Rapid Intensification Guidance AL172020 200911 18UTC Storm Located at : 24.20 53.20 Guidance run with Vmax [kt]: 55. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 55.00 N 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 54.00 N CONVECTION <-60C [%] 50.00 N IR CORE SYMMETRY [K] 7.30 F TC SIZE [%] 90.00 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] 43.4 41.1 30.0 24.4 15.7 8.7 10.5 6.4 VU VU N N F F F VF Ocean Heat [kJ/cm^2] 32.0 32.0 23.0 25.0 27.0 21.0 18.0 27.0 U U U U U U U U Potential [kt] 110.0 110.0 110.0 110.0 110.0 110.0 110.0 110.0 N N N N N N N N 200mb Divg [10^6/s] -11.0 -7.0 27.0 19.0 -9.0 -10.0 27.0 -2.0 U U U U U U U U Humidity 700-500 hPa 47.0 47.0 46.0 45.0 42.0 40.0 37.0 38.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 18.0 14.0 11.0 12.0 6.0 2.0 0.0 0.0 VU U U U N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.8% 0.6% 0.7% 25kt / 24h 1.0% 4.9% 3.0% 30kt / 24h 0.5% 1.8% 1.2% 35kt / 24h 0.4% 1.8% 1.1% 40kt / 24h 0.4% 1.5% 0.9% 45kt / 36h 0.7% 3.7% 2.2% 55kt / 36h 0.1% 0.8% 0.5% 55kt / 48h 0.7% 4.4% 2.5% 70kt / 48h 0.1% 0.8% 0.5% 65kt / 72h 5.3% 3.9% 4.6%