Rapid Intensification Guidance AL172020 200912 06UTC Storm Located at : 26.40 55.50 Guidance run with Vmax [kt]: 60. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 60.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 5.80 F CONVECTION <-50C [%] 61.00 N CONVECTION <-60C [%] 38.00 N IR CORE SYMMETRY [K] 7.40 F TC SIZE [%] 90.00 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] 27.5 21.6 18.3 13.1 8.3 10.1 11.1 25.5 N N F F VF F F N Ocean Heat [kJ/cm^2] 24.0 28.0 27.0 24.0 24.0 19.0 28.0 18.0 U U U U U U U U Potential [kt] 105.0 105.0 105.0 105.0 105.0 105.0 105.0 105.0 N N N N N N N N 200mb Divg [10^6/s] 45.0 11.0 18.0 -19.0 29.0 15.0 4.0 35.0 N U U U N U U N Humidity 700-500 hPa 42.0 40.0 40.0 39.0 38.0 38.0 41.0 46.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 15.0 12.0 11.0 8.0 1.0 -1.0 3.0 0.0 U U U U N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 6.7% 4.8% 5.8% 25kt / 24h 14.0% 27.6% 20.8% 30kt / 24h 10.4% 18.9% 14.6% 35kt / 24h 8.3% 18.9% 13.6% 40kt / 24h 5.6% 18.3% 12.0% 45kt / 36h 12.2% 23.4% 17.8% 55kt / 36h 5.5% 9.9% 7.7% 55kt / 48h 8.8% 21.5% 15.2% 70kt / 48h 2.9% 6.1% 4.5% 65kt / 72h 12.1% 9.8% 11.0%