Rapid Intensification Guidance AL182020 200909 00UTC Storm Located at : 16.80 28.60 Guidance run with Vmax [kt]: 30. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 30.00 F 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 5.40 F CONVECTION <-50C [%] 20.00 U CONVECTION <-60C [%] 11.00 U IR CORE SYMMETRY [K] 7.00 F TC SIZE [%] 76.00 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] 19.2 20.4 19.5 22.5 12.4 16.5 30.1 37.4 N N N N F F N U Ocean Heat [kJ/cm^2] 11.0 11.0 2.0 2.0 6.0 6.0 0.0 6.0 U U U U U U U U Potential [kt] 94.3 91.1 91.1 91.1 91.1 94.3 99.4 104.8 N N N N N N N N 200mb Divg [10^6/s] 9.0 -2.0 22.0 22.0 -14.0 0.0 -17.0 29.0 U U U U U U U N Humidity 700-500 hPa 66.0 66.0 68.0 68.0 70.0 69.0 64.0 66.0 N N N N N N N N T Advectio [10^6 K/s] 0.0 0.0 -2.0 0.0 0.0 9.0 16.0 23.0 N N N N N U U VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.2% 0.1% 25kt / 24h 0.0% 0.5% 0.3% 30kt / 24h 0.0% 0.1% 0.1% 35kt / 24h 0.0% 0.1% 0.0% 40kt / 24h 0.0% 0.1% 0.0% 45kt / 36h 0.1% 1.5% 0.8% 55kt / 36h 0.0% 0.4% 0.2% 55kt / 48h 0.9% 0.9% 0.9% 70kt / 48h 0.9% 0.5% 0.7% 65kt / 72h 0.0% 0.6% 0.3% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons