Rapid Intensification Guidance AL122021 210901 18UTC Storm Located at : 12.40 28.40 Guidance run with Vmax [kt]: 55. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 55.00 N 12-H DELTA VMAX [kt] 15.00 F CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 79.00 N CONVECTION <-60C [%] 44.00 N IR CORE SYMMETRY [K] 10.00 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] 20.4 20.0 14.9 17.0 17.1 24.0 19.8 19.8 N N F F F N N N Ocean Heat [kJ/cm^2] 7.0 6.0 5.0 11.0 17.0 9.0 20.0 15.0 U U U U U U U U Potential [kt] 95.7 93.6 89.4 83.5 81.6 78.0 74.4 81.6 N N N N N N U N 200mb Divg [10^6/s] 12.0 26.0 56.0 123.0 62.0 52.0 9.0 30.0 U U N F N N U N Humidity 700-500 hPa 73.0 73.0 71.0 69.0 66.0 64.0 56.0 50.0 N N N N N N U U T Advectio [10^6 K/s] -18.0 -15.0 -12.0 -11.0 -8.0 -3.0 -2.0 -4.0 VF VF F F F N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 16.0% 14.6% 15.3% 25kt / 24h 25.2% 40.7% 32.9% 30kt / 24h 17.5% 32.7% 25.1% 35kt / 24h 17.5% 32.7% 25.1% 40kt / 24h 8.3% 31.0% 19.7% 45kt / 36h 13.3% 42.8% 28.0% 55kt / 36h 0.0% 27.7% 13.9% 55kt / 48h 6.9% 4.7% 5.8% 70kt / 48h 4.7% 12.9% 8.8% 65kt / 72h 1.0% 8.8% 4.9%