern Caribbean. Trinidad was between 0.75 to 1.50 o C warmer; Tobago was predominantly between 0.75 to 1.50 o C warmer, ranging to 0.25 o C warmer. Grenada, Barbados, Dominica, Guadeloupe, Antigua, St Kitts and St Maarten were between 0.25 to 0.75 o C warmer; Saint Lucia was predominantly between 0 o C to 0.25 o C cooler ranging to 0.25 o C warmer; Martinique was between 0 and 0.75 o C warmer; St Thomas was between 0.75 and 1.50 o C warmer; St Croix was between 1.50 to 0.25 o C warmer west to east. The Guianas were between 0.25 to 1.50 o C warmer. Aruba and Curacao were between 0.25 and 0.75 o C warmer. Puerto Rico was between 0.25 o C cooler to 1.50 o C warmer west to east. The Dominican Republic ranged from 0 to 0.75 o C warmer. Jamaica and Grand Cayman were between 0.75 and 1.50 o C warmer. Northern Bahamas was between 0.25 o C and 2.50 o C warmer and Belize was between 0.25 to  2.50 o C warmer.

Mean Temperature for October 2023

Mean Temperature for the Period November 2022 to October 2023

SPEI November 2023

    

SPEI October 2023

    

SPEI September 2023