Rapid Intensification Guidance AL182020 200908 12UTC Storm Located at : 16.40 25.80 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] 0.00 N CORE SIZE [km] 2.60 F CONVECTION <-50C [%] 32.00 U CONVECTION <-60C [%] 17.00 U IR CORE SYMMETRY [K] 8.20 F TC SIZE [%] 77.00 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] 14.1 13.2 18.2 18.5 19.3 10.9 15.5 23.9 F F F N N F F N Ocean Heat [kJ/cm^2] 11.0 11.0 12.0 12.0 2.0 6.0 7.0 0.0 U U U U U U U U Potential [kt] 98.0 94.4 89.3 87.7 87.7 86.1 89.3 94.4 N N N N N N N N 200mb Divg [10^6/s] -10.0 0.0 10.0 -24.0 27.0 4.0 -7.0 9.0 U U U VU U U U U Humidity 700-500 hPa 68.0 69.0 68.0 68.0 70.0 69.0 67.0 64.0 N N N N N N N N T Advectio [10^6 K/s] -2.0 -1.0 0.0 2.0 2.0 1.0 6.0 12.0 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 0.3% 2.1% 1.2% 30kt / 24h 0.1% 0.7% 0.4% 35kt / 24h 0.0% 0.5% 0.3% 40kt / 24h 0.0% 0.4% 0.2% 45kt / 36h 0.1% 4.0% 2.0% 55kt / 36h 0.1% 1.4% 0.7% 55kt / 48h 2.3% 2.3% 2.3% 70kt / 48h 2.3% 1.4% 1.8% 65kt / 72h 0.0% 1.8% 0.9% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons