Rapid Intensification Guidance AL122021 210901 12UTC Storm Located at : 12.30 26.70 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] 9.40 F CONVECTION <-50C [%] 79.00 N CONVECTION <-60C [%] 36.00 N IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 103.00 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] 15.8 19.6 18.9 18.1 16.1 18.3 22.4 22.0 F N N F F F N N Ocean Heat [kJ/cm^2] 9.0 7.0 6.0 5.0 17.0 12.0 10.0 16.0 U U U U U U U U Potential [kt] 108.6 110.7 108.6 104.4 98.5 96.6 93.0 93.0 N N N N N N N N 200mb Divg [10^6/s] 16.0 58.0 71.0 82.0 106.0 76.0 39.0 0.0 U N N N F N N U Humidity 700-500 hPa 76.0 75.0 73.0 69.0 66.0 63.0 52.0 49.0 F F N N N N U U T Advectio [10^6 K/s] -11.0 -15.0 -17.0 -21.0 -15.0 -16.0 -4.0 -4.0 F VF VF VF VF VF F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.7% 4.3% 3.0% 25kt / 24h 7.7% 22.9% 15.3% 30kt / 24h 3.3% 12.8% 8.0% 35kt / 24h 2.0% 12.8% 7.4% 40kt / 24h 0.8% 11.9% 6.3% 45kt / 36h 4.1% 31.8% 17.9% 55kt / 36h 0.0% 16.6% 8.3% 55kt / 48h 7.1% 5.0% 6.0% 70kt / 48h 5.0% 13.8% 9.4% 65kt / 72h 5.0% 14.3% 9.6%