Rapid Intensification Guidance AL172020 200913 06UTC Storm Located at : 29.10 60.20 Guidance run with Vmax [kt]: 65. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 65.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 7.40 F CONVECTION <-50C [%] 53.00 N CONVECTION <-60C [%] 36.00 N IR CORE SYMMETRY [K] 8.70 F TC SIZE [%] 98.00 N 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] 8.6 8.5 7.9 8.4 12.6 27.9 48.0 56.8 F F VF F F N VU VU Ocean Heat [kJ/cm^2] 20.0 25.0 21.0 18.0 24.0 12.0 18.0 24.0 U U U U U U U U Potential [kt] 100.0 100.0 100.0 100.0 100.0 92.3 92.3 83.6 N N N N N N N N 200mb Divg [10^6/s] -7.0 25.0 -9.0 8.0 30.0 60.0 129.0 102.0 U U U U N N F F Humidity 700-500 hPa 37.0 36.0 36.0 37.0 40.0 43.0 39.0 34.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 5.0 1.0 1.0 -2.0 6.0 3.0 -7.0 -25.0 N N N N N N F VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 18.6% 21.8% 20.2% 25kt / 24h 34.3% 61.2% 47.7% 30kt / 24h 29.8% 61.2% 45.5% 35kt / 24h 29.6% 61.2% 45.4% 40kt / 24h 19.0% 61.2% 40.1% 45kt / 36h 31.5% 41.6% 36.6% 55kt / 36h 19.2% 25.6% 22.4% 55kt / 48h 15.4% 28.5% 22.0% 70kt / 48h 5.8% 8.7% 7.3% 65kt / 72h 6.3% 2.7% 4.5%