Rapid Intensification Guidance AL122021 210906 06UTC Storm Located at : 21.30 52.00 Guidance run with Vmax [kt]: 105. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 105.00 U 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 95.00 F CONVECTION <-60C [%] 78.00 F IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 119.00 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] 20.5 17.5 19.1 21.8 14.8 10.4 12.8 12.9 N F N N F F F F Ocean Heat [kJ/cm^2] 46.0 40.0 34.0 43.0 45.0 43.0 42.0 29.0 N N U N N N N U Potential [kt] 52.3 57.0 60.0 60.0 60.0 60.0 60.0 60.0 U U U U U U U U 200mb Divg [10^6/s] -12.0 -5.0 -2.0 -26.0 35.0 50.0 47.0 54.0 U U U VU N N N N Humidity 700-500 hPa 45.0 43.0 45.0 47.0 52.0 54.0 58.0 60.0 VU VU VU VU U U U N T Advectio [10^6 K/s] 3.0 2.0 7.0 2.0 1.0 4.0 -8.0 5.0 N N N N N N F N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 4.5% 3.5% 4.0% 25kt / 24h 3.5% 7.3% 5.4% 30kt / 24h 3.5% 5.4% 4.4% 35kt / 24h 3.5% 5.2% 4.4% 40kt / 24h 0.4% 4.6% 2.5% 45kt / 36h 27.9% 4.3% 16.1% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0%