Rapid Intensification Guidance AL172020 200922 00UTC Storm Located at : 33.60 26.20 Guidance run with Vmax [kt]: 50. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 50.00 N 12-H DELTA VMAX [kt] 15.00 F CORE SIZE [km] 10.20 F CONVECTION <-50C [%] 2.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 4.80 F TC SIZE [%] 104.00 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] 28.4 37.9 35.9 26.9 26.9 26.7 28.0 21.3 N U U N N N N N 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] 60.8 58.0 54.2 51.7 45.9 44.8 44.8 47.0 U U U U U U U U 200mb Divg [10^6/s] 6.0 -33.0 43.0 68.0 50.0 -16.0 0.0 -30.0 U VU N N N U U VU Humidity 700-500 hPa 45.0 45.0 47.0 54.0 54.0 49.0 48.0 41.0 VU VU VU U U U U VU T Advectio [10^6 K/s] -33.0 -8.0 6.0 -9.0 -20.0 -7.0 -4.0 8.0 VF F N F VF F F U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.4% 0.3% 0.9% 25kt / 24h 0.0% 0.3% 0.1% 30kt / 24h 0.0% 0.1% 0.0% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.1% 0.5% 0.3% 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