Rapid Intensification Guidance AL172021 210923 06UTC Storm Located at : 24.90 41.30 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] 10.60 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 0.00 F TC SIZE [%] 61.00 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] 30.9 35.5 38.8 39.6 43.4 36.5 35.8 20.4 U U U U VU U U N Ocean Heat [kJ/cm^2] 29.0 28.0 19.0 13.0 10.0 4.0 0.0 0.0 U U U U U U U U Potential [kt] 104.8 108.5 108.5 108.5 103.0 94.3 88.0 83.6 N N N N N N N N 200mb Divg [10^6/s] 15.0 -15.0 -33.0 -12.0 9.0 3.0 25.0 0.0 U U VU U U U U U Humidity 700-500 hPa 41.0 42.0 45.0 47.0 49.0 52.0 50.0 52.0 VU VU VU VU U U U U T Advectio [10^6 K/s] 5.0 8.0 6.0 6.0 6.0 6.0 14.0 8.0 N U 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% 0.3% 0.3% 30kt / 24h 0.2% 0.1% 0.1% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.4% 0.2% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.1% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons