Rapid Intensification Guidance AL182020 200911 06UTC Storm Located at : 19.50 38.00 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 36.00 U CONVECTION <-60C [%] 29.00 U IR CORE SYMMETRY [K] 5.80 F TC SIZE [%] 65.00 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] 10.1 10.5 9.4 13.5 22.7 35.6 38.7 46.3 F F F F N U U VU Ocean Heat [kJ/cm^2] 0.0 2.0 0.0 0.0 6.0 17.0 16.0 16.0 U U U U U U U U Potential [kt] 87.7 91.2 93.0 94.8 98.5 102.4 115.1 125.0 N N N N N N N N 200mb Divg [10^6/s] -22.0 -17.0 -7.0 -17.0 7.0 -5.0 22.0 12.0 VU U U U U U U U Humidity 700-500 hPa 56.0 54.0 53.0 52.0 52.0 56.0 59.0 61.0 U U U U U U U N T Advectio [10^6 K/s] 0.0 0.0 7.0 2.0 -1.0 10.0 8.0 19.0 N N N N N U U VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.6% 0.4% 25kt / 24h 0.3% 2.7% 1.5% 30kt / 24h 0.1% 1.0% 0.6% 35kt / 24h 0.0% 0.8% 0.4% 40kt / 24h 0.0% 0.6% 0.3% 45kt / 36h 0.1% 3.8% 1.9% 55kt / 36h 0.1% 1.2% 0.6% 55kt / 48h 0.3% 0.3% 0.3% 70kt / 48h 0.3% 0.6% 0.5% 65kt / 72h 0.0% 0.6% 0.3% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons