Rapid Intensification Guidance AL182020 200908 18UTC Storm Located at : 16.70 27.20 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] 5.00 F CONVECTION <-50C [%] 20.00 U CONVECTION <-60C [%] 1.00 U IR CORE SYMMETRY [K] 9.00 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] 13.4 19.2 19.7 17.6 17.7 11.0 21.9 33.3 F N N F F F N U Ocean Heat [kJ/cm^2] 11.0 11.0 11.0 2.0 5.0 7.0 2.0 0.0 U U U U U U U U Potential [kt] 92.7 89.3 87.7 86.1 86.1 87.7 91.0 98.0 N N N N N N N N 200mb Divg [10^6/s] 1.0 13.0 -17.0 13.0 7.0 -1.0 -33.0 12.0 U U U U U U VU U Humidity 700-500 hPa 67.0 66.0 64.0 66.0 70.0 68.0 68.0 65.0 N N N N N N N N T Advectio [10^6 K/s] 0.0 0.0 -1.0 -1.0 1.0 0.0 12.0 20.0 N N N N N N U VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.4% 0.3% 25kt / 24h 0.0% 1.2% 0.6% 30kt / 24h 0.0% 0.4% 0.2% 35kt / 24h 0.0% 0.3% 0.1% 40kt / 24h 0.0% 0.2% 0.1% 45kt / 36h 0.2% 2.3% 1.2% 55kt / 36h 0.0% 0.7% 0.4% 55kt / 48h 2.0% 2.0% 2.0% 70kt / 48h 2.0% 0.9% 1.4% 65kt / 72h 0.0% 0.9% 0.4% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons