Rapid Intensification Guidance AL172023 230930 18UTC Storm Located at : 16.40 56.40 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] 3.00 F CONVECTION <-50C [%] 43.00 U CONVECTION <-60C [%] 37.00 N IR CORE SYMMETRY [K] 6.40 F TC SIZE [%] 93.00 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] 28.4 28.1 28.0 31.3 29.1 24.9 24.7 21.5 N N N U N N N N Ocean Heat [kJ/cm^2] 54.0 54.0 54.0 55.0 61.0 73.0 66.0 53.0 N N N N N N N N Potential [kt] 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] 69.0 43.0 37.0 40.0 27.0 62.0 62.0 78.0 N N N N U N N N Humidity 700-500 hPa 58.0 59.0 60.0 60.0 62.0 61.0 63.0 62.0 U U N N N N N N T Advectio [10^6 K/s] 0.0 1.0 0.0 6.0 5.0 9.0 2.0 10.0 N N N N N U N U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.7% 2.0% 1.9% 25kt / 24h 5.7% 14.2% 9.9% 30kt / 24h 2.8% 5.8% 4.3% 35kt / 24h 1.1% 5.4% 3.3% 40kt / 24h 1.0% 5.4% 3.2% 45kt / 36h 3.9% 9.0% 6.5% 55kt / 36h 0.0% 2.2% 1.1% 55kt / 48h 5.9% 6.1% 6.0% 70kt / 48h 2.0% 1.7% 1.9% 65kt / 72h 25.5% 8.1% 16.8% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.60 AL172023 230930 18UTC Storm Located at : 16.40 56.40 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] 3.00 F TC SIZE [%] 93.00 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] 28.4 28.1 28.0 31.3 29.1 24.9 24.7 21.5 N N N N N N N N Humidity 700-500 hPa 58.0 59.0 60.0 60.0 62.0 61.0 63.0 62.0 F F N N N N N N T Advectio [10^6 K/s] 0.0 1.0 0.0 6.0 5.0 9.0 2.0 10.0 N N N N N F N F Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.1% 0.0%