Rapid Intensification Guidance AL152023 230920 00UTC Storm Located at : 32.50 54.80 Guidance run with Vmax [kt]: 85. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 85.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 9.80 F CONVECTION <-50C [%] 72.00 N CONVECTION <-60C [%] 47.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 122.00 N 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] 21.0 21.7 25.1 28.8 40.8 61.7 80.9 76.0 N N N N VU VU VU VU Ocean Heat [kJ/cm^2] 12.0 12.0 13.0 12.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 42.7 33.0 28.6 25.8 -5.8 -20.9 -31.8 -36.6 U VU VU VU VU VU VU VU 200mb Divg [10^6/s] 21.0 50.0 101.0 76.0 95.0 95.0 77.0 60.0 U N F N F F N N Humidity 700-500 hPa 54.0 55.0 52.0 46.0 40.0 40.0 51.0 52.0 U U U VU VU VU U U T Advectio [10^6 K/s] 2.0 -2.0 -4.0 0.0 7.0 84.0 138.0 154.0 N N F N N VU VU VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 7.2% 2.2% 4.7% 25kt / 24h 1.3% 2.2% 1.8% 30kt / 24h 1.0% 1.2% 1.1% 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 = 26.14 AL152023 230920 00UTC Storm Located at : 32.50 54.80 Guidance run with Vmax [kt]: 85.