Rapid Intensification Guidance AL182021 210923 18UTC Storm Located at : 11.00 39.10 Guidance run with Vmax [kt]: 50. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 50.00 N 12-H DELTA VMAX [kt] 15.00 F CORE SIZE [km] 4.60 F CONVECTION <-50C [%] 40.00 U CONVECTION <-60C [%] 17.00 U IR CORE SYMMETRY [K] 9.10 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] 8.2 9.8 9.4 10.6 14.5 17.2 13.7 17.3 VF F F F F F F F Ocean Heat [kJ/cm^2] 15.0 20.0 18.0 20.0 23.0 25.0 43.0 49.0 U U U U U U N N Potential [kt] 107.3 112.0 115.0 115.0 115.0 112.0 105.1 100.7 N N N N N N N N 200mb Divg [10^6/s] 18.0 19.0 54.0 44.0 59.0 32.0 99.0 62.0 U U N N N N F N Humidity 700-500 hPa 61.0 61.0 58.0 57.0 55.0 54.0 55.0 51.0 N N U U U U U U T Advectio [10^6 K/s] 0.0 0.0 0.0 1.0 1.0 2.0 0.0 0.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 21.2% 23.2% 22.2% 25kt / 24h 41.1% 66.5% 53.8% 30kt / 24h 40.4% 59.9% 50.2% 35kt / 24h 40.4% 59.9% 50.2% 40kt / 24h 40.4% 59.9% 50.2% 45kt / 36h 39.9% 69.3% 54.6% 55kt / 36h 0.0% 55.1% 27.6% 55kt / 48h 27.5% 45.3% 36.4% 70kt / 48h 17.0% 33.4% 25.2% 65kt / 72h 29.6% 37.5% 33.6%