SPI Monitor October 2020

October 2020

The islands of the eastern Caribbean were predominantly normal to above normal during the month of October. Trinidad ranged from normal in the southeast to very wet in the northwest; Tobago slightly wet; Grenada and St Vincent normal to slightly wet; Barbados extremely wet in the south to slightly wet in the north; Saint Lucia moderately wet; Martinique and Dominica moderate to very wet; Guadeloupe moderately wet to normal; Antigua, St Kitts, St Croix and St Thomas normal; and St Maarten moderate to exceptionally wet. In the Guianas, conditions ranged from exceptionally dry in southwestern Guyana and from severely dry in northern Suriname, to exceptionally wet in northeastern Guyana and very wet on the southern Suriname/ French Guiana border. Aruba was moderately wet and Curacao normal. Puerto Rico ranged from slightly dry in the west to normal in the east. Hispaniola ranged from extremely dry on the central border of Haiti and the Dominican Republic to normal in eastern areas and in the extreme southwest. Jamaica ranged from exceptionally wet in the extreme south to normal in the extreme west and northeastern areas. Grand Cayman was moderately wet. Cuba ranged from exceptionally wet in the extreme west to slightly dry in the southeast. Northern Bahamas ranged from moderate to extremely wet. Belize was predominantly normal with slightly wet areas in the southeast and extreme north.

August to October 2020

Conditions in the eastern Caribbean were mostly normal to above normal over the three month period. Trinidad ranged from extremely dry in the southeast to exceptionally wet in the northwest; Tobago, Martinique and Dominica normal to slightly wet; Grenada normal to slightly dry; St Vincent, Saint Lucia, Guadeloupe, Antigua, St Kitts, St Croix and St Thomas normal; Barbados extremely wet in the south to moderately wet in the north; St Maarten moderate to slightly wet west to east. In the Guianas, conditions ranged from moderately dry in southwest Guyana and severely dry in northeastern French Guiana to extremely wet in northern French Guiana. Aruba slightly wet and Curacao predominantly normal with slightly dry areas in the southeast. Puerto Rico ranged from severely dry in the west to normal in the east. Hispaniola was predominantly normal ranging to moderately dry in northern Dominican Republic. Jamaica ranged from very wet in southern areas to slightly dry in the west and normal in the northeast. Grand Cayman was moderately wet. Cuba ranged from extremely wet in the west to normal in the east. Northern Bahamas ranged from normal to exceptionally wet and Belize was moderately dry in the south to normal in the north.

May to October 2020

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

November 2019 to October 2020

Normal to below normal conditions prevailed throughout the eastern Caribbean over the twelve month period. Trinidad and Guadeloupe ranged from severely dry to normal; Tobago and Grenada slight to moderately dry; Barbados, Antigua, St Kitts, St Maarten, Anguilla and St Thomas normal; St Vincent extreme to severely dry; Saint Lucia moderate to exceptionally dry; Martinique slight to severely dry; Dominica normal to slightly dry; St Croix slightly dry. In the Guianas, conditions ranged from predominantly normal to extremely dry in northern Guyana, to exceptionally dry in northwestern French Guiana and to moderately wet in northeastern French Guiana. Aruba was normal and curacao moderately dry. Puerto Rico ranged from severely dry in the west to moderately wet in the northeast. Hispaniola ranged from normal in the west to exceptionally dry in central Dominican Republic. Jamaica was predominantly normal with slightly dry conditions in the extreme west and slightly wet areas in the northwest and southeast. Grand Cayman was normal. Cuba was moderately wet in the west, very wet in the northwest and normal in the east. Northern Bahamas ranged from normal to exceptionally wet and Belize ranged from normal in central areas to extremely dry in the south and moderately dry in the north.

November 2018 to October 2020

Conditions in the eastern Caribbean were predominantly below normal over the two year period. Trinidad, Tobago and Martinique exceptional to moderately dry; Grenada slight to moderately dry; St Vincent exceptional to extremely dry; Barbados extreme to moderately dry; Saint Lucia predominantly exceptionally dry with severely dry conditions in the extreme south; Dominica moderately dry in the south to normal in the north; Guadeloupe normal to extremely dry west to east; Antigua and St Thomas normal; St Kitts normal to slightly dry; St Maarten slightly dry; St Croix severe to moderately dry. In the Guianas, conditions ranged from exceptionally wet in central Guyana, to exceptionally dry in northern Guyana and the Suriname/ French Guiana northern border. Aruba was moderately dry and Curacao severe to extremely dry. Puerto Rico ranged from severely dry in the extreme western tip to normal in the east. Hispaniola ranged from slightly dry in western Dominican Republic to exceptionally dry in western and eastern areas to. Jamaica was predominantly normal ranging to slightly dry in the east. Grand Cayman was moderately dry. Cuba ranged from moderately wet in the west to exceptionally dry in the east. Northern Bahamas ranged from exceptionally wet to extremely dry and Belize ranged from slightly dry in the extreme west to exceptionally dry in the west and 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.