Rapid Intensification Guidance AL182021 210924 06UTC Storm Located at : 11.40 41.60 Guidance run with Vmax [kt]: 65. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 65.00 N 12-H DELTA VMAX [kt] 15.00 F CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 49.00 N CONVECTION <-60C [%] 20.00 U IR CORE SYMMETRY [K] 9.80 F TC SIZE [%] 62.00 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] 9.9 9.8 9.9 12.3 14.4 12.5 15.1 14.6 F F F F F F F F Ocean Heat [kJ/cm^2] 20.0 20.0 23.0 25.0 25.0 30.0 48.0 44.0 U U U U U U N N Potential [kt] 100.0 100.0 100.0 100.0 100.0 94.6 90.1 85.7 N N N N N N N N 200mb Divg [10^6/s] 56.0 53.0 70.0 72.0 17.0 25.0 38.0 48.0 N N N N U U N N Humidity 700-500 hPa 57.0 58.0 58.0 57.0 56.0 55.0 53.0 50.0 U U U U U U U U T Advectio [10^6 K/s] 0.0 0.0 -2.0 -2.0 0.0 0.0 1.0 3.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 56.3% 42.6% 49.4% 25kt / 24h 82.1% 79.2% 80.7% 30kt / 24h 82.1% 79.2% 80.7% 35kt / 24h 82.1% 79.2% 80.7% 40kt / 24h 82.1% 79.2% 80.7% 45kt / 36h 53.1% 66.7% 59.9% 55kt / 36h 0.0% 52.4% 26.2% 55kt / 48h 33.8% 52.8% 43.3% 70kt / 48h 17.9% 30.0% 24.0% 65kt / 72h 24.5% 27.5% 26.0%