Rapid Intensification Guidance AL182020 200913 18UTC Storm Located at : 27.20 47.50 Guidance run with Vmax [kt]: 25. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 25.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 11.00 F CONVECTION <-50C [%] 5.00 VU CONVECTION <-60C [%] 2.00 U IR CORE SYMMETRY [K] 1.80 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] 37.2 40.6 42.8 38.9 28.1 17.4 14.4 14.4 U U VU U N F F F Ocean Heat [kJ/cm^2] 16.0 16.0 17.0 18.0 29.0 35.0 20.0 20.0 U U U U U U U U Potential [kt] 140.0 140.0 140.0 140.0 140.0 140.0 140.0 140.0 F F F F F F F F 200mb Divg [10^6/s] -4.0 -15.0 -3.0 -47.0 -39.0 -77.0 -44.0 -44.0 U U U VU VU VU VU VU Humidity 700-500 hPa 48.0 47.0 48.0 45.0 40.0 36.0 35.0 35.0 U VU U VU VU VU VU VU T Advectio [10^6 K/s] 4.0 1.0 0.0 0.0 -5.0 -1.0 -10.0 -10.0 N N N N F N F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.2% 0.1% 25kt / 24h 0.0% 1.1% 0.5% 30kt / 24h 0.0% 0.3% 0.1% 35kt / 24h 0.0% 0.1% 0.1% 40kt / 24h 0.0% 0.1% 0.1% 45kt / 36h 0.2% 1.5% 0.8% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.0% 0.8% 0.4% 70kt / 48h 0.0% 0.4% 0.2% 65kt / 72h 1.3% 3.2% 2.3%