Rapid Intensification Guidance AL122021 210903 00UTC Storm Located at : 13.90 36.60 Guidance run with Vmax [kt]: 75. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 75.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 76.00 N CONVECTION <-60C [%] 60.00 N IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 102.00 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] 15.7 13.4 13.6 14.1 13.2 11.1 14.2 14.0 F F F F F F F F Ocean Heat [kJ/cm^2] 17.0 6.0 3.0 11.0 12.0 31.0 26.0 28.0 U U U U U U U U Potential [kt] 58.0 58.0 56.2 56.2 61.6 65.5 67.4 75.7 U U U U U U U U 200mb Divg [10^6/s] 67.0 77.0 63.0 82.0 84.0 33.0 14.0 -1.0 N N N N N N U U Humidity 700-500 hPa 66.0 67.0 69.0 65.0 62.0 58.0 50.0 50.0 N N N N N U U U T Advectio [10^6 K/s] -11.0 -8.0 -5.0 -4.0 -1.0 0.0 -1.0 -3.0 F F F F N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 15.9% 8.9% 12.4% 25kt / 24h 18.5% 21.7% 20.1% 30kt / 24h 13.5% 17.5% 15.5% 35kt / 24h 10.5% 17.5% 14.0% 40kt / 24h 9.3% 16.5% 12.9% 45kt / 36h 13.8% 14.9% 14.4% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons