SPEI September 2023

    

SPI Monitor November 2023

November 2023

Normal to below normal conditions were seen throughout most of the islands of the eastern Caribbean during the month of November. Trinidad, Tobago, Grenada, Barbados, St Vincent and Saint Lucia normal; Martinique mostly slightly dry to normal; Dominica mostly normal to slightly dry; Guadeloupe moderate to exceptionally dry; Antigua extremely dry; St Kitts slight to moderately dry; St Maarten and Anguilla moderately dry; St Croix and St Thomas normal to slightly wet. In the Guianas, conditions ranged from exceptionally dry in northern Suriname to very wet on the northern coastline of French Guiana and to moderately wet in southwestern Guyana.  Aruba was very wet and Curacao moderate to slightly wet. Puerto Rico ranged from exceptionally dry in the south to very wet in the extreme northwest. Hispaniola was predominantly wetter than usual, ranging from normal in northwestern areas to exceptionally wet in eastern areas. Jamaica ranged from exceptionally wet in the south to very wet in the northwest. Grand Cayman was moderately wet. Cuba ranged from very wet in the extreme west to normal in the east. Northern Bahamas ranged from moderate to extremely wet and Belize was exceptional to very wet.

September to November 2023

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

 

June to November 2023

Over the six month period conditions throughout the eastern Caribbean were mostly normal to below normal. Trinidad, Tobago and Grenada moderately dry; Barbados normal in the west to predominantly slightly wet; St Vincent moderate to slightly dry; Saint Lucia, Martinique, Dominica, Guadeloupe, Antigua, St Kitts, St Maarten, St Croix and St Thomas normal and Anguilla predominantly normal to slightly wet. Conditions in the Guianas ranged from extremely wet in southern Guyana to exceptionally dry in northern Guyana and most of French Guiana. Aruba and curacao were normal. Puerto Rico ranged from extremely dry in the south to slightly wet in the extreme northwest. Hispaniola ranged from normal in Haiti to extremely wet in northeastern Dominican Republic. Jamaica was normal. Grand Cayman was slightly dry. Cuba was mostly wet, ranging from exceptionally wet in the west to normal in the east. Northern Bahamas ranged from moderate to extremely wet and Belize ranged from slightly dry to slightly wet south to north.

 

 

December 2022 to November 2023

Conditions throughout the twelve month period in the eastern Caribbean were normal to below normal. Trinidad, Barbados, Martinique and St Thomas slight to moderately dry; Tobago severely dry; Grenada severe to extremely dry; St Vincent severe to moderately dry; Saint Lucia and St Kitts slightly dry to mostly normal; Dominica, Guadeloupe and Antigua normal; St Maarten and Anguilla slightly dry and St Croix moderately dry. In the Guianas, conditions ranged from very wet in southwestern Guyana to extremely dry in southeastern French Guiana. Aruba and Curacao were normal. Puerto Rico ranged from severely dry in the south to normal in the northwest. Hispaniola ranged from moderately dry in western Haiti to moderately wet in eastern areas of the Dominican Republic. Jamaica and Grand Cayman were normal. Cuba ranged from exceptionally wet in the west to severely dry in the east. Northern Bahamas ranged from normal to extremely wet and Belize was moderately wet in the south ranging to severely dry in the north.

 

 

December 2021 to November 2023

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

SPI Monitor October 2023

October 2023

Mixed conditions were seen throughout the islands of the eastern Caribbean during the month of October, with normal to above normal rainfall in the north of the chain and normal to below normal rainfall in the south. Trinidad was moderate to exceptionally dry; Tobago exceptionally dry; Grenada extreme to severely dry; Barbados, Martinique, St Maarten, Anguilla and St Thomas normal; St Vincent slightly dry in the south to predominantly normal; Saint Lucia and St Croix normal to slightly wet; Dominica extreme to predominantly exceptionally wet; Guadeloupe exceptional to slightly wet; Antigua extremely wet and St Kitts exceptional to moderately wet. In the Guianas, conditions ranged from moderately wet in western areas of Guyana to extremely dry in northern French Guiana. Aruba was slightly wet and Curacao was normal. Puerto Rico ranged from exceptionally dry in the south to normal in the northwest and eastern areas. Hispaniola ranged from exceptionally dry in central areas of the Dominican Republic to moderately dry in western areas of Haiti to moderately wet in the extreme east of the Dominican Republic. Jamaica was normal. Grand Cayman was slightly wet. Cuba ranged from moderately wet in western areas to moderately dry in the extreme east. Northern Bahamas was predominantly normal ranging to slightly wet and Belize was normal in the south ranging to extremely dry in northern areas.

August to October 2023

Over the three month period mixed conditions were seen throughout the islands of the eastern Caribbean, with normal to above normal rainfall in the north of the chain and normal to below normal rainfall in the south. Trinidad ranged from slight to severely dry; Tobago severely dry; Grenada and Barbados moderate to slightly dry; St Vincent and St Thomas slightly dry to predominantly normal; Saint Lucia, Martinique, St Maarten and Anguilla normal; Dominica predominantly slightly wet ranging to normal in the south and moderately wet in the extreme north; Guadeloupe and St Kitts slight to moderately wet; Antigua moderately wet and St Croix slightly dry. Conditions in the Guianas ranged from exceptionally dry in northern areas of Guyana, French Guiana and central Suriname to very wet in the extreme northwest of French Guiana. Aruba and Curacao were normal. Puerto Rico ranged from severely dry in the south to normal in northern areas. Hispaniola ranged from normal in Haiti to extremely wet in the northern coastal areas of the Dominican Republic. Jamaica was slightly dry. Grand Cayman was slightly wet. Cuba ranged from exceptionally wet in the west to slightly dry in the southeast. Northern Bahamas was normal and Belize ranged from normal in the south to extremely dry in the northeast.

 

May to October 2023

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

 

November 2022 to October 2023

Predominantly normal to below normal rainfall occurred over the twelve month period throughout the eastern Caribbean. Trinidad was slight to severely dry; Tobago severely dry; Grenada severe to extremely dry; Barbados moderate to slightly dry; St Vincent severe to moderately dry; Saint Lucia, Martinique, Dominica, Guadeloupe, St Kitts, St Maarten and Anguilla normal; Antigua normal to slightly wet, St Croix moderately dry and St Thomas slightly dry. In the Guianas, conditions ranged from exceptionally wet in most of Guyana and western Suriname to moderately dry in northern Suriname and southeast French Guiana. Aruba and Curacao were normal. Puerto Rico was predominantly moderately dry, ranging to slightly dry in the northwest and to severely dry in the south. Hispaniola ranged from severely dry in northwestern Haiti to moderately wet on the northeastern coast of the Dominican Republic. Jamaica ranged from extremely dry in the west to normal in the east. Grand Cayman was slight to moderately dry. Cuba was exceptionally wet in the west ranging to severely dry in the extreme east. Northern Bahamas ranged from normal to extremely wet and Belize was mostly normal ranging to severely dry in the north.

 

November 2021 to October 2023

Apart from Trinidad that was predominantly slightly wet, predominantly normal to below normal conditions prevailed over the two year period throughout the eastern Caribbean. Tobago, Grenada, St Vincent, Saint Lucia, Dominica, Guadeloupe, Anguilla and St Thomas were normal; Barbados and St Croix moderately dry; Martinique slightly dry; Antigua slightly dry to predominantly normal; St Kitts moderate to severely dry; St Maarten moderately dry to normal and St Croix moderately dry. In the Guianas, conditions ranged from exceptionally wet in most of Guyana and the northern portion of French Guiana ranging to moderately dry in the northern areas of Suriname. Aruba was normal and Curacao was normal to predominantly slightly wet. Puerto Rico ranged from moderately dry in southern areas to mostly normal. Hispaniola ranged from exceptionally wet in Haiti and northern areas of the Dominican Republic to normal in the extreme east of the Dominican Republic. Jamaica ranged from exceptionally dry in the extreme west to extremely wet on the northeastern coastline. Grand Cayman was normal. Cuba ranged was mostly exceptionally wet ranging to moderately dry in the northwest. Northern Bahamas was exceptionally wet and Belize ranged from moderately dry in the south to slightly wet in the extreme 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 2023

September 2023

Temperature anomalies for September 2023 were warmer than usual throughout the eastern Caribbean. Trinidad ranged from over 2.50 o C warmer in the southwest to predominantly between 1.50 to 2.50 o C warmer; Tobago and St Croix were between 0.75 and 2.50 o C warmer; Grenada, Dominica, Guadeloupe,  St Kitts, St Maarten and St Thomas were between 0.75 to 1.50 o C warmer; Barbados was between 1.50 to 2.50 o C warmer; Saint Lucia was between 0.25 to 1.50 o C warmer south to north; Martinique was predominantly between 0.75 to 1.50 o C warmer with the extreme eastern tip  ranging to 2.50 o C warmer; Antigua was between 0.25 and 0.75 o C warmer. Temperatures in the Guianas ranged from 0.75 to over 2.50 o C warmer in southwest French Guiana. Aruba and Curacao were between 0.75 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 to 1.50 o C warmer. Jamaica ranged from 1.50 o C warmer in the west to predominantly between 0.25 and 0.75 o C warmer. Northern Bahamas was 0.25 to 0.75 o C warmer and Belize ranged from 1.50 to 0.25o C warmer south to north.

 

July to September 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, St Maarten and St Thomas were between 0.75 to 1.50 o C warmer; Saint Lucia, Guadeloupe, Antigua and St Kitts were between 0.25 to 0.75 o C warmer; Martinique, Dominica and St Croix were between 0.25 and 1.50 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 to 2.50 o C warmer. The Dominican Republic was between 0.25 and 1.50 o C warmer. Jamaica was between and 2.50 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 1.50 o C warmer. Belize was predominantly between 0.75 to 1.50 o C warmer ranging to 0.25 o C warmer.

 

 

April to September 2023

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

 

 

October 2022 to September 2023

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

 

Mean Temperature for September 2023

Mean Temperature for the Period October 2022 to September 2023