Rapid Intensification Guidance AL092021 210831 18UTC Storm Located at : 35.10 87.10 Guidance run with Vmax [kt]: 20. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 20.00 F 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 10.20 F CONVECTION <-50C [%] 4.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 6.20 F TC SIZE [%] 142.00 U 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] 24.2 27.1 32.1 42.1 46.2 51.5 53.2 58.7 N N U VU VU VU VU VU Ocean Heat [kJ/cm^2] 4.0 5.0 4.0 4.0 4.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 122.4 116.6 114.8 113.0 106.0 82.9 65.9 52.1 N N N N N N U U 200mb Divg [10^6/s] 22.0 13.0 11.0 16.0 62.0 54.0 50.0 56.0 U U U U N N N N Humidity 700-500 hPa 63.0 56.0 50.0 45.0 40.0 38.0 43.0 44.0 N U U VU VU VU VU VU T Advectio [10^6 K/s] 17.0 -3.0 0.0 2.0 5.0 6.0 -2.0 -5.0 U N N N N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.2% 0.4% 0.3% 30kt / 24h 0.2% 0.1% 0.1% 35kt / 24h 0.0% 0.1% 0.0% 40kt / 24h 0.0% 0.1% 0.0% 45kt / 36h 0.0% 0.4% 0.2% 55kt / 36h 0.0% 0.1% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons