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

 

current Eleven intensity image current Eleven RI diff image

 


Eleven at 01/04/26 06 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 0.2% 0.5% 0.0% 0.0% 0.0% 0.1% 0.0% 0.1% 0.0% 0.5% 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% 0.2% 0.0% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.1% 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% 0.1% 0.0% 0.0% 0.0% 0.0%
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Eleven at 01/04/26 00 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 0.1% 0.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% 0.0% 0.7% RIPA Consensus 0.0% 0.1% 0.1% 0.0% 0.0% 0.1% 0.1% 0.1% 0.0% 0.1%
AI-RI in RIPA Consensus 0.0% 0.1% 0.0% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.3% Linear Discriminant Analysis 0.0% 0.2% 0.2% 0.0% 0.0% 0.1% 0.1% 0.1% 0.0% 0.1%
Logistic Regression 0.0% 0.1% 0.0% 0.0% 0.0% 0.2% 0.0% 0.0% 0.0% 0.1%
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Iggy at 01/03/26 18 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 0.1% 0.4% 0.0% 0.0% 0.0% 0.1% 0.0% 0.4% 0.0% 1.3% RIPA Consensus 0.0% 0.2% 0.1% 0.0% 0.0% 0.2% 0.1% 0.3% 0.1% 0.2%
AI-RI in RIPA Consensus 0.0% 0.2% 0.0% 0.0% 0.0% 0.1% 0.0% 0.3% 0.0% 0.6% Linear Discriminant Analysis 0.0% 0.2% 0.2% 0.0% 0.0% 0.1% 0.1% 0.5% 0.1% 0.2%
Logistic Regression 0.0% 0.1% 0.0% 0.0% 0.0% 0.3% 0.0% 0.1% 0.1% 0.3%
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Eleven at 01/03/26 12 UTC. Intensity = 20 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% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.7% 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 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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Iggy at 01/03/26 06 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 0.1% 0.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% 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% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% 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% 0.1% 0.0% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.1%
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Iggy at 01/03/26 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 0.1% 0.3% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% 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% 0.1% 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% 0.1% 0.1% 0.0% 0.0% 0.1%
Logistic Regression 0.0% 0.1% 0.0% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.0%
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Iggy at 01/02/26 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 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% RIPA Consensus 0.0% 0.2% 0.1% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
AI-RI in RIPA Consensus 0.0% 0.1% 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% 0.1% 0.1% 0.0% 0.0% 0.1%
Logistic Regression 0.0% 0.1% 0.0% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.0%
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Iggy at 01/02/26 12 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 0.1% 0.2% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 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 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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Iggy at 01/02/26 06 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 0.2% 0.7% 0.2% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 2.3% RIPA Consensus 0.0% 0.2% 0.1% 0.0% 0.0% 0.1% 0.1% 0.0% 0.0% 0.1%
AI-RI in RIPA Consensus 0.1% 0.3% 0.1% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.7% 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 0.1% 0.2% 0.1% 0.0% 0.0% 0.1% 0.0% 0.0% 0.0% 0.0%
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Iggy at 01/02/26 00 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 0.4% 2.2% 0.8% 0.3% 0.0% 0.3% 0.1% 0.3% 0.0% 0.2% RIPA Consensus 0.1% 0.4% 0.2% 0.1% 0.0% 0.2% 0.1% 0.0% 0.0% 0.1%
AI-RI in RIPA Consensus 0.2% 1.0% 0.3% 0.1% 0.0% 0.2% 0.1% 0.0% 0.0% 0.1% 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 0.2% 0.6% 0.2% 0.1% 0.1% 0.3% 0.1% 0.0% 0.0% 0.1%
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Iggy at 01/01/26 18 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 0.6% 2.1% 1.1% 0.1% 0.0% 0.4% 0.0% 0.0% 0.0% 0.2% 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 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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Iggy at 01/01/26 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 5.9% 9.9% 15.1% 3.7% 3.1% 4.0% 3.4% 4.3% 0.8% 0.9% 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 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
------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------

 


Eleven at 01/01/26 06 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 6.3% 14.6% 15.3% 6.2% 4.2% 11.4% 7.3% 6.7% 1.3% 2.3% RIPA Consensus 7.2% 15.4% 8.8% 7.8% 7.0% 10.3% 4.4% 2.9% 1.1% 0.7%
AI-RI in RIPA Consensus 6.8% 15.1% 10.9% 7.2% 6.0% 10.6% 5.3% 4.1% 1.1% 1.2% Linear Discriminant Analysis 7.2% 9.1% 5.7% 3.6% 3.6% 3.3% 1.9% 3.4% 0.5% 0.1%
Logistic Regression 7.1% 21.7% 11.9% 11.9% 10.3% 17.2% 6.9% 2.3% 1.7% 1.2%
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Eleven at 12/31/25 18 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 8.4% 20.0% 5.8% 6.4% 10.0% 11.0% 0.9% 5.4% 2.0% 3.0% 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 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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