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

 

current Twenty intensity image current Twenty RI diff image

 


Twenty at 02/10/26 12 UTC. Intensity = 20 kts, MPI = 9999 kts    

 

AI-RI Matrix of RI probabilities RIPA Matrix of RI probabilities
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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%
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Mitchell at 02/10/26 06 UTC. Intensity = 25 kts, MPI = 9999 kts    

 

AI-RI Matrix of RI probabilities RIPA Matrix of RI probabilities
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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%
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Mitchell at 02/10/26 00 UTC. Intensity = 25 kts, MPI = 9999 kts    

 

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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A RIPA Consensus 0.0% 0.1% 0.1% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis 0.0% 0.2% 0.2% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
Logistic Regression 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
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Mitchell at 02/09/26 18 UTC. Intensity = 30 kts, MPI = 9999 kts    

 

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% 1.8% RIPA Consensus 0.0% 0.1% 0.1% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
AI-RI in RIPA Consensus 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.6% Linear Discriminant Analysis 0.0% 0.2% 0.2% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
Logistic Regression 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
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Mitchell at 02/09/26 12 UTC. Intensity = 45 kts, MPI = 9999 kts    

 

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 0.1% 0.5% 0.1% 0.0% 0.0% 0.0% 0.0% 0.1% 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% 0.2% 0.1% 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%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Mitchell at 02/09/26 06 UTC. Intensity = 50 kts, MPI = 9999 kts    

 

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 0.7% 1.7% 0.1% 0.2% 0.1% 0.1% 0.0% 0.2% 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 0.2% 0.6% 0.1% 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%
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Mitchell at 02/09/26 00 UTC. Intensity = 55 kts, MPI = 9999 kts    

 

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 0.6% 1.1% 0.4% 0.1% 0.0% 0.1% 0.0% 1.5% 0.0% 4.5% 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 0.2% 0.4% 0.2% 0.0% 0.0% 0.0% 0.0% 0.5% 0.0% 1.5% 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 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
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Mitchell at 02/08/26 18 UTC. Intensity = 60 kts, MPI = 9999 kts    

 

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 1.5% 1.1% 0.3% 0.2% 0.1% 0.3% 0.1% 0.2% 0.0% 0.0% RIPA Consensus 0.1% 0.2% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus 0.5% 0.5% 0.1% 0.1% 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 0.2% 0.2% 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Mitchell at 02/08/26 12 UTC. Intensity = 60 kts, MPI = 9999 kts    

 

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 1.8% 2.6% 1.7% 0.4% 0.8% 0.3% 0.1% 0.6% 0.0% 4.7% RIPA Consensus 0.1% 0.3% 0.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus 0.6% 1.0% 0.7% 0.1% 0.3% 0.1% 0.0% 0.1% 0.0% 1.5% 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 0.2% 0.3% 0.2% 0.1% 0.1% 0.1% 0.0% 0.0% 0.0% 0.0%
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Mitchell at 02/08/26 06 UTC. Intensity = 70 kts, MPI = 9999 kts    

 

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 7.5% 6.8% 5.9% 2.2% 3.2% 0.8% 0.2% 1.2% 0.1% 0.0% RIPA Consensus 1.1% 1.1% 0.7% 0.5% 0.2% 0.2% 0.0% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus 3.2% 2.9% 2.4% 1.0% 1.2% 0.3% 0.0% 0.3% 0.0% 0.0% Linear Discriminant Analysis 1.0% 0.5% 0.3% 0.2% 0.0% 0.1% 0.0% 0.0% 0.0% 0.0%
Logistic Regression 1.3% 1.6% 1.0% 0.8% 0.5% 0.3% 0.0% 0.0% 0.0% 0.0%
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Mitchell at 02/08/26 00 UTC. Intensity = 75 kts, MPI = 9999 kts    

 

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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A RIPA Consensus 5.9% 5.2% 3.9% 3.8% 2.2% 0.6% 0.0% 0.0% 0.0% 0.0%
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis 6.8% 3.3% 2.7% 2.7% 0.8% 0.3% 0.0% 0.0% 0.0% 0.0%
Logistic Regression 4.9% 7.2% 5.1% 4.9% 3.6% 1.0% 0.0% 0.0% 0.0% 0.0%
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Mitchell at 02/07/26 18 UTC. Intensity = 80 kts, MPI = 9999 kts    

 

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 12.7% 11.9% 6.6% 8.4% 6.5% 1.6% 0.3% 0.7% 0.1% 0.5% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Mitchell at 02/07/26 12 UTC. Intensity = 75 kts, MPI = 9999 kts    

 

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 15.1% 24.4% 24.9% 11.1% 10.8% 4.7% 1.4% 2.3% 0.1% 0.5% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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Mitchell at 02/07/26 06 UTC. Intensity = 65 kts, MPI = 9999 kts    

 

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 18.2% 35.7% 17.1% 28.0% 18.1% 10.4% 4.4% 4.3% 2.5% 1.2% RIPA Consensus 26.0% 40.1% 37.5% 37.5% 26.2% 15.1% 7.3% 3.5% 0.0% 0.0%
AI-RI in RIPA Consensus 23.4% 38.6% 30.7% 34.3% 23.5% 13.5% 6.3% 3.8% 0.8% 0.3% Linear Discriminant Analysis 30.2% 33.1% 31.9% 31.9% 11.7% 10.6% 5.9% 4.7% 0.0% 0.0%
Logistic Regression 21.8% 47.1% 43.1% 43.1% 40.7% 19.6% 8.7% 2.4% 0.0% 0.0%
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Mitchell at 02/07/26 00 UTC. Intensity = 60 kts, MPI = 9999 kts    

 

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 14.9% 38.9% 17.4% 19.6% 21.0% 5.0% 3.8% 6.5% 3.0% 2.5% RIPA Consensus 41.5% 62.9% 60.5% 60.5% 45.7% 40.8% 26.6% 12.0% 5.6% 0.5%
AI-RI in RIPA Consensus 32.6% 54.9% 46.1% 46.8% 37.4% 28.9% 19.0% 10.1% 4.7% 1.1% Linear Discriminant Analysis 48.7% 56.0% 53.2% 53.2% 24.4% 30.1% 19.4% 14.0% 4.5% 0.1%
Logistic Regression 34.3% 69.9% 67.8% 67.8% 66.9% 51.6% 33.9% 10.0% 6.7% 0.9%
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Mitchell at 02/06/26 18 UTC. Intensity = 50 kts, MPI = 9999 kts    

 

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 11.7% 32.0% 26.7% 22.5% 15.0% 7.4% 7.2% 7.0% 11.1% 6.3% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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Twenty at 02/06/26 12 UTC. Intensity = 40 kts, MPI = 9999 kts    

 

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 7.8% 37.2% 46.2% 26.2% 14.7% 13.3% 13.5% 19.0% 19.6% 5.2% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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Twenty at 02/06/26 06 UTC. Intensity = 35 kts, MPI = 9999 kts    

 

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 6.8% 36.5% 21.7% 26.5% 19.7% 14.4% 6.5% 20.2% 23.1% 4.7% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Twenty at 02/06/26 00 UTC. Intensity = 30 kts, MPI = 9999 kts    

 

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 2.5% 23.6% 19.5% 8.5% 4.2% 10.2% 5.1% 6.8% 8.6% 16.3% RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
AI-RI in RIPA Consensus N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Linear Discriminant Analysis N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Logistic Regression N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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