Rapid Intensification Guidance AL182020 200909 06UTC Storm Located at : 17.20 29.90 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] 0.00 N CORE SIZE [km] 3.80 F CONVECTION <-50C [%] 72.00 N CONVECTION <-60C [%] 59.00 N IR CORE SYMMETRY [K] 9.30 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] 18.0 19.8 22.2 17.1 11.1 19.6 32.5 46.5 F N N F F N U VU Ocean Heat [kJ/cm^2] 8.0 1.0 1.0 5.0 7.0 2.0 0.0 21.0 U U U U U U U U Potential [kt] 91.1 91.1 91.1 91.1 92.7 97.7 103.0 112.4 N N N N N N N N 200mb Divg [10^6/s] -20.0 -10.0 3.0 -20.0 3.0 -19.0 5.0 0.0 VU U U VU U U U U Humidity 700-500 hPa 63.0 65.0 65.0 66.0 67.0 65.0 62.0 68.0 N N N N N N N N T Advectio [10^6 K/s] 0.0 -2.0 0.0 0.0 1.0 9.0 20.0 18.0 N N N N N U VU VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.5% 0.2% 25kt / 24h 0.1% 1.8% 1.0% 30kt / 24h 0.0% 0.5% 0.2% 35kt / 24h 0.0% 0.5% 0.2% 40kt / 24h 0.0% 0.2% 0.1% 45kt / 36h 0.1% 7.0% 3.6% 55kt / 36h 0.0% 3.0% 1.5% 55kt / 48h 1.4% 1.4% 1.4% 70kt / 48h 1.4% 2.2% 1.8% 65kt / 72h 0.0% 1.2% 0.6% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons