Rapid Intensification Guidance AL152023 230921 00UTC Storm Located at : 38.20 51.70 Guidance run with Vmax [kt]: 80. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 80.00 N 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 9.00 F CONVECTION <-50C [%] 46.00 N CONVECTION <-60C [%] 14.00 U IR CORE SYMMETRY [K] 8.80 F TC SIZE [%] 130.00 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] 26.9 35.4 45.6 60.1 84.6 71.5 45.9 25.9 N U VU VU VU VU VU N Ocean Heat [kJ/cm^2] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 21.7 -0.8 0.0 -14.9 -27.1 -31.6 -34.4 -35.5 VU VU VU VU VU VU VU VU 200mb Divg [10^6/s] 85.0 87.0 69.0 66.0 113.0 83.0 82.0 55.0 F F N N F N N N Humidity 700-500 hPa 41.0 37.0 34.0 36.0 51.0 51.0 58.0 77.0 VU VU VU VU U U U F T Advectio [10^6 K/s] -5.0 -5.0 28.0 72.0 146.0 197.0 134.0 26.0 F F VU VU VU VU VU VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 25kt / 24h 0.0% 0.0% 0.0% 30kt / 24h 0.0% 0.0% 0.0% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 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% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 23.12 AL152023 230921 00UTC Storm Located at : 38.20 51.70 Guidance run with Vmax [kt]: 80.