Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison Tropical Cyclones AI Rapid Intensification Index   (Reference)     Nineteen at 02/28/25 00 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 0.0% 0.2% 0.0% 0.0% 0.0% 0.1% 0.0% 0.4% 0.1% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/27/25 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 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% 0.0% 0.2% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/27/25 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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------                                                   Nineteen at 02/27/25 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 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.7% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------             Nineteen at 02/26/25 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------     Nineteen at 02/26/25 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/26/25 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/26/25 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/25/25 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/25/25 12 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 0.0% 0.0% 0.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/25/25 06 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 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 1.0% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/25/25 00 UTC. Intensity = 85 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 1.1% 0.4% 0.2% 0.0% 0.1% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/24/25 18 UTC. Intensity = 90 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 6.2% 1.6% 1.1% 0.2% 0.2% 0.1% 0.0% 0.0% 0.0% 1.4% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/24/25 12 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 4.1% 2.8% 0.7% 0.5% 0.3% 0.2% 0.1% 0.3% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------                                 Rae at 02/24/25 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 4.4% 5.0% 1.2% 0.8% 0.7% 1.2% 0.3% 1.3% 0.1% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/24/25 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 12.2% 17.3% 7.7% 6.2% 7.0% 4.8% 1.4% 4.5% 0.3% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/23/25 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 12.4% 28.2% 12.6% 7.2% 8.4% 9.6% 6.5% 11.8% 0.9% 0.1% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Rae at 02/23/25 12 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 8.2% 31.1% 20.3% 18.3% 13.0% 9.4% 5.0% 6.5% 0.5% 0.1% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/23/25 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 14.0% 41.2% 21.0% 13.5% 7.7% 18.4% 8.0% 23.9% 1.0% 0.6% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/22/25 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 8.1% 32.0% 22.9% 9.1% 5.0% 20.1% 9.8% 31.2% 4.7% 6.9% 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------   Nineteen at 02/22/25 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 4.0% 21.1% 15.6% 8.8% 4.3% 12.8% 7.3% 27.3% 4.7% 21.3% 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 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 ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------