Rapid Intensification Guidance AL172023 231001 18UTC Storm Located at : 16.30 58.80 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 N 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 2.60 F CONVECTION <-50C [%] 19.00 U CONVECTION <-60C [%] 18.00 U IR CORE SYMMETRY [K] 2.40 F TC SIZE [%] 64.00 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] 38.4 33.3 32.5 30.2 30.3 26.7 30.8 19.6 U U U N N N U N Ocean Heat [kJ/cm^2] 75.0 86.0 95.0 95.0 75.0 81.0 69.0 31.0 N N F F N N N U Potential [kt] 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] 23.0 15.0 27.0 45.0 9.0 30.0 41.0 64.0 U U U N U N N N Humidity 700-500 hPa 59.0 60.0 60.0 61.0 63.0 67.0 71.0 75.0 U N N N N N N F T Advectio [10^6 K/s] 0.0 0.0 -1.0 2.0 0.0 10.0 0.0 6.0 N N N N N U N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.8% 0.7% 0.8% 25kt / 24h 1.6% 6.0% 3.8% 30kt / 24h 1.1% 1.8% 1.4% 35kt / 24h 0.8% 1.5% 1.2% 40kt / 24h 0.8% 1.5% 1.2% 45kt / 36h 2.0% 4.0% 3.0% 55kt / 36h 0.0% 0.7% 0.3% 55kt / 48h 3.1% 2.5% 2.8% 70kt / 48h 1.4% 0.7% 1.0% 65kt / 72h 14.6% 4.0% 9.3% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.64 AL172023 231001 18UTC Storm Located at : 16.30 58.80 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 U 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 2.60 F TC SIZE [%] 64.00 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] 38.4 33.3 32.5 30.2 30.3 26.7 30.8 19.6 F F N N N N N N Humidity 700-500 hPa 59.0 60.0 60.0 61.0 63.0 67.0 71.0 75.0 F N N N N N N U T Advectio [10^6 K/s] 0.0 0.0 -1.0 2.0 0.0 10.0 0.0 6.0 N N N N N F N N Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.2% 0.1%