Rapid Intensification Guidance AL202021 210930 00UTC Storm Located at : 8.20 26.20 Guidance run with Vmax [kt]: 35. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 35.00 F 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 59.00 N CONVECTION <-60C [%] 46.00 N IR CORE SYMMETRY [K] 9.10 F TC SIZE [%] 93.00 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] 19.1 19.3 22.2 26.4 32.6 31.0 40.1 42.8 N N N N U U U VU Ocean Heat [kJ/cm^2] 21.0 20.0 16.0 13.0 11.0 9.0 16.0 14.0 U U U U U U U U Potential [kt] 130.0 130.0 130.0 130.0 129.3 124.6 111.5 105.5 F F F F F N N N 200mb Divg [10^6/s] 144.0 160.0 172.0 101.0 74.0 49.0 35.0 43.0 VF VF VF F N N N N Humidity 700-500 hPa 66.0 64.0 65.0 66.0 66.0 63.0 58.0 52.0 N N N N N N U U T Advectio [10^6 K/s] -10.0 -10.0 -6.0 -1.0 6.0 6.0 12.0 19.0 F F F N N N U VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 2.8% 4.9% 3.8% 25kt / 24h 25.6% 42.0% 33.8% 30kt / 24h 8.5% 22.3% 15.4% 35kt / 24h 6.2% 22.3% 14.3% 40kt / 24h 6.2% 22.2% 14.2% 45kt / 36h 11.7% 35.5% 23.6% 55kt / 36h 0.0% 14.5% 7.2% 55kt / 48h 10.2% 15.4% 12.8% 70kt / 48h 3.5% 9.1% 6.3% 65kt / 72h 6.1% 6.4% 6.3%