Rapid Intensification Guidance AL172020 200919 18UTC Storm Located at : 35.90 29.80 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] -5.00 U CORE SIZE [km] 11.00 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 1.50 F TC SIZE [%] 106.00 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] 21.4 18.5 19.3 25.3 37.3 42.2 44.1 42.2 N N N N U VU VU 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] 74.4 75.8 74.4 74.4 70.4 65.5 60.9 55.7 U U U U U U U U 200mb Divg [10^6/s] -6.0 -5.0 -10.0 -14.0 -25.0 -16.0 -54.0 17.0 U U U U VU U VU U Humidity 700-500 hPa 33.0 37.0 38.0 39.0 40.0 39.0 39.0 49.0 VU VU VU VU VU VU VU U T Advectio [10^6 K/s] -8.0 -8.0 -10.0 -16.0 -9.0 -10.0 -13.0 -13.0 F F F VF F F VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.0% 25kt / 24h 0.0% 0.1% 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