Rapid Intensification Guidance AL072021 210820 00UTC Storm Located at : 20.80 91.00 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 U CORE SIZE [km] 9.00 F CONVECTION <-50C [%] 12.00 VU CONVECTION <-60C [%] 3.00 U IR CORE SYMMETRY [K] 7.20 F TC SIZE [%] 83.00 F 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] 18.8 25.0 20.9 22.5 25.0 16.6 16.6 16.6 N N N N N F F F Ocean Heat [kJ/cm^2] 29.0 33.0 42.0 43.0 10.0 10.0 10.0 10.0 U U N N U U U U Potential [kt] 110.0 110.0 110.0 110.0 110.0 110.0 110.0 110.0 N N N N N N N N 200mb Divg [10^6/s] 2.0 -18.0 -5.0 -4.0 7.0 33.0 33.0 33.0 U U U U U N N N Humidity 700-500 hPa 56.0 56.0 60.0 60.0 65.0 74.0 74.0 74.0 U U N N N N N N T Advectio [10^6 K/s] -11.0 -6.0 0.0 -4.0 -11.0 -5.0 -5.0 -5.0 F F N F F F F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.3% 1.6% 1.5% 25kt / 24h 1.6% 7.7% 4.7% 30kt / 24h 1.5% 3.8% 2.6% 35kt / 24h 0.9% 3.8% 2.3% 40kt / 24h 0.9% 3.8% 2.3% 45kt / 36h 1.7% 3.2% 2.4% 55kt / 36h 0.5% 0.7% 0.6% 55kt / 48h 1.3% 4.0% 2.6% 70kt / 48h 0.1% 0.8% 0.5% 65kt / 72h 1.4% 3.1% 2.3%