Rapid Intensification Guidance AL222020 200917 18UTC Storm Located at : 21.80 94.40 Guidance run with Vmax [kt]: 30. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 30.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 7.80 F CONVECTION <-50C [%] 30.00 U CONVECTION <-60C [%] 7.00 U IR CORE SYMMETRY [K] 8.80 F TC SIZE [%] 110.00 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] 15.5 16.9 14.9 19.6 24.2 24.0 22.7 18.5 F F F N N N N N Ocean Heat [kJ/cm^2] 87.0 93.0 89.0 84.0 89.0 77.0 61.0 53.0 N F F N F N N N Potential [kt] 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 F F F F F F F F 200mb Divg [10^6/s] 35.0 37.0 52.0 54.0 18.0 62.0 38.0 43.0 N N N N U N N N Humidity 700-500 hPa 76.0 79.0 79.0 76.0 66.0 58.0 53.0 55.0 F F F F N U U U T Advectio [10^6 K/s] 0.0 0.0 -1.0 -1.0 2.0 5.0 13.0 9.0 N N N N N N U U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.2% 3.6% 2.4% 25kt / 24h 12.0% 30.2% 21.1% 30kt / 24h 6.4% 12.4% 9.4% 35kt / 24h 2.3% 12.4% 7.4% 40kt / 24h 0.7% 12.4% 6.6% 45kt / 36h 11.5% 33.3% 22.4% 55kt / 36h 7.8% 14.3% 11.0% 55kt / 48h 29.4% 24.3% 26.8% 70kt / 48h 23.7% 16.8% 20.3% 65kt / 72h 55.8% 37.5% 46.7%