Rapid Intensification Guidance AL172020 200921 06UTC Storm Located at : 33.30 31.20 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] 11.40 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 3.40 F TC SIZE [%] 99.00 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] 12.6 16.6 20.8 18.9 27.6 19.8 34.1 30.3 F F N N N N U 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] 89.3 86.1 81.5 75.8 67.9 60.9 51.8 45.0 N N N U U U U U 200mb Divg [10^6/s] -30.0 -18.0 35.0 30.0 27.0 19.0 96.0 20.0 VU U N N U U F U Humidity 700-500 hPa 37.0 40.0 43.0 46.0 51.0 62.0 64.0 57.0 VU VU VU VU U N N U T Advectio [10^6 K/s] -13.0 -15.0 -17.0 -32.0 2.0 -35.0 -12.0 -27.0 VF VF VF VF N VF F VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.3% 0.1% 25kt / 24h 0.0% 0.5% 0.3% 30kt / 24h 0.0% 0.2% 0.1% 35kt / 24h 0.0% 0.1% 0.0% 40kt / 24h 0.0% 0.1% 0.0% 45kt / 36h 0.0% 0.7% 0.4% 55kt / 36h 0.0% 0.2% 0.1% 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