Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclones
AI Rapid Intensification Index   (Reference)

Go to: Atlantic TCs
Go to: East Pacific TCs
Go to: West Pacific TCs
Go to: Southern Hemisphere TCs

Atlantic TCs:

Eastern Pacific TCs:

Western Pacific TCs:

Southern Hemisphere TCs:

Urmil at 02/28/26 00 UTC. Intensity = 65 kts, MPI = 9999 kts    

 

Urmil History

AI-RI Matrix of RI probabilities RIPA Matrix of RI probabilities
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------
RI (kt / h) 20/12 25/24 30/24 35/24 40/24 45/36 55/36 55/48 70/48 65/72 RI (kt / h) 20/12 25/24 30/24 35/24 40/24 45/36 55/36 55/48 70/48 65/72
AI-RI 11.9% 13.7% 7.0% 2.7% 2.6% 2.2% 1.5% 15.7% 0.8% 7.4% RIPA Consensus 7.2% 10.5% 5.4% 5.0% 3.2% 1.5% 0.3% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus 8.7% 11.5% 5.9% 4.2% 3.0% 1.7% 0.7% 5.2% 0.2% 2.4% Linear Discriminant Analysis 9.8% 9.4% 4.2% 3.3% 1.8% 0.6% 0.1% 0.0% 0.0% 0.0%
Logistic Regression 4.6% 11.5% 6.6% 6.6% 4.7% 2.4% 0.5% 0.0% 0.0% 0.0%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------
current Urmil intensity image current Urmil intensity image
current Urmil microwave image

Last Updated: 20260228 at 0650 UTC

Past 2026 Atlantic TCs



Past 2026 E Pacific TCs



Past 2026 W Pacific TCs

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Past Southern Hemisphere TCs

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