Rapid Intensification Guidance AL172023 230926 00UTC Storm Located at : 17.40 47.30 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 8.00 VU CONVECTION <-60C [%] 4.00 U IR CORE SYMMETRY [K] 2.30 F TC SIZE [%] 79.00 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] 35.2 35.7 32.2 35.9 32.8 26.9 34.5 29.7 U U U U U N U N Ocean Heat [kJ/cm^2] 67.0 68.0 46.0 37.0 52.0 74.0 69.0 69.0 N N N U N N N N Potential [kt] 108.6 110.7 112.9 115.1 117.3 119.6 122.0 122.0 N N N N N N N N 200mb Divg [10^6/s] 23.0 39.0 19.0 32.0 -3.0 14.0 10.0 46.0 U N U N U U U N Humidity 700-500 hPa 66.0 65.0 64.0 65.0 58.0 56.0 48.0 49.0 N N N N U U U U T Advectio [10^6 K/s] 5.0 10.0 7.0 4.0 2.0 -1.0 -1.0 -3.0 N U N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.2% 0.1% 25kt / 24h 0.2% 1.1% 0.7% 30kt / 24h 0.2% 0.3% 0.3% 35kt / 24h 0.0% 0.2% 0.1% 40kt / 24h 0.0% 0.2% 0.1% 45kt / 36h 0.1% 0.8% 0.4% 55kt / 36h 0.0% 0.1% 0.1% 55kt / 48h 0.1% 0.5% 0.3% 70kt / 48h 0.1% 0.1% 0.1% 65kt / 72h 5.3% 1.0% 3.1% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 27.80 AL172023 230926 00UTC Storm Located at : 17.40 47.30 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 U 12-H DELTA VMAX [kt] -5.00 F CORE SIZE [km] 11.80 F TC SIZE [%] 79.00 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] 35.2 35.7 32.2 35.9 32.8 26.9 34.5 29.7 F F N F F N F N Humidity 700-500 hPa 66.0 65.0 64.0 65.0 58.0 56.0 48.0 49.0 N N N N F F F F T Advectio [10^6 K/s] 5.0 10.0 7.0 4.0 2.0 -1.0 -1.0 -3.0 N F N N N N N N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.1% 0.1% 0.1%