Rapid Intensification Guidance AL172020 200914 12UTC Storm Located at : 32.90 64.90 Guidance run with Vmax [kt]: 85. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 85.00 N 12-H DELTA VMAX [kt] 10.00 F CORE SIZE [km] 10.60 F CONVECTION <-50C [%] 53.00 N CONVECTION <-60C [%] 31.00 N IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 107.00 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] 14.9 23.1 33.0 43.7 61.8 72.5 71.9 40.5 F N U VU VU VU VU U Ocean Heat [kJ/cm^2] 22.0 15.0 13.0 21.0 25.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 80.0 77.0 67.9 65.7 65.7 -2.6 -12.9 -21.8 N U U U U VU VU VU 200mb Divg [10^6/s] 46.0 44.0 80.0 139.0 120.0 43.0 40.0 0.0 N N N VF F N N U Humidity 700-500 hPa 37.0 40.0 40.0 38.0 38.0 32.0 27.0 30.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 3.0 -1.0 3.0 -1.0 -18.0 -67.0 -39.0 -17.0 N N N N VF VF VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 37.1% 18.8% 28.0% 25kt / 24h 18.1% 18.3% 18.2% 30kt / 24h 15.6% 13.3% 14.5% 35kt / 24h 15.2% 13.3% 14.2% 40kt / 24h 11.1% 13.3% 12.2% 45kt / 36h 7.8% 2.4% 5.1% 55kt / 36h 0.5% 0.6% 0.6% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0%