Rapid Intensification Guidance AL082023 230827 18UTC Storm Located at : 25.70 69.70 Guidance run with Vmax [kt]: 90. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 90.00 U 12-H DELTA VMAX [kt] 15.00 F CORE SIZE [km] 4.20 F CONVECTION <-50C [%] 46.00 N CONVECTION <-60C [%] 13.00 U IR CORE SYMMETRY [K] 9.10 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] 11.3 15.6 14.4 9.4 14.1 11.7 16.5 15.2 F F F F F F F F Ocean Heat [kJ/cm^2] 55.0 51.0 45.0 48.0 35.0 24.0 14.0 11.0 N N N N U U U U Potential [kt] 75.0 75.0 75.0 75.0 67.3 60.7 48.5 44.8 U U U U U U U U 200mb Divg [10^6/s] 14.0 -24.0 -6.0 8.0 15.0 31.0 24.0 1.0 U VU U U U N U U Humidity 700-500 hPa 56.0 55.0 59.0 59.0 59.0 61.0 63.0 64.0 U U U U U N N N T Advectio [10^6 K/s] 4.0 0.0 -3.0 7.0 4.0 4.0 6.0 7.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 59.9% 32.3% 46.1% 25kt / 24h 51.2% 54.4% 52.8% 30kt / 24h 51.2% 52.6% 51.9% 35kt / 24h 50.0% 52.6% 51.3% 40kt / 24h 42.9% 52.6% 47.7% 45kt / 36h 63.9% 38.2% 51.1% 55kt / 36h 0.0% 24.0% 12.0% 55kt / 48h 17.2% 14.8% 16.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.86 AL082023 230827 18UTC Storm Located at : 25.70 69.70 Guidance run with Vmax [kt]: 90. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 90.00 N 12-H DELTA VMAX [kt] 15.00 U CORE SIZE [km] 4.20 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] 11.3 15.6 14.4 9.4 14.1 11.7 16.5 15.2 U U U U U U N U Humidity 700-500 hPa 56.0 55.0 59.0 59.0 59.0 61.0 63.0 64.0 F F F F F N N N T Advectio [10^6 K/s] 4.0 0.0 -3.0 7.0 4.0 4.0 6.0 7.0 N N N N N N N N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.2% 0.1%