Rapid Intensification Guidance AL182021 210926 00UTC Storm Located at : 13.40 48.70 Guidance run with Vmax [kt]: 125. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 125.00 U 12-H DELTA VMAX [kt] 20.00 F CORE SIZE [km] 3.00 F CONVECTION <-50C [%] 47.00 N CONVECTION <-60C [%] 24.00 U IR CORE SYMMETRY [K] 9.50 F TC SIZE [%] 54.00 F 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] 12.1 14.7 14.7 16.7 14.1 12.0 13.7 14.8 F F F F F F F F Ocean Heat [kJ/cm^2] 36.0 39.0 38.0 38.0 45.0 42.0 34.0 38.0 U U U U N N U U Potential [kt] 27.9 25.7 23.6 23.6 21.5 23.6 25.7 30.1 VU VU VU VU VU VU VU VU 200mb Divg [10^6/s] 32.0 8.0 -2.0 15.0 17.0 34.0 38.0 46.0 N U U U U N N N Humidity 700-500 hPa 57.0 55.0 53.0 53.0 53.0 53.0 52.0 52.0 U U U U U U U U T Advectio [10^6 K/s] -2.0 -3.0 -1.0 -3.0 -1.0 0.0 1.0 0.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 34.0% 0.0% 17.0% 25kt / 24h 0.0% 0.0% 0.0% 30kt / 24h 0.0% 0.0% 0.0% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0%