Rapid Intensification Guidance AL172023 230929 12UTC Storm Located at : 18.40 55.30 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] 0.00 N CORE SIZE [km] 4.20 F CONVECTION <-50C [%] 31.00 U CONVECTION <-60C [%] 26.00 U IR CORE SYMMETRY [K] 4.50 F TC SIZE [%] 80.00 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] 19.3 17.3 18.4 19.2 25.3 24.0 29.7 29.1 N F F N N N N N Ocean Heat [kJ/cm^2] 62.0 62.0 61.0 60.0 57.0 55.0 55.0 53.0 N N N N N N N N Potential [kt] 122.0 122.0 124.3 124.3 125.0 125.0 125.0 125.0 N N N N N N N N 200mb Divg [10^6/s] 11.0 13.0 -4.0 -13.0 25.0 57.0 54.0 40.0 U U U U U N N N Humidity 700-500 hPa 54.0 53.0 52.0 50.0 54.0 54.0 57.0 60.0 U U U U U U U N T Advectio [10^6 K/s] 0.0 -2.0 -1.0 -2.0 2.0 1.0 4.0 11.0 N N N N N N N U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.7% 3.2% 2.4% 25kt / 24h 5.2% 20.7% 13.0% 30kt / 24h 3.9% 9.9% 6.9% 35kt / 24h 1.5% 9.0% 5.2% 40kt / 24h 1.4% 9.0% 5.2% 45kt / 36h 6.6% 18.6% 12.6% 55kt / 36h 0.0% 6.0% 3.0% 55kt / 48h 11.6% 10.9% 11.2% 70kt / 48h 6.9% 4.5% 5.7% 65kt / 72h 28.7% 11.0% 19.8% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.34 AL172023 230929 12UTC Storm Located at : 18.40 55.30 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] 0.00 N CORE SIZE [km] 4.20 F TC SIZE [%] 80.00 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] 19.3 17.3 18.4 19.2 25.3 24.0 29.7 29.1 N N N N N N N N Humidity 700-500 hPa 54.0 53.0 52.0 50.0 54.0 54.0 57.0 60.0 F F F F F F F N T Advectio [10^6 K/s] 0.0 -2.0 -1.0 -2.0 2.0 1.0 4.0 11.0 N N N N N N N F Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.0% 0.0%