Rapid Intensification Guidance AL202021 210930 06UTC Storm Located at : 8.50 26.80 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 70.00 N CONVECTION <-60C [%] 44.00 N IR CORE SYMMETRY [K] 9.60 F TC SIZE [%] 100.00 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] 19.4 23.3 27.4 29.9 34.0 32.8 39.0 36.5 N N N N U U U U Ocean Heat [kJ/cm^2] 20.0 18.0 14.0 11.0 10.0 10.0 14.0 8.0 U U U U U U U U Potential [kt] 125.0 125.0 125.0 125.0 122.0 112.9 104.4 98.5 N N N N N N N N 200mb Divg [10^6/s] 139.0 146.0 130.0 62.0 34.0 17.0 27.0 33.0 VF VF F N N U U N Humidity 700-500 hPa 64.0 64.0 65.0 67.0 65.0 61.0 57.0 53.0 N N N N N N U U T Advectio [10^6 K/s] -10.0 -6.0 -1.0 4.0 9.0 5.0 12.0 18.0 F F N N U N U VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 3.5% 5.9% 4.7% 25kt / 24h 21.8% 37.9% 29.9% 30kt / 24h 7.9% 21.5% 14.7% 35kt / 24h 4.0% 21.5% 12.7% 40kt / 24h 4.0% 20.8% 12.4% 45kt / 36h 6.7% 26.1% 16.4% 55kt / 36h 0.0% 9.8% 4.9% 55kt / 48h 3.4% 8.7% 6.0% 70kt / 48h 0.5% 4.2% 2.3% 65kt / 72h 1.1% 3.2% 2.2%