Rapid Intensification Guidance AL202020 200915 18UTC Storm Located at : 14.30 47.60 Guidance run with Vmax [kt]: 55. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 55.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 4.20 F CONVECTION <-50C [%] 64.00 N CONVECTION <-60C [%] 28.00 U IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 96.00 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] 20.0 22.0 21.3 22.1 24.9 19.5 22.8 19.7 N N N N N N N N Ocean Heat [kJ/cm^2] 29.0 25.0 21.0 20.0 21.0 32.0 41.0 34.0 U U U U U U N U Potential [kt] 107.0 107.0 107.0 107.0 109.3 110.0 109.3 110.0 N N N N N N N N 200mb Divg [10^6/s] 107.0 88.0 66.0 54.0 16.0 22.0 14.0 51.0 F F N N U U U N Humidity 700-500 hPa 57.0 53.0 51.0 51.0 46.0 42.0 42.0 40.0 U U U U VU VU VU VU T Advectio [10^6 K/s] 1.0 3.0 1.0 2.0 9.0 15.0 10.0 8.0 N N N N U U U U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 7.9% 7.6% 7.8% 25kt / 24h 22.2% 36.1% 29.1% 30kt / 24h 13.7% 25.2% 19.4% 35kt / 24h 7.5% 25.2% 16.3% 40kt / 24h 7.5% 25.0% 16.2% 45kt / 36h 11.1% 22.5% 16.8% 55kt / 36h 4.3% 9.0% 6.6% 55kt / 48h 6.7% 14.6% 10.7% 70kt / 48h 2.6% 5.0% 3.8% 65kt / 72h 13.4% 8.1% 10.7%