Rapid Intensification Guidance AL162021 210921 18UTC Storm Located at : 20.30 64.80 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] -10.00 U CORE SIZE [km] 4.60 F CONVECTION <-50C [%] 15.00 U CONVECTION <-60C [%] 13.00 U IR CORE SYMMETRY [K] 2.00 F TC SIZE [%] 68.00 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] 38.1 40.5 39.2 39.7 41.7 28.8 24.2 16.3 U U U U VU N N F Ocean Heat [kJ/cm^2] 68.0 89.0 92.0 89.0 66.0 53.0 51.0 45.0 N F F F N N N N Potential [kt] 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 F F F F F F F F 200mb Divg [10^6/s] 13.0 -8.0 32.0 39.0 -6.0 2.0 -30.0 20.0 U U N N U U VU U Humidity 700-500 hPa 50.0 51.0 54.0 56.0 58.0 57.0 56.0 55.0 U U U U U U U U T Advectio [10^6 K/s] -3.0 -4.0 -1.0 3.0 2.0 4.0 2.0 3.0 N F N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.2% 1.4% 0.8% 30kt / 24h 0.2% 0.3% 0.3% 35kt / 24h 0.0% 0.2% 0.1% 40kt / 24h 0.0% 0.2% 0.1% 45kt / 36h 0.2% 0.9% 0.5% 55kt / 36h 0.0% 0.1% 0.0% 55kt / 48h 0.1% 0.5% 0.3% 70kt / 48h 0.1% 0.1% 0.1% 65kt / 72h 10.2% 2.0% 6.1%