Rapid Intensification Guidance AL202020 200914 18UTC Storm Located at : 12.90 43.40 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 N 12-H DELTA VMAX [kt] 10.00 F CORE SIZE [km] 3.00 F CONVECTION <-50C [%] 31.00 U CONVECTION <-60C [%] 17.00 U IR CORE SYMMETRY [K] 8.50 F TC SIZE [%] 85.00 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] 11.3 13.9 16.6 19.3 19.0 21.7 27.8 25.8 F F F N N N N N Ocean Heat [kJ/cm^2] 14.0 25.0 28.0 26.0 25.0 24.0 31.0 45.0 U U U U U U U N Potential [kt] 117.0 117.0 117.0 117.0 117.0 119.3 119.3 120.0 N N N N N N N N 200mb Divg [10^6/s] 100.0 118.0 114.0 131.0 65.0 -3.0 19.0 49.0 F F F F N U U N Humidity 700-500 hPa 61.0 61.0 58.0 58.0 55.0 53.0 51.0 51.0 N N U U U U U U T Advectio [10^6 K/s] -12.0 -9.0 -4.0 -2.0 0.0 0.0 7.0 8.0 F F F N N N N U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 10.5% 10.7% 10.6% 25kt / 24h 28.7% 47.5% 38.1% 30kt / 24h 19.1% 38.1% 28.6% 35kt / 24h 18.7% 38.1% 28.4% 40kt / 24h 18.7% 38.1% 28.4% 45kt / 36h 28.3% 46.6% 37.5% 55kt / 36h 15.6% 25.1% 20.3% 55kt / 48h 20.9% 26.1% 23.5% 70kt / 48h 12.9% 19.3% 16.1% 65kt / 72h 19.8% 18.8% 19.3%