Rapid Intensification Guidance AL182021 210927 18UTC Storm Located at : 16.00 52.40 Guidance run with Vmax [kt]: 105. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 105.00 U 12-H DELTA VMAX [kt] -15.00 U CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 78.00 N CONVECTION <-60C [%] 29.00 U IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 65.00 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] 13.6 19.4 19.8 18.4 18.7 14.4 19.0 17.7 F N N F N F N F Ocean Heat [kJ/cm^2] 43.0 35.0 31.0 33.0 52.0 65.0 63.0 54.0 N U U U N N N N Potential [kt] 57.0 57.0 57.0 57.0 57.0 54.6 54.6 59.3 U U U U U U U U 200mb Divg [10^6/s] 14.0 6.0 -5.0 15.0 0.0 49.0 18.0 81.0 U U U U U N U N Humidity 700-500 hPa 46.0 47.0 46.0 46.0 48.0 50.0 53.0 56.0 VU VU VU VU U U U U T Advectio [10^6 K/s] 1.0 1.0 1.0 0.0 0.0 0.0 3.0 5.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.9% 1.7% 1.3% 25kt / 24h 0.8% 3.9% 2.3% 30kt / 24h 0.6% 2.7% 1.6% 35kt / 24h 0.4% 2.3% 1.3% 40kt / 24h 0.4% 2.1% 1.2% 45kt / 36h 14.3% 1.5% 7.9% 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%