Rapid Intensification Guidance AL092021 210831 12UTC Storm Located at : 34.60 88.40 Guidance run with Vmax [kt]: 20. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 20.00 F 12-H DELTA VMAX [kt] -10.00 U CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 14.00 U CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 6.60 F TC SIZE [%] 139.00 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] 19.0 22.5 24.4 28.5 41.1 46.8 55.8 64.5 N N N N VU VU VU VU Ocean Heat [kJ/cm^2] 4.0 4.0 5.0 4.0 4.0 4.0 0.0 0.0 U U U U U U U U Potential [kt] 128.6 122.4 118.5 114.8 109.4 99.6 75.9 59.2 F N N N N N U U 200mb Divg [10^6/s] 11.0 18.0 4.0 29.0 32.0 38.0 11.0 29.0 U U U N N N U N Humidity 700-500 hPa 64.0 62.0 55.0 50.0 41.0 42.0 43.0 50.0 N N U U VU VU VU U T Advectio [10^6 K/s] 28.0 18.0 -3.0 -6.0 -6.0 6.0 7.0 46.0 VU VU N F F N N VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.2% 0.7% 0.5% 30kt / 24h 0.2% 0.2% 0.2% 35kt / 24h 0.0% 0.1% 0.1% 40kt / 24h 0.0% 0.1% 0.1% 45kt / 36h 0.0% 0.6% 0.3% 55kt / 36h 0.0% 0.1% 0.1% 55kt / 48h 0.0% 0.1% 0.0% 70kt / 48h 0.0% 0.1% 0.0% 65kt / 72h 0.0% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons