Rapid Intensification Guidance AL172020 200921 00UTC Storm Located at : 34.20 31.40 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] 2.20 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 1.90 F TC SIZE [%] 97.00 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] 18.8 13.6 16.4 16.2 24.6 36.6 22.4 33.8 N F F F N U N 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] 89.3 91.0 87.7 84.6 73.0 63.2 55.7 50.0 N N N N U U U U 200mb Divg [10^6/s] -44.0 -33.0 -21.0 27.0 -12.0 26.0 83.0 -37.0 VU VU VU U U U N VU Humidity 700-500 hPa 32.0 33.0 36.0 39.0 42.0 47.0 60.0 63.0 VU VU VU VU VU VU N N T Advectio [10^6 K/s] -6.0 -9.0 -12.0 -16.0 -30.0 -4.0 8.0 8.0 F F F VF VF F U U Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.3% 0.1% 25kt / 24h 0.0% 0.8% 0.4% 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% 1.4% 0.8% 55kt / 36h 0.0% 0.3% 0.2% 55kt / 48h 0.0% 0.1% 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