Rapid Intensification Guidance AL202023 231021 06UTC Storm Located at : 14.90 60.30 Guidance run with Vmax [kt]: 70. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 70.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 45.00 N CONVECTION <-60C [%] 27.00 U IR CORE SYMMETRY [K] 8.20 F TC SIZE [%] 68.00 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] 24.3 25.0 27.1 25.0 21.6 31.0 23.5 30.9 N N N N N U N U Ocean Heat [kJ/cm^2] 63.0 71.0 75.0 75.0 81.0 70.0 55.0 51.0 N N N N N N N N Potential [kt] 95.0 95.0 95.0 95.0 95.0 95.0 95.0 94.3 N N N N N N N N 200mb Divg [10^6/s] 19.0 33.0 34.0 44.0 47.0 46.0 61.0 68.0 U N N N N N N N Humidity 700-500 hPa 65.0 64.0 64.0 67.0 67.0 69.0 66.0 59.0 N N N N N N N U T Advectio [10^6 K/s] 13.0 16.0 4.0 6.0 14.0 4.0 8.0 0.0 U U N N U N U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 18.0% 10.7% 14.4% 25kt / 24h 25.5% 33.2% 29.4% 30kt / 24h 23.2% 23.7% 23.5% 35kt / 24h 23.2% 23.7% 23.5% 40kt / 24h 23.2% 23.7% 23.5% 45kt / 36h 25.0% 15.2% 20.1% 55kt / 36h 0.0% 5.0% 2.5% 55kt / 48h 12.5% 11.2% 11.9% 70kt / 48h 4.5% 1.8% 3.2% 65kt / 72h 13.6% 3.7% 8.7% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.70 AL202023 231021 06UTC Storm Located at : 14.90 60.30 Guidance run with Vmax [kt]: 70. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 70.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F TC SIZE [%] 68.00 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] 24.3 25.0 27.1 25.0 21.6 31.0 23.5 30.9 N N N N N N N N Humidity 700-500 hPa 65.0 64.0 64.0 67.0 67.0 69.0 66.0 59.0 N N N N N N N F T Advectio [10^6 K/s] 13.0 16.0 4.0 6.0 14.0 4.0 8.0 0.0 F F N N F N F N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.3% 0.1%