Rapid Intensification Guidance AL172021 210922 18UTC Storm Located at : 23.80 39.70 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] 7.40 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 0.00 F TC SIZE [%] 66.00 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] 27.3 31.0 31.0 37.1 40.1 38.5 43.1 31.9 N U U U U U VU U Ocean Heat [kJ/cm^2] 19.0 25.0 23.0 17.0 11.0 10.0 5.0 0.0 U U U U U U U U Potential [kt] 99.4 101.2 103.0 106.6 104.8 99.4 91.1 86.5 N N N N N N N N 200mb Divg [10^6/s] 10.0 9.0 1.0 6.0 2.0 35.0 9.0 10.0 U U U U U N U U Humidity 700-500 hPa 39.0 42.0 43.0 45.0 49.0 50.0 52.0 52.0 VU VU VU VU U U U U T Advectio [10^6 K/s] 3.0 5.0 5.0 7.0 7.0 7.0 11.0 12.0 N N N N N N U U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.2% 0.5% 0.3% 30kt / 24h 0.2% 0.1% 0.2% 35kt / 24h 0.0% 0.1% 0.0% 40kt / 24h 0.0% 0.1% 0.0% 45kt / 36h 0.0% 0.6% 0.3% 55kt / 36h 0.0% 0.1% 0.0% 55kt / 48h 0.1% 0.1% 0.1% 70kt / 48h 0.1% 0.1% 0.1% 65kt / 72h 0.0% 0.1% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons