Rapid Intensification Guidance AL122021 210903 12UTC Storm Located at : 14.60 40.00 Guidance run with Vmax [kt]: 80. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 80.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 5.00 F CONVECTION <-50C [%] 89.00 F CONVECTION <-60C [%] 54.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 100.00 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] 13.3 12.8 11.8 9.3 9.6 14.0 15.0 16.5 F F F F F F F F Ocean Heat [kJ/cm^2] 5.0 12.0 10.0 13.0 35.0 24.0 31.0 32.0 U U U U U U U U Potential [kt] 51.2 49.4 53.0 56.6 60.5 64.4 70.7 79.6 U U U U U U U N 200mb Divg [10^6/s] 102.0 100.0 78.0 56.0 45.0 32.0 8.0 11.0 F F N N N N U U Humidity 700-500 hPa 68.0 64.0 61.0 60.0 55.0 52.0 49.0 47.0 N N N N U U U VU T Advectio [10^6 K/s] -5.0 -2.0 -5.0 -4.0 -1.0 0.0 -4.0 -2.0 F N F F N N F N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 13.8% 9.0% 11.4% 25kt / 24h 20.8% 24.4% 22.6% 30kt / 24h 14.4% 21.3% 17.8% 35kt / 24h 10.9% 21.3% 16.1% 40kt / 24h 8.6% 19.4% 14.0% 45kt / 36h 20.9% 21.5% 21.2% 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