Rapid Intensification Guidance AL162021 210920 06UTC Storm Located at : 18.90 58.90 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 7.80 F CONVECTION <-50C [%] 21.00 U CONVECTION <-60C [%] 11.00 U IR CORE SYMMETRY [K] 3.50 F TC SIZE [%] 81.00 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] 42.5 36.4 40.2 43.5 36.0 39.8 40.2 31.4 VU U U VU U U U U Ocean Heat [kJ/cm^2] 44.0 44.0 41.0 43.0 70.0 78.0 60.0 49.0 N N N N N N N N Potential [kt] 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] -7.0 -16.0 -19.0 -6.0 69.0 -11.0 -11.0 -22.0 U U U U N U U VU Humidity 700-500 hPa 52.0 53.0 53.0 52.0 55.0 57.0 60.0 65.0 U U U U U U N N T Advectio [10^6 K/s] -10.0 -3.0 -3.0 -5.0 1.0 -4.0 3.0 4.0 F N N F N F N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.0% 0.6% 0.8% 25kt / 24h 0.6% 2.8% 1.7% 30kt / 24h 0.2% 0.8% 0.5% 35kt / 24h 0.2% 0.7% 0.5% 40kt / 24h 0.1% 0.7% 0.4% 45kt / 36h 0.3% 1.9% 1.1% 55kt / 36h 0.0% 0.3% 0.1% 55kt / 48h 0.1% 0.7% 0.4% 70kt / 48h 0.1% 0.2% 0.1% 65kt / 72h 0.2% 0.9% 0.5%