Rapid Intensification Guidance AL202021 210929 18UTC Storm Located at : 8.10 25.10 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] 11.80 F CONVECTION <-50C [%] 37.00 U CONVECTION <-60C [%] 10.00 U IR CORE SYMMETRY [K] 9.80 F TC SIZE [%] 115.00 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] 19.9 20.5 19.7 21.9 27.1 34.2 38.2 44.9 N N N N N U U VU Ocean Heat [kJ/cm^2] 19.0 19.0 20.0 17.0 11.0 10.0 13.0 16.0 U U U U U U U U Potential [kt] 130.0 130.0 130.0 130.0 129.3 127.0 115.7 107.4 F F F F F N N N 200mb Divg [10^6/s] 179.0 141.0 135.0 146.0 89.0 69.0 17.0 47.0 VF VF VF VF F N U N Humidity 700-500 hPa 66.0 66.0 65.0 64.0 62.0 62.0 59.0 54.0 N N N N N N U U T Advectio [10^6 K/s] -11.0 -13.0 -11.0 -6.0 0.0 8.0 8.0 16.0 F VF F F N U U U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 2.0% 3.1% 2.6% 25kt / 24h 23.2% 35.4% 29.3% 30kt / 24h 8.2% 17.3% 12.7% 35kt / 24h 2.9% 17.3% 10.1% 40kt / 24h 2.9% 17.3% 10.1% 45kt / 36h 12.0% 30.6% 21.3% 55kt / 36h 0.0% 11.6% 5.8% 55kt / 48h 9.3% 14.1% 11.7% 70kt / 48h 5.4% 8.4% 6.9% 65kt / 72h 10.7% 7.0% 8.9%