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:

Twenty-Two at 02/27/26 06 UTC. Intensity = 30 kts, MPI = 9999 kts    

 

Twenty-Two 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 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% RIPA Consensus 0.0% 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Linear Discriminant Analysis 0.0% 0.2% 0.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
Logistic Regression 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------
current Twenty-Two intensity image current Twenty-Two intensity image
current Twenty-Two microwave image

Urmil at 02/27/26 06 UTC. Intensity = 55 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 23.1% 34.0% 29.2% 14.5% 15.8% 21.3% 25.6% 36.4% 4.8% 0.1% RIPA Consensus 23.9% 47.4% 37.3% 37.3% 28.3% 26.5% 13.5% 1.1% 1.8% 0.0%
AI-RI in RIPA Consensus 23.6% 42.9% 34.6% 29.7% 24.1% 24.7% 17.5% 12.8% 2.7% 0.0% Linear Discriminant Analysis 27.6% 41.0% 28.8% 28.8% 12.6% 14.5% 6.8% 2.0% 0.3% 0.0%
Logistic Regression 20.2% 53.7% 45.9% 45.9% 44.0% 38.5% 20.3% 0.3% 3.3% 0.0%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------
current Urmil intensity image current Urmil intensity image
current Urmil microwave image

Last Updated: 20260227 at 0850 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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