Rapid Intensification Guidance AL172020 200915 12UTC Storm Located at : 37.70 59.30 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] 0.00 N CORE SIZE [km] 3.80 F CONVECTION <-50C [%] 75.00 N CONVECTION <-60C [%] 25.00 U IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 141.00 U 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] 57.5 61.5 64.5 73.7 72.7 43.6 23.1 26.5 VU VU VU VU VU VU N N Ocean Heat [kJ/cm^2] 15.0 20.0 21.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 60.7 62.9 22.2 -16.6 -19.2 -27.3 -31.9 -21.6 U U VU VU VU VU VU VU 200mb Divg [10^6/s] 139.0 123.0 38.0 13.0 26.0 -2.0 -10.0 -19.0 VF F N U U U U U Humidity 700-500 hPa 39.0 37.0 35.0 32.0 26.0 29.0 31.0 32.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] -21.0 -37.0 -37.0 -65.0 -42.0 -21.0 -8.0 -5.0 VF VF VF VF VF VF F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.7% 0.2% 0.5% 25kt / 24h 0.0% 0.0% 0.0% 30kt / 24h 0.0% 0.0% 0.0% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 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% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons