SPI Monitor November 2021

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November 2021

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

September to November 2021

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

June to November 2021

Predominantly normal to below normal conditions were seen throughout the eastern Caribbean over the six month period. Trinidad ranged from moderately wet in the west to slightly dry in the northeast; Tobago normal to extremely dry; Grenada, St Thomas and Anguilla normal; Barbados, St Vincent and St Maarten normal to moderately dry; Saint Lucia, Dominica and St Croix moderately dry; Martinique moderate to severely dry; Guadeloupe moderate to exceptionally dry; Antigua extreme to exceptionally dry and St Kitts slight to moderately dry. Conditions in the Guianas ranged from slight to exceptionally wet. Aruba was slightly dry and Curacao was normal. Puerto Rico was predominantly normal apart from the extreme southwest that was slightly dry. Hispaniola was predominantly normal, ranging to severely dry in southern areas. Jamaica ranged from normal in southern, western and northeastern areas to extremely wet in the extreme northwest and to moderately dry in the east.  Grand Cayman was normal. Cuba was predominantly normal, ranging to exceptionally dry in the west and to moderately wet in the extreme southeast. Northern Bahamas ranged from normal to severely dry and Belize from severely dry in the southeast and extreme north to normal in the west.

December 2020 to November 2021

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

December 2019 to November 2021

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

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 October 2021

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SPI Monitor October 2021

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October 2021

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

August to October 2021

Normal to below normal conditions were dominant throughout the eastern Caribbean over the three month period. Trinidad normal to extremely wet southeast to northwest; Tobago very wet to moderately dry; Grenada, St Kitts and St Croix normal to slightly dry; Barbados, Dominica and St Maarten moderately dry to normal; St Vincent, Saint Lucia and St Thomas normal; Martinique slight to severely dry; Guadeloupe slight to extremely dry; Antigua moderate to severely dry on the eastern border; Anguilla 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 severely dry to normal from west to east. Hispaniola ranged from slightly wet on the northern border of Haiti/ Dominican Republic to extremely dry in southeastern Dominican Republic. Jamaica ranged from moderately wet in the south to normal elsewhere. Grand Cayman was normal. Cuba ranged from exceptionally dry in the west to normal in the east and southwest. Northern Bahamas ranged from moderately wet to exceptionally dry and Belize ranged from normal in the extreme west and east to severely dry in the north.

May to October 2021

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

November 2020 to October 2021

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

November 2019 to October 2021

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

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September 2021

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

July to September 2021

 

Mixed temperature anomalies prevailed in the eastern Caribbean for the period July to September 2021. Trinidad and St. Thomas were between 0.25 to 0.75 oC warmer; Tobago and Grenada, Martinique and St. Maarten were between 0 to 0.75 oC warmer; Barbados was between 0.25 oC cooler to 1.50 oC warmer; Saint Lucia was between 0 to 0.25 oC warmer; Dominica was between 0.75 oC warmer to 0.75 oC cooler; Guadeloupe was between 0.25 to 0.75 oC cooler; Antigua and St. Croix were between 0.25 and 0.75 oC cooler; St. Kitts was between 0.25 oC cooler to 0.25 oC warmer.  Conditions in the Guianas were predominantly between 0.25 to 0.75 oC warmer ranging to 0.25 oC cooler. Aruba was between 0 to 0.75 oC warmer and Curacao was between 0 and 0.25 oC cooler. Puerto Rico was between 0.25 to 0.75 oC warmer. Dominican Republic was predominantly between 0 and 0.25 oC cooler and ranged up to 0.25 oC warmer. 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 warmer. 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.

April to September 2021

Mixed temperature anomalies prevailed in the eastern Caribbean for the period April to September 2021. Trinidad was predominantly between 0.25 to 0.75 oC warmer with the southwest ranging between 0 and 0.25 oC warmer; Tobago, Grenada and St. Maarten were between 0 to 0.25 oC warmer; Barbados and Martinique were between 0.25 oC cooler to 0.75 oC warmer; and Dominica was between 1.50 oC warmer to 0.75 oC cooler; Saint Lucia, Antigua and St. Croix were between 0 to 0.75 oC cooler; Guadeloupe was between 0.25 to 0.75 oC cooler; St. Kitts was predominantly between 0 and 0.25 oC cooler and ranged up to 0.25 oC warmer; 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 predominantly between 0 and 0.25 oC warmer ranging up to 0.75 oC warmer in the extreme western tip. 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 0.75 oC cooler to 0.25 oC warmer. Belize was between 0.75 oC cooler to 1.50 oC warmer.

October 2020 to September 2021

Mixed conditions prevailed in the islands of the eastern Caribbean for the Twelve-month period, October 2020 to September 2021. Trinidad was predominantly between 0.25 to 0.75 oC warmer with the southwest ranging between 0 and 0.25 oC warmer; Tobago and St. Thomas were between 0.25 and 0.75 oC warmer; Grenada was between 0 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 0.75 oC cooler. Puerto Rico was predominantly between 0.25 to 0.75 oC warmer with the northeast ranging between 0 and 0.25 oC warmer. Dominican Republic was between 0 and 0.25 oC warmer. Cuba was predominantly between 0.25 and 0.75 oC warmer with 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 and 0.75 oC warmer. Belize was between 0.25 oC cooler to 1.50 oC warmer.

Mean Temperature for September 2021

Mean Temperature for the Period October 2020 to September 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 September 2021

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