Rapid Intensification Guidance AL172023 230926 18UTC Storm Located at : 17.00 50.80 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 6.60 F CONVECTION <-50C [%] 1.00 VU CONVECTION <-60C [%] 1.00 U IR CORE SYMMETRY [K] 0.30 F TC SIZE [%] 57.00 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] 39.0 32.4 25.4 25.7 31.5 24.2 31.8 19.3 U U N N U N U N Ocean Heat [kJ/cm^2] 39.0 45.0 58.0 72.0 57.0 52.0 50.0 70.0 U N N N N N N N Potential [kt] 115.1 117.3 119.6 119.6 122.0 124.3 125.0 125.0 N N N N N N N N 200mb Divg [10^6/s] 12.0 7.0 -14.0 13.0 6.0 -11.0 -15.0 -12.0 U U U U U U U U Humidity 700-500 hPa 66.0 62.0 59.0 62.0 57.0 54.0 49.0 47.0 N N U N U U U VU T Advectio [10^6 K/s] 2.0 0.0 2.0 3.0 -4.0 0.0 -7.0 -2.0 N N N N F N F N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.2% 0.1% 25kt / 24h 0.3% 1.7% 1.0% 30kt / 24h 0.3% 0.5% 0.4% 35kt / 24h 0.0% 0.4% 0.2% 40kt / 24h 0.0% 0.4% 0.2% 45kt / 36h 0.2% 1.5% 0.9% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.2% 0.9% 0.6% 70kt / 48h 0.1% 0.2% 0.2% 65kt / 72h 5.8% 1.8% 3.8% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.08 AL172023 230926 18UTC Storm Located at : 17.00 50.80 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 U 12-H DELTA VMAX [kt] -5.00 F CORE SIZE [km] 6.60 F TC SIZE [%] 57.00 U 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] 39.0 32.4 25.4 25.7 31.5 24.2 31.8 19.3 F N N N N N N N Humidity 700-500 hPa 66.0 62.0 59.0 62.0 57.0 54.0 49.0 47.0 N N F N F F F VF T Advectio [10^6 K/s] 2.0 0.0 2.0 3.0 -4.0 0.0 -7.0 -2.0 N N N N U N U N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.1% 0.0%