Rapid Intensification Guidance AL172023 230927 18UTC Storm Located at : 17.50 53.70 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] 5.00 N CORE SIZE [km] 9.80 F CONVECTION <-50C [%] 39.00 U CONVECTION <-60C [%] 13.00 U IR CORE SYMMETRY [K] 7.60 F TC SIZE [%] 94.00 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] 23.5 20.5 19.2 20.9 22.6 16.9 18.7 19.7 N N N N N F N N Ocean Heat [kJ/cm^2] 63.0 64.0 62.0 55.0 55.0 77.0 77.0 72.0 N N N N N N N N Potential [kt] 117.0 117.0 117.0 119.3 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] 45.0 18.0 7.0 5.0 25.0 0.0 0.0 27.0 N U U U U U U U Humidity 700-500 hPa 64.0 62.0 59.0 58.0 53.0 53.0 51.0 48.0 N N U U U U U U T Advectio [10^6 K/s] 1.0 1.0 2.0 3.0 -1.0 0.0 0.0 3.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 3.4% 3.7% 3.5% 25kt / 24h 10.7% 24.2% 17.4% 30kt / 24h 7.8% 12.2% 10.0% 35kt / 24h 3.7% 11.8% 7.8% 40kt / 24h 2.1% 11.8% 6.9% 45kt / 36h 9.1% 21.6% 15.3% 55kt / 36h 0.0% 7.9% 3.9% 55kt / 48h 12.4% 14.4% 13.4% 70kt / 48h 8.2% 6.6% 7.4% 65kt / 72h 36.2% 20.2% 28.2% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.30 AL172023 230927 18UTC Storm Located at : 17.50 53.70 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] 5.00 N CORE SIZE [km] 9.80 F TC SIZE [%] 94.00 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] 23.5 20.5 19.2 20.9 22.6 16.9 18.7 19.7 N N N N N N N N Humidity 700-500 hPa 64.0 62.0 59.0 58.0 53.0 53.0 51.0 48.0 N N F F F F F F T Advectio [10^6 K/s] 1.0 1.0 2.0 3.0 -1.0 0.0 0.0 3.0 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%