Rapid Intensification Guidance AL202020 200916 18UTC Storm Located at : 17.10 50.40 Guidance run with Vmax [kt]: 85. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 85.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 3.80 F CONVECTION <-50C [%] 78.00 N CONVECTION <-60C [%] 51.00 N IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 95.00 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] 19.6 26.7 27.7 20.6 24.2 24.0 20.5 13.8 N N N N N N N F Ocean Heat [kJ/cm^2] 9.0 14.0 26.0 39.0 39.0 32.0 27.0 37.0 U U U U U U U U Potential [kt] 77.0 79.3 80.0 80.0 79.3 80.0 80.0 80.0 U N N N N N N N 200mb Divg [10^6/s] 73.0 77.0 76.0 30.0 35.0 55.0 -19.0 8.0 N N N N N N U U Humidity 700-500 hPa 49.0 47.0 44.0 43.0 42.0 41.0 42.0 44.0 U VU VU VU VU VU VU VU T Advectio [10^6 K/s] 4.0 12.0 16.0 12.0 13.0 13.0 14.0 2.0 N U U U U U U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 16.0% 9.9% 13.0% 25kt / 24h 23.6% 28.9% 26.2% 30kt / 24h 17.3% 25.2% 21.3% 35kt / 24h 14.5% 25.2% 19.8% 40kt / 24h 13.8% 22.9% 18.4% 45kt / 36h 25.9% 12.7% 19.3% 55kt / 36h 5.0% 4.8% 4.9% 55kt / 48h 4.8% 7.1% 5.9% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 5.1% 2.1% 3.6%