October 2018

Rainfall totals in the islands of the eastern Caribbean were mixed, with many above and below normal amounts. Trinidad ranged from very to extremely wet; Tobago extreme to exceptionally wet; Grenada and St. Vincent moderately wet; Barbados slight to moderately dry; St. Lucia and St. Kitts normal; Martinique normal to exceptionally dry; Dominica and Guadeloupe normal to moderately dry; Antigua moderately dry; and Anguilla and St. Maarten slightly wet. Conditions in the Guianas ranged from very wet in southern Guyana to exceptionally dry in northern and southeastern French Guiana. Aruba was slightly wet, while Curacao was very to extremely wet. Puerto Rico was predominantly normal, but Hispaniola ranged from normal in northeastern Dominican Republic to extremely dry ion the south. Conditions in Jamaica ranged from moderately dry in the northwest to moderately wet in the southeast, but Grand Cayman was moderately dry. Cuba ranged from moderately dry to extremely wet, while northern Bahamas was normal to moderately dry. Belize ranged from slightly dry in the southeast to very wet near central areas.

August to October 2018

For the three month period, mixed rainfall totals were experienced relative to normal. Trinidad was moderate to extremely wet from north to south; Tobago normal to very wet from west to east; Grenada moderately wet; Barbados normal to very wet from north to southeast; St. Vincent, St. Kitts, Anguilla and St. Maarten normal; St. Lucia normal to moderately dry; Martinique normal to extremely dry; Dominica normal to moderately dry; Guadeloupe normal to severely dry; and Antigua slightly dry. Conditions in the Guianas ranged from moderately wet in the north and south of Guyana to severely dry in northeastern and southeastern French Guiana. Aruba was normal, but Curacao was moderately wet. Puerto Rico was predominantly normal but Hispaniola from normal in eastern Dominican Republic to exceptionally dry in the south. Conditions in Jamaica ranged from extremely dry in the northwest to moderately wet in the east, but Grand Cayman was normal. Cuba ranged from extremely dry to moderately wet, but northern Bahamas was slight to extremely dry. Conditions in Belize ranged from severely dry in the southeast to very wet in the south.

 

May to October 2018

Normal to below normal conditions dominated the islands of the eastern Caribbean over the six month period, with the exception of Trinidad and Tobago. Trinidad was slightly dry to very wet from north to south, Tobago moderately dry to slightly wet from west to east; Grenada and St. Kitts normal; Barbados severely dry to normal from northwest to southeast; St. Vincent normal to slightly dry; St. Lucia slight to extremely dry from north to south; Martinique slight to extremely dry from south to north; Dominica slight to moderately dry; Guadeloupe normal to extremely dry from west to east; Antigua moderate to severely dry; and St. marten moderately dry. Conditions in the Guianas ranged from exceptionally wet in southern Guyana to normal in northern Guyana and much of Suriname and most of French Guiana. Aruba was normal, but Curacao slight to moderately wet. Puerto Rico was slight to moderately dry, but Hispaniola from slightly dry in northern to eastern Dominican Republic to exceptionally dry in the south. Conditions in Jamaica ranged from extremely dry in the northwest to moderately wet in the east. Cuba was predominantly normal but with areas of above normal rainfall in the extreme west and south and below normal in the southeast; but northern Bahamas was normal. Conditions in Belize ranged from normal in the south to extremely dry in the north.

November 2017 to October 2018

For the twelve month period, mixed rainfall conditions were experienced in the islands of the eastern Caribbean. Trinidad ranged from normal in the north to extremely wet in the south; Tobago from slightly dry to moderately wet; Grenada and Dominica normal; Barbados moderately dry to normal from northwest to southeast; St. Lucia and Martinique normal to moderately dry; Guadeloupe normal to exceptionally dry; Antigua moderate to extremely dry; St. Kitts slightly dry; and St. Maarten moderately dry. The Guianas were normal to moderately wet. Aruba was slightly dry, but Curacao normal to slightly wet. Puerto Rico was normal, whereas Hispaniola ranged from predominantly normal in the north, to slight to moderately wet in the extreme northwest and southwest, slight to exceptionally dry in the south, and slightly wet in the extreme northeast. Jamaica ranged from slightly dry in the southwest to exceptionally wet in the east, and slightly wet in the extreme west; but Grand Cayman was slightly dry. The majority of Cuba was normal, with the east being slight to moderately wet and some west-central areas being slightly dry. Northern Bahamas ranged from slightly dry to slightly to slightly wet, while Belize ranged from normal to moderately dry in the north, and to severely dry in the
southeast.

November 2016 to October 2018

 

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.