Drought Forecast Map


Brief Summary:  Through the period of October to December, the forecast from the Climate Predictability Tool indicates, near-normal to above-normal rainfall over most sections of the island. The latest forecast from the computer models is indicating a 40% probability of above-normal rainfall and 35% probability of near-normal activity across most stations. As temperatures continue to trend higher than previous years across the region, temperatures across the island are likely to remain warmer than normal.

To view our 3D drought maps use the following browsers with 3D plugin:

  • Google Chrome or Mozilla Firefox
  • Google Earth need to be install on your PC 

SPI Data Used In Jamaica Drought Monitor


Categories SPI Values 
Near Normally Drying


 0.0 to -0.4
Abnormally Dry


-0.5 to -0.7
Moderate Drought


-0.8 to -1.2
Severe Drought


-1.3 to -1.5
Extreme Drought


-1.6 to -1.9
Exceptional Drought


-2.0 or less
Categories SPI Values 
Near Normally Wetness


 0.0 to 0.4
Abnormally Wetness


0.5 to 0.7
Moderate Wetness


0.8 to 1.2
Severe Wetness


1.3 to 1.5
Extreme Wetness


1.6 to 1.9
Exceptional Wetness


2.0 or more