Rapid Intensification Guidance AL142020 200821 18UTC Storm Located at : 17.40 84.10 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] 3.00 F CONVECTION <-50C [%] 5.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 5.50 F TC SIZE [%] 101.00 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] 16.5 16.8 17.6 13.8 17.2 14.6 25.8 29.0 F F F F F F N N Ocean Heat [kJ/cm^2] 100.0 121.0 120.0 103.0 36.0 38.0 62.0 55.0 F F F F U U 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] 74.0 102.0 96.0 78.0 69.0 24.0 46.0 28.0 N F F N N U N U Humidity 700-500 hPa 76.0 73.0 70.0 69.0 66.0 64.0 60.0 62.0 F N N N N N N N T Advectio [10^6 K/s] 0.0 2.0 5.0 4.0 9.0 -3.0 10.0 3.0 N N N N U N U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.4% 2.8% 2.1% 25kt / 24h 14.5% 30.1% 22.3% 30kt / 24h 8.6% 12.1% 10.3% 35kt / 24h 1.8% 12.1% 6.9% 40kt / 24h 1.8% 12.1% 6.9% 45kt / 36h 22.7% 37.5% 30.1% 55kt / 36h 15.4% 14.8% 15.1% 55kt / 48h 44.9% 29.9% 37.4% 70kt / 48h 24.7% 19.6% 22.1% 65kt / 72h 60.9% 35.0% 48.0%