Rapid Intensification Guidance AL172020 200912 12UTC Storm Located at : 27.10 56.60 Guidance run with Vmax [kt]: 60. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 60.00 N 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 3.80 F CONVECTION <-50C [%] 2.00 VU CONVECTION <-60C [%] 1.00 U IR CORE SYMMETRY [K] 6.30 F TC SIZE [%] 84.00 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] 24.8 23.7 15.6 7.7 6.8 7.5 18.6 31.7 N N F VF VF VF N U Ocean Heat [kJ/cm^2] 28.0 28.0 25.0 21.0 19.0 27.0 22.0 15.0 U U U U U U U U Potential [kt] 105.0 105.0 105.0 105.0 105.0 105.0 105.0 95.1 N N N N N N N N 200mb Divg [10^6/s] 19.0 42.0 -7.0 -22.0 3.0 21.0 25.0 53.0 U N U VU U U U N Humidity 700-500 hPa 40.0 39.0 39.0 39.0 37.0 39.0 45.0 45.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 14.0 13.0 9.0 6.0 -1.0 4.0 2.0 -8.0 U U U N N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 2.7% 1.4% 2.1% 25kt / 24h 3.8% 10.2% 7.0% 30kt / 24h 3.8% 6.4% 5.1% 35kt / 24h 2.8% 6.4% 4.6% 40kt / 24h 2.8% 6.4% 4.6% 45kt / 36h 9.2% 7.3% 8.3% 55kt / 36h 4.1% 2.1% 3.1% 55kt / 48h 7.3% 10.0% 8.7% 70kt / 48h 3.4% 1.8% 2.6% 65kt / 72h 11.4% 3.2% 7.3%