Rapid Intensification Guidance AL182020 200908 06UTC Storm Located at : 16.30 24.20 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 [%] 22.00 U CONVECTION <-60C [%] 4.00 U IR CORE SYMMETRY [K] 7.10 F TC SIZE [%] 89.00 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] 15.0 13.6 12.1 16.6 14.4 12.9 12.2 22.8 F F F F F F F N Ocean Heat [kJ/cm^2] 8.0 10.0 10.0 13.0 6.0 6.0 9.0 1.0 U U U U U U U U Potential [kt] 101.6 98.0 92.7 89.3 87.7 86.1 87.7 92.7 N N N N N N N N 200mb Divg [10^6/s] 5.0 -1.0 21.0 10.0 8.0 11.0 0.0 6.0 U U U U U U U U Humidity 700-500 hPa 68.0 67.0 66.0 67.0 63.0 68.0 65.0 65.0 N N N N N N N N T Advectio [10^6 K/s] 5.0 0.0 0.0 3.0 1.0 2.0 2.0 11.0 N N N N N N N U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.7% 0.4% 25kt / 24h 0.4% 2.6% 1.5% 30kt / 24h 0.1% 0.8% 0.5% 35kt / 24h 0.0% 0.7% 0.3% 40kt / 24h 0.0% 0.6% 0.3% 45kt / 36h 0.1% 4.5% 2.3% 55kt / 36h 0.1% 1.5% 0.8% 55kt / 48h 2.8% 2.8% 2.8% 70kt / 48h 2.8% 1.3% 2.1% 65kt / 72h 0.2% 2.1% 1.1% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons