Rapid Intensification Guidance AL172020 200920 18UTC Storm Located at : 34.90 29.20 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] 0.00 N CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 0.70 F TC SIZE [%] 102.00 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] 18.9 25.6 32.6 37.1 35.1 33.5 26.3 49.3 N N U U U U N VU Ocean Heat [kJ/cm^2] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 78.6 77.2 77.2 75.8 69.2 58.8 48.3 29.6 N U U U U U U VU 200mb Divg [10^6/s] 36.0 -24.0 -28.0 -7.0 29.0 28.0 37.0 25.0 N VU VU U N U N U Humidity 700-500 hPa 34.0 37.0 40.0 42.0 46.0 53.0 66.0 64.0 VU VU VU VU VU U N N T Advectio [10^6 K/s] -12.0 -12.0 -13.0 -19.0 -20.0 -12.0 -27.0 -12.0 F F VF VF VF F VF F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.0% 0.2% 0.1% 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% 0.2% 0.1% 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