Rapid Intensification Guidance AL072021 210818 18UTC Storm Located at : 19.60 83.00 Guidance run with Vmax [kt]: 70. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 70.00 N 12-H DELTA VMAX [kt] 20.00 F CORE SIZE [km] 6.20 F CONVECTION <-50C [%] 78.00 N CONVECTION <-60C [%] 41.00 N IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 97.00 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] 20.2 22.8 29.7 22.0 19.5 20.7 26.8 21.6 N N N N N N N N Ocean Heat [kJ/cm^2] 87.0 49.0 26.0 20.0 30.0 43.0 38.0 5.0 N N U U U N U U Potential [kt] 95.0 95.0 95.0 95.0 95.0 95.0 95.0 95.0 N N N N N N N N 200mb Divg [10^6/s] 55.0 18.0 11.0 19.0 34.0 41.0 12.0 56.0 N U U U N N U N Humidity 700-500 hPa 59.0 56.0 56.0 59.0 58.0 63.0 66.0 73.0 U U U U U N N N T Advectio [10^6 K/s] -5.0 -13.0 -8.0 -7.0 -19.0 -2.0 -5.0 -11.0 F VF F F VF N F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 71.9% 49.9% 60.9% 25kt / 24h 65.9% 71.0% 68.5% 30kt / 24h 65.9% 70.7% 68.3% 35kt / 24h 65.9% 70.7% 68.3% 40kt / 24h 46.9% 70.7% 58.8% 45kt / 36h 39.0% 53.9% 46.4% 55kt / 36h 25.3% 37.3% 31.3% 55kt / 48h 15.8% 32.4% 24.1% 70kt / 48h 5.5% 18.3% 11.9% 65kt / 72h 3.3% 13.9% 8.6%