Rapid Intensification Guidance AL172023 230928 00UTC Storm Located at : 18.00 54.20 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 N 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 4.60 F CONVECTION <-50C [%] 45.00 N CONVECTION <-60C [%] 37.00 N IR CORE SYMMETRY [K] 6.40 F TC SIZE [%] 84.00 F Forecast Conditions: Predictor Value Favorable(F)/Unfavor(U) 6 12 18 24 36 48 60 72 6 12 18 24 36 48 60 72 Wind Shear [kt] 19.0 19.1 24.8 25.3 23.1 20.1 21.8 18.5 N N N N N N N N Ocean Heat [kJ/cm^2] 65.0 62.0 57.0 50.0 49.0 66.0 78.0 75.0 N N N N N N N N Potential [kt] 114.6 117.0 119.3 119.3 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] 28.0 34.0 76.0 38.0 7.0 24.0 35.0 81.0 U N N N U U N N Humidity 700-500 hPa 60.0 57.0 58.0 55.0 52.0 51.0 47.0 43.0 N U U U U U VU VU T Advectio [10^6 K/s] 2.0 2.0 3.0 3.0 1.0 0.0 1.0 -1.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 2.3% 3.4% 2.9% 25kt / 24h 8.5% 21.0% 14.8% 30kt / 24h 4.9% 10.1% 7.5% 35kt / 24h 2.0% 9.3% 5.7% 40kt / 24h 2.0% 9.3% 5.7% 45kt / 36h 7.4% 16.5% 12.0% 55kt / 36h 0.0% 5.1% 2.6% 55kt / 48h 12.1% 11.4% 11.8% 70kt / 48h 6.0% 4.1% 5.0% 65kt / 72h 41.9% 15.7% 28.8% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.30 AL172023 230928 00UTC Storm Located at : 18.00 54.20 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 U 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 4.60 F TC SIZE [%] 84.00 N Forecast Conditions: Predictor Value Favorable(F)/Unfavor(U) 6 12 18 24 36 48 60 72 6 12 18 24 36 48 60 72 Wind Shear [kt] 19.0 19.1 24.8 25.3 23.1 20.1 21.8 18.5 N N N N N N N N Humidity 700-500 hPa 60.0 57.0 58.0 55.0 52.0 51.0 47.0 43.0 N F F F F F VF VF T Advectio [10^6 K/s] 2.0 2.0 3.0 3.0 1.0 0.0 1.0 -1.0 N N N N N N N N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.0% 0.0%