SPI Monitor October 2021

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.