Rapid Intensification Guidance AL202020 200913 00UTC Storm Located at : 11.70 34.20 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] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 14.00 U CONVECTION <-60C [%] 8.00 U IR CORE SYMMETRY [K] 5.00 F TC SIZE [%] 88.00 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] 16.1 21.9 23.5 24.1 14.6 14.2 16.0 21.1 F N N N F F F N Ocean Heat [kJ/cm^2] 10.0 12.0 13.0 13.0 12.0 11.0 13.0 23.0 U U U U U U U U Potential [kt] 134.3 134.3 129.6 125.1 118.6 120.7 122.9 122.9 F F F N N N N N 200mb Divg [10^6/s] 87.0 116.0 135.0 100.0 84.0 93.0 80.0 95.0 F F VF F N F N F Humidity 700-500 hPa 72.0 70.0 69.0 67.0 64.0 62.0 63.0 61.0 N N N N N N N N T Advectio [10^6 K/s] -8.0 -14.0 -23.0 -25.0 -5.0 -10.0 0.0 1.0 F VF VF VF F F N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.0% 1.9% 1.5% 25kt / 24h 3.8% 14.3% 9.1% 30kt / 24h 1.6% 5.1% 3.4% 35kt / 24h 1.3% 5.1% 3.2% 40kt / 24h 1.3% 5.1% 3.2% 45kt / 36h 5.4% 21.2% 13.3% 55kt / 36h 2.4% 6.7% 4.5% 55kt / 48h 11.7% 8.5% 10.1% 70kt / 48h 8.5% 12.8% 10.7% 65kt / 72h 19.6% 23.6% 21.6%