Rapid Intensification Guidance AL172020 200914 18UTC Storm Located at : 33.90 64.40 Guidance run with Vmax [kt]: 90. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 90.00 U 12-H DELTA VMAX [kt] 10.00 F CORE SIZE [km] 5.00 F CONVECTION <-50C [%] 60.00 N CONVECTION <-60C [%] 22.00 U IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 121.00 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] 22.1 32.2 43.6 54.9 59.6 76.9 60.7 28.6 N U VU VU VU VU VU N Ocean Heat [kJ/cm^2] 18.0 13.0 22.0 15.0 13.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 69.6 62.9 65.1 62.9 19.4 -18.6 -29.1 -37.1 U U U U VU VU VU VU 200mb Divg [10^6/s] 24.0 76.0 146.0 147.0 44.0 43.0 32.0 -15.0 U N VF VF N N N U Humidity 700-500 hPa 39.0 40.0 40.0 39.0 34.0 27.0 28.0 31.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 2.0 5.0 -4.0 -22.0 -41.0 -56.0 -29.0 -10.0 N N F VF VF VF VF F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 19.0% 8.2% 13.6% 25kt / 24h 8.2% 7.0% 7.6% 30kt / 24h 6.5% 3.7% 5.1% 35kt / 24h 6.2% 3.7% 5.0% 40kt / 24h 2.4% 3.2% 2.8% 45kt / 36h 1.9% 0.7% 1.3% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0%