Rapid Intensification Guidance AL152023 230921 12UTC Storm Located at : 41.30 46.30 Guidance run with Vmax [kt]: 75. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 75.00 N 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 8.60 F CONVECTION <-50C [%] 64.00 N CONVECTION <-60C [%] 25.00 U IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 144.00 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] 48.3 59.2 68.4 80.8 66.5 43.6 22.7 14.4 VU VU VU VU VU VU N F 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] 5.0 -5.4 -16.9 -22.1 -26.8 -29.6 -30.9 -31.5 VU VU VU VU VU VU VU VU 200mb Divg [10^6/s] 61.0 75.0 100.0 115.0 73.0 82.0 34.0 8.0 N N F F N N N U Humidity 700-500 hPa 34.0 34.0 41.0 51.0 54.0 58.0 77.0 79.0 VU VU VU U U U F F T Advectio [10^6 K/s] 11.0 68.0 114.0 159.0 168.0 124.0 18.0 -18.0 U VU VU VU VU VU VU VF 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 = 20.40 AL152023 230921 12UTC Storm Located at : 41.30 46.30 Guidance run with Vmax [kt]: 75.