Rapid Intensification Guidance AL122021 210901 00UTC Storm Located at : 11.90 22.30 Guidance run with Vmax [kt]: 30. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 30.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 64.00 N CONVECTION <-60C [%] 44.00 N IR CORE SYMMETRY [K] 9.70 F TC SIZE [%] 97.00 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] 19.6 16.5 15.8 16.6 16.4 14.8 20.8 27.0 N F F F F F N N Ocean Heat [kJ/cm^2] 13.0 11.0 10.0 10.0 7.0 17.0 19.0 7.0 U U U U U U U U Potential [kt] 112.4 114.4 118.6 120.7 116.5 106.6 101.2 96.0 N N N N N N N N 200mb Divg [10^6/s] 65.0 64.0 43.0 78.0 99.0 120.0 123.0 106.0 N N N N F F F F Humidity 700-500 hPa 77.0 76.0 75.0 72.0 68.0 64.0 60.0 51.0 F F F N N N N U T Advectio [10^6 K/s] -12.0 -9.0 -6.0 -9.0 -13.0 -12.0 -10.0 0.0 F F F F VF F F N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 1.0% 0.6% 25kt / 24h 2.2% 11.3% 6.8% 30kt / 24h 0.4% 4.9% 2.7% 35kt / 24h 0.2% 4.1% 2.2% 40kt / 24h 0.1% 4.0% 2.0% 45kt / 36h 2.0% 23.0% 12.5% 55kt / 36h 0.0% 9.8% 4.9% 55kt / 48h 9.7% 6.4% 8.1% 70kt / 48h 6.4% 11.4% 8.9% 65kt / 72h 13.9% 16.7% 15.3%