Rapid Intensification Guidance AL172020 200916 12UTC Storm Located at : 42.60 46.90 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] -10.00 U CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 3.40 F TC SIZE [%] 134.00 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] 76.3 71.3 67.5 48.7 27.3 31.7 35.1 32.9 VU VU VU VU N U U U Ocean Heat [kJ/cm^2] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 4.2 -6.0 -8.8 -14.5 -11.8 2.6 15.7 31.7 VU VU VU VU VU VU VU VU 200mb Divg [10^6/s] 16.0 11.0 19.0 7.0 -18.0 -43.0 -90.0 -68.0 U U U U U VU VU VU Humidity 700-500 hPa 26.0 26.0 28.0 33.0 33.0 30.0 26.0 25.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] -49.0 -55.0 -36.0 -19.0 -15.0 -16.0 -18.0 -10.0 VF VF VF VF VF VF VF F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 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