Rapid Intensification Guidance AL082021 210818 18UTC Storm Located at : 29.90 67.10 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] 2.20 F CONVECTION <-50C [%] 64.00 N CONVECTION <-60C [%] 36.00 N IR CORE SYMMETRY [K] 9.60 F TC SIZE [%] 92.00 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] 30.3 31.9 33.3 31.1 30.5 27.0 20.1 18.5 N U U U N N N N Ocean Heat [kJ/cm^2] 33.0 33.0 31.0 29.0 26.0 26.0 29.0 28.0 U U U U U U U U Potential [kt] 105.0 105.0 105.0 105.0 105.0 104.3 97.3 97.3 N N N N N N N N 200mb Divg [10^6/s] -55.0 -39.0 -14.0 46.0 -2.0 -5.0 42.0 88.0 VU VU U N U U N F Humidity 700-500 hPa 49.0 51.0 52.0 53.0 56.0 61.0 65.0 67.0 U U U U U N N N T Advectio [10^6 K/s] -3.0 -3.0 -5.0 -8.0 -4.0 -4.0 11.0 4.0 N N F F F F U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 5.8% 4.7% 5.2% 25kt / 24h 6.6% 14.6% 10.6% 30kt / 24h 4.7% 8.5% 6.6% 35kt / 24h 4.6% 8.5% 6.6% 40kt / 24h 1.7% 7.2% 4.4% 45kt / 36h 1.8% 6.2% 4.0% 55kt / 36h 0.5% 1.8% 1.1% 55kt / 48h 0.1% 3.4% 1.8% 70kt / 48h 0.1% 0.9% 0.5% 65kt / 72h 0.3% 2.4% 1.4%