Rapid Intensification Guidance AL172020 200921 18UTC Storm Located at : 33.30 27.80 Guidance run with Vmax [kt]: 35. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 35.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 11.40 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 3.90 F TC SIZE [%] 113.00 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] 26.5 27.7 33.5 33.2 22.5 46.3 73.6 80.9 N N U U N VU VU VU Ocean Heat [kJ/cm^2] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 U U U U U U U U Potential [kt] 78.6 74.4 70.4 65.5 53.7 38.4 44.2 78.6 N U U U U U U N 200mb Divg [10^6/s] 26.0 14.0 -24.0 33.0 56.0 13.0 54.0 -41.0 U U VU N N U N VU Humidity 700-500 hPa 44.0 49.0 51.0 52.0 61.0 58.0 57.0 68.0 VU U U U N U U N T Advectio [10^6 K/s] -13.0 -39.0 -20.0 13.0 -58.0 -29.0 0.0 -56.0 VF VF VF U VF VF N VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.0% 25kt / 24h 0.0% 0.1% 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% 0.2% 0.1% 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