Rapid Intensification Guidance AL182020 200912 06UTC Storm Located at : 22.00 42.90 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] 6.60 F CONVECTION <-50C [%] 18.00 U CONVECTION <-60C [%] 12.00 U IR CORE SYMMETRY [K] 5.00 F TC SIZE [%] 58.00 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] 17.1 16.4 21.6 28.6 34.3 44.5 35.4 30.0 F F N N U VU U N Ocean Heat [kJ/cm^2] 5.0 17.0 17.0 15.0 13.0 12.0 12.0 19.0 U U U U U U U U Potential [kt] 103.5 105.5 107.4 113.6 130.0 130.0 130.0 130.0 N N N N F F F F 200mb Divg [10^6/s] 13.0 30.0 -11.0 -3.0 31.0 -6.0 -39.0 -55.0 U N U U N U VU VU Humidity 700-500 hPa 47.0 47.0 49.0 50.0 53.0 52.0 49.0 46.0 VU VU U U U U U VU T Advectio [10^6 K/s] 0.0 1.0 7.0 6.0 2.0 3.0 -1.0 -4.0 N N N N N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.7% 0.4% 25kt / 24h 0.4% 2.7% 1.5% 30kt / 24h 0.1% 0.8% 0.5% 35kt / 24h 0.0% 0.6% 0.3% 40kt / 24h 0.0% 0.6% 0.3% 45kt / 36h 0.0% 3.5% 1.7% 55kt / 36h 0.0% 0.8% 0.4% 55kt / 48h 0.1% 0.7% 0.4% 70kt / 48h 0.1% 0.5% 0.3% 65kt / 72h 0.0% 0.9% 0.4% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons