Rapid Intensification Guidance AL122021 210902 18UTC Storm Located at : 13.50 35.10 Guidance run with Vmax [kt]: 70. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 70.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.60 F CONVECTION <-50C [%] 93.00 F CONVECTION <-60C [%] 62.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 104.00 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] 18.9 18.9 15.4 15.1 11.4 13.1 12.0 16.6 N N F F F F F F Ocean Heat [kJ/cm^2] 14.0 16.0 6.0 4.0 11.0 22.0 26.0 31.0 U U U U U U U U Potential [kt] 66.6 64.8 63.0 63.0 63.0 70.5 70.5 76.5 U U U U U U U U 200mb Divg [10^6/s] 99.0 61.0 45.0 49.0 60.0 30.0 33.0 23.0 F N N N N N N U Humidity 700-500 hPa 67.0 67.0 68.0 69.0 63.0 57.0 52.0 49.0 N N N N N U U U T Advectio [10^6 K/s] -15.0 -15.0 -9.0 -5.0 -1.0 3.0 -2.0 -4.0 VF VF F F N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 12.4% 8.7% 10.6% 25kt / 24h 17.7% 23.8% 20.8% 30kt / 24h 11.4% 19.4% 15.4% 35kt / 24h 9.1% 19.4% 14.3% 40kt / 24h 5.9% 17.5% 11.7% 45kt / 36h 9.7% 18.6% 14.1% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 7.8% 5.6% 6.7% 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