Rapid Intensification Guidance AL212020 200916 18UTC Storm Located at : 21.40 35.30 Guidance run with Vmax [kt]: 35. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 35.00 F 12-H DELTA VMAX [kt] -10.00 U CORE SIZE [km] 4.60 F CONVECTION <-50C [%] 13.00 VU CONVECTION <-60C [%] 3.00 U IR CORE SYMMETRY [K] 5.40 F TC SIZE [%] 76.00 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] 55.8 58.2 53.0 48.3 43.1 39.8 35.5 35.5 VU VU VU VU VU U U U Ocean Heat [kJ/cm^2] 2.0 3.0 3.0 3.0 2.0 7.0 7.0 7.0 U U U U U U U U Potential [kt] 81.5 84.6 87.7 91.0 96.2 99.8 105.5 105.5 N N N N N N N N 200mb Divg [10^6/s] 3.0 12.0 4.0 34.0 -34.0 5.0 9.0 9.0 U U U N VU U U U Humidity 700-500 hPa 53.0 54.0 53.0 52.0 55.0 52.0 51.0 51.0 U U U U U U U U T Advectio [10^6 K/s] 3.0 0.0 3.0 0.0 -8.0 -5.0 -10.0 -10.0 N N N N F F F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 25kt / 24h 0.0% 0.0% 0.0% 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