Rapid Intensification Guidance AL172020 200914 00UTC Storm Located at : 30.90 63.60 Guidance run with Vmax [kt]: 75. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 75.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 5.00 F CONVECTION <-50C [%] 37.00 U CONVECTION <-60C [%] 4.00 U IR CORE SYMMETRY [K] 9.70 F TC SIZE [%] 93.00 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] 7.8 9.5 13.9 22.1 41.5 58.0 69.6 72.6 VF F F N VU VU VU VU Ocean Heat [kJ/cm^2] 19.0 29.0 29.0 21.0 19.0 26.0 0.0 0.0 U U U U U U U U Potential [kt] 90.0 90.0 90.0 89.3 77.9 75.7 30.4 5.8 N N N N N U VU VU 200mb Divg [10^6/s] -3.0 7.0 36.0 26.0 130.0 140.0 53.0 44.0 U U N U F VF N N Humidity 700-500 hPa 35.0 36.0 39.0 42.0 41.0 40.0 35.0 31.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] -1.0 4.0 5.0 0.0 -5.0 -30.0 -39.0 -30.0 N N N N F VF VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 29.9% 25.8% 27.8% 25kt / 24h 32.4% 54.3% 43.4% 30kt / 24h 32.4% 54.3% 43.4% 35kt / 24h 31.2% 54.3% 42.8% 40kt / 24h 24.1% 54.3% 39.2% 45kt / 36h 16.1% 10.6% 13.4% 55kt / 36h 6.5% 3.8% 5.1% 55kt / 48h 0.8% 3.3% 2.1% 70kt / 48h 0.4% 0.7% 0.6% 65kt / 72h 0.0% 0.0% 0.0%