Rapid Intensification Guidance AL122021 210904 18UTC Storm Located at : 17.10 46.50 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] 5.00 N CORE SIZE [km] 8.20 F CONVECTION <-50C [%] 75.00 N CONVECTION <-60C [%] 54.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 83.00 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] 14.0 15.2 14.3 15.0 18.2 15.5 17.9 15.9 F F F F F F F F Ocean Heat [kJ/cm^2] 36.0 31.0 37.0 33.0 39.0 28.0 45.0 36.0 U U U U U U N U Potential [kt] 30.5 30.5 32.4 36.5 45.1 52.0 55.0 55.0 VU VU VU U U U U U 200mb Divg [10^6/s] 20.0 26.0 23.0 34.0 -3.0 2.0 -38.0 41.0 U U U N U U VU N Humidity 700-500 hPa 56.0 52.0 52.0 51.0 51.0 51.0 53.0 54.0 U U U U U U U U T Advectio [10^6 K/s] -5.0 -5.0 -5.0 0.0 2.0 3.0 3.0 5.0 F F F N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 10.3% 4.0% 7.1% 25kt / 24h 4.2% 5.7% 5.0% 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