Rapid Intensification Guidance AL122021 210904 12UTC Storm Located at : 16.50 45.20 Guidance run with Vmax [kt]: 110. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 110.00 U 12-H DELTA VMAX [kt] 10.00 F CORE SIZE [km] 9.00 F CONVECTION <-50C [%] 72.00 N CONVECTION <-60C [%] 46.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 80.00 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] 8.6 11.9 12.7 12.7 13.1 16.5 14.5 17.4 F F F F F F F F Ocean Heat [kJ/cm^2] 21.0 34.0 32.0 35.0 31.0 38.0 37.0 42.0 U U U U U U U N Potential [kt] 28.5 30.5 30.5 32.4 40.7 47.3 54.3 55.0 VU VU VU VU U U U U 200mb Divg [10^6/s] 31.0 26.0 35.0 34.0 9.0 -10.0 -17.0 15.0 N U N N U U U U Humidity 700-500 hPa 59.0 59.0 56.0 54.0 51.0 52.0 51.0 51.0 U U U U U U U U T Advectio [10^6 K/s] -4.0 -7.0 -5.0 -3.0 1.0 1.0 0.0 5.0 F F F N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 16.3% 0.0% 8.1% 25kt / 24h 7.8% 8.7% 8.3% 30kt / 24h 0.0% 0.0% 0.0% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 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