UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for USTAC... Searching the city database file for: USTAC ... Date:1200Z 9 DEC 25 Station: USTAC WMO ident: 99999 Latitude: 47.10 Longitude: -122.30 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 151 185 3 SFC 996 184 8.8 6.7 87 2.1 7.7 185 3 282.3 283.3 281.0 299.3 6.18 2 925 793 5.0 3.5 90 1.5 4.2 230 19 284.4 285.3 281.0 299.3 5.32 3 850 1476 0.0 -2.1 86 2.1 -0.9 270 15 286.1 286.8 280.1 297.1 3.85 TRP WND Sounding variables and indices Wetbulb zero: 863.35 mb = 1350.13 m = 4429.52 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 88.08 % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 964.64 mb = 447.54 m = 1468.30 ft T: 7.16 C ThetaE index: 2.18 C Layer 925.0--518969491456.0 mb Conv cond level (CCL): 905.37 mb = 966.25 m = 3170.08 ft Mean mixing ratio: 5.53 g/kg Conv temperature: 11.39 C = 52.51 F Cap Strength: 0.74 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.32 J/kg Max Up Vert Vel: 4.32 m/s Conv Inhibition (B-): 7.91 J/kg Cap Strength: 0.74 C Lift Cond Lev (LCL): 920.40 mb = 833.27 m = 2733.80 ft Lev Free Conv (LFC): 855.40 mb = 1424.85 m = 4674.64 ft Wind level data Storm motion: 269 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 996 184 185 3 0.3 3.0 | 105 11 -10.4 2.8 1 925 793 230 19 14.6 12.2 | 198 13 3.9 12.0 2 850 1476 270 15 15.0 -0.0 | 272 4 4.4 -0.2 Wind Parameters Mean winds (0-6000m): 239.0 at 14.2 knts Storm direction: 269.0 at 10.7 knts Shear (0-3000m) pos: 8.1 neg: 0.0 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 167.2 deg Storm rel helicity (0-3000m) pos: 71.6 neg: 0.0 tot: 71.6 m^2/s^2 ave: 59.7 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 10.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.20 Bulk Shear: 4.23 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 223 10 149 8| 14.3 0.0 14.3| 42.5 0.0 42.5 85.1 1.00| 15.1 15.1 1000 233 14 182 8| 8.1 0.0 8.1| 67.3 0.0 67.3 67.3 0.91| 13.3 12.0 1500 NO DATA | 8.1 0.0 8.1| | 2000 NO DATA | 8.1 0.0 8.1| | 2500 NO DATA | 8.1 0.0 8.1| | 3000 NO DATA | 8.1 0.0 8.1| | 4000 NO DATA | 8.1 0.0 8.1| | 5000 NO DATA | 8.1 0.0 8.1| | 6000 NO DATA | 8.1 0.0 8.1| | Wrote GIF file: /home/apache/climate/data/raob//USTAC/skewt/USTAC.skewt.20251209.12.gif