Rapid Intensification Guidance AL172023 231004 12UTC Storm Located at : 20.80 65.60 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] 0.00 N CORE SIZE [km] 6.20 F CONVECTION <-50C [%] 29.00 U CONVECTION <-60C [%] 22.00 U IR CORE SYMMETRY [K] 6.30 F TC SIZE [%] 107.00 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] 29.5 27.6 30.1 25.7 34.2 38.0 38.8 34.5 N N N N U U U U Ocean Heat [kJ/cm^2] 54.0 53.0 51.0 39.0 14.0 12.0 0.0 0.0 N N N U U U U U Potential [kt] 125.0 125.0 125.0 125.0 115.1 96.6 79.6 75.0 N N N N N N N U 200mb Divg [10^6/s] 104.0 86.0 125.0 115.0 95.0 83.0 122.0 110.0 F F F F F N F F Humidity 700-500 hPa 77.0 77.0 78.0 77.0 76.0 72.0 65.0 66.0 F F F F F N N N T Advectio [10^6 K/s] 0.0 2.0 6.0 11.0 20.0 47.0 78.0 135.0 N N N U VU VU VU VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.0% 1.2% 1.1% 25kt / 24h 6.1% 12.6% 9.4% 30kt / 24h 2.2% 4.4% 3.3% 35kt / 24h 0.7% 4.0% 2.4% 40kt / 24h 0.7% 4.0% 2.4% 45kt / 36h 3.6% 8.1% 5.9% 55kt / 36h 0.0% 1.8% 0.9% 55kt / 48h 1.8% 2.0% 1.9% 70kt / 48h 0.4% 0.6% 0.5% 65kt / 72h 2.3% 0.4% 1.3% Convective Decapatation Guidance For SSTs greater than 27.5C Current sst along the future track = 28.70 AL172023 231004 12UTC Storm Located at : 20.80 65.60 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] 0.00 N CORE SIZE [km] 6.20 F TC SIZE [%] 107.00 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] 29.5 27.6 30.1 25.7 34.2 38.0 38.8 34.5 N N N N F F F F Humidity 700-500 hPa 77.0 77.0 78.0 77.0 76.0 72.0 65.0 66.0 U U U U U N N N T Advectio [10^6 K/s] 0.0 2.0 6.0 11.0 20.0 47.0 78.0 135.0 N N N F VF VF VF VF Probabilities[%] of Storm Decapitation Thresholds LDA-Method LRE-Method CONSENSUS -30kt / 24h 0.0% 0.0% 0.0%