Rapid Intensification Guidance AL072021 210818 00UTC Storm Located at : 18.30 78.60 Guidance run with Vmax [kt]: 50. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 50.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.60 F CONVECTION <-50C [%] 74.00 N CONVECTION <-60C [%] 37.00 N IR CORE SYMMETRY [K] 9.60 F TC SIZE [%] 115.00 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] 16.7 18.2 14.3 12.1 23.7 15.8 28.3 23.3 F F F F N F N N Ocean Heat [kJ/cm^2] 84.0 85.0 81.0 84.0 34.0 46.0 29.0 44.0 N N N N U N U N Potential [kt] 115.0 115.0 115.0 115.0 115.0 115.0 115.0 115.0 N N N N N N N N 200mb Divg [10^6/s] 16.0 42.0 19.0 29.0 4.0 27.0 19.0 43.0 U N U N U U U N Humidity 700-500 hPa 54.0 54.0 57.0 58.0 58.0 60.0 64.0 65.0 U U U U U N N N T Advectio [10^6 K/s] -3.0 -6.0 -6.0 -4.0 -12.0 -7.0 -6.0 -2.0 N F F F F F F N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 11.4% 18.3% 14.8% 25kt / 24h 46.8% 66.4% 56.6% 30kt / 24h 31.8% 57.0% 44.4% 35kt / 24h 25.4% 57.0% 41.2% 40kt / 24h 7.6% 54.2% 30.9% 45kt / 36h 26.9% 54.7% 40.8% 55kt / 36h 17.9% 35.9% 26.9% 55kt / 48h 26.6% 40.6% 33.6% 70kt / 48h 14.8% 26.4% 20.6% 65kt / 72h 21.0% 29.4% 25.2%