Rapid Intensification Guidance AL162021 210920 00UTC Storm Located at : 18.50 58.10 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 3.40 F CONVECTION <-50C [%] 13.00 VU CONVECTION <-60C [%] 9.00 U IR CORE SYMMETRY [K] 3.30 F TC SIZE [%] 82.00 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] 45.1 43.5 35.4 39.9 38.1 36.7 38.4 43.7 VU VU U U U U U VU Ocean Heat [kJ/cm^2] 44.0 44.0 43.0 41.0 58.0 76.0 64.0 48.0 N N N N N N N N Potential [kt] 125.0 125.0 125.0 125.0 125.0 125.0 125.0 125.0 N N N N N N N N 200mb Divg [10^6/s] -12.0 14.0 7.0 -12.0 34.0 3.0 14.0 -20.0 U U U U N U U VU Humidity 700-500 hPa 53.0 53.0 53.0 53.0 54.0 58.0 60.0 59.0 U U U U U U N U T Advectio [10^6 K/s] -11.0 -11.0 -2.0 -3.0 -4.0 -5.0 -1.0 0.0 F F N N F F N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.3% 0.2% 25kt / 24h 0.5% 2.0% 1.2% 30kt / 24h 0.3% 0.5% 0.4% 35kt / 24h 0.0% 0.4% 0.2% 40kt / 24h 0.0% 0.4% 0.2% 45kt / 36h 0.1% 1.2% 0.6% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.1% 0.6% 0.3% 70kt / 48h 0.1% 0.2% 0.1% 65kt / 72h 1.0% 0.8% 0.9%