Rapid Intensification Guidance AL182021 210923 12UTC Storm Located at : 10.80 37.40 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] 10.00 F CORE SIZE [km] 3.00 F CONVECTION <-50C [%] 40.00 U CONVECTION <-60C [%] 14.00 U IR CORE SYMMETRY [K] 9.40 F TC SIZE [%] 57.00 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] 10.6 7.7 8.6 11.6 12.5 16.7 14.2 18.7 F VF F F F F F N Ocean Heat [kJ/cm^2] 17.0 15.0 17.0 19.0 19.0 20.0 27.0 40.0 U U U U U U U N Potential [kt] 117.3 117.3 119.6 124.3 124.3 122.0 115.1 108.6 N N N N N N N N 200mb Divg [10^6/s] 14.0 17.0 21.0 55.0 36.0 43.0 49.0 55.0 U U U N N N N N Humidity 700-500 hPa 61.0 62.0 62.0 59.0 56.0 56.0 56.0 51.0 N N N U U U U U T Advectio [10^6 K/s] 3.0 0.0 0.0 0.0 0.0 0.0 1.0 -1.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 7.2% 11.2% 9.2% 25kt / 24h 20.1% 50.4% 35.3% 30kt / 24h 15.2% 37.7% 26.4% 35kt / 24h 14.6% 37.7% 26.1% 40kt / 24h 14.6% 37.7% 26.1% 45kt / 36h 23.7% 61.7% 42.7% 55kt / 36h 0.0% 45.2% 22.6% 55kt / 48h 24.6% 40.1% 32.3% 70kt / 48h 14.4% 31.6% 23.0% 65kt / 72h 27.4% 39.2% 33.3%