Rapid Intensification Guidance AL202020 200913 18UTC Storm Located at : 12.50 37.00 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] 4.20 F CONVECTION <-50C [%] 32.00 U CONVECTION <-60C [%] 14.00 U IR CORE SYMMETRY [K] 6.30 F TC SIZE [%] 93.00 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] 19.8 18.3 13.8 10.8 14.3 19.5 22.8 20.6 N F F F F N N N Ocean Heat [kJ/cm^2] 10.0 11.0 11.0 10.0 19.0 38.0 45.0 25.0 U U U U U U N U Potential [kt] 125.1 120.7 120.7 122.9 127.3 127.3 127.3 129.6 N N N N N N N F 200mb Divg [10^6/s] 120.0 112.0 75.0 76.0 91.0 81.0 59.0 31.0 F F N N F N N N Humidity 700-500 hPa 67.0 66.0 62.0 60.0 63.0 62.0 60.0 57.0 N N N N N N N U T Advectio [10^6 K/s] -23.0 -16.0 -5.0 -2.0 -6.0 -1.0 1.0 1.0 VF VF F N F N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.2% 1.0% 0.6% 25kt / 24h 2.6% 12.5% 7.6% 30kt / 24h 0.8% 4.0% 2.4% 35kt / 24h 0.5% 4.0% 2.2% 40kt / 24h 0.5% 4.0% 2.2% 45kt / 36h 4.6% 24.2% 14.4% 55kt / 36h 2.2% 8.8% 5.5% 55kt / 48h 13.7% 10.2% 11.9% 70kt / 48h 10.2% 13.6% 11.9% 65kt / 72h 25.6% 23.7% 24.7%