UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 26 NOV 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 3 340 5 SFC 991 75 0.4 -3.2 77 3.6 -1.0 340 5 274.3 274.8 272.6 282.6 3.04 2 925 617 -2.7 -6.5 75 3.8 -4.0 345 15 276.5 277.0 273.2 283.6 2.54 3 850 1268 -6.7 -10.9 72 4.2 -8.0 350 23 279.1 279.5 273.9 284.7 1.95 4 825 1495 -4.7 -9.2 71 4.5 -6.2 353 24 283.6 284.0 276.8 290.3 2.31 5 772 2002 -4.7 -9.6 69 4.9 -6.4 360 27 289.1 289.5 279.6 296.1 2.39 6 700 2743 -10.1 -15.1 67 5.0 -11.5 10 31 291.3 291.6 279.7 296.4 1.69 7 643 3392 -14.7 -20.7 60 6.0 -16.1 293.2 293.4 279.9 296.8 1.14 TRP WND Sounding variables and indices Freezing level: 982.48 mb = 144.53 m = 474.17 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 69.85 % Est. max temperature: 6.85 C = 44.33 F Sfc-Lift cond lev (LCL): 936.84 mb = 516.88 m = 1695.77 ft T: -2.13 C ThetaE index: 0.00 C Layer 991.0- -0.0 mb Conv cond level (CCL): 709.42 mb = 2641.75 m = 8667.05 ft Mean mixing ratio: 2.65 g/kg Conv temperature: 17.10 C = 62.78 F Cap Strength: 10.71 C Lifted Index @700 mb: 10.10 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.90 J/kg Max Up Vert Vel: 4.88 m/s Conv Inhibition (B-): 719.95 J/kg Cap Strength: 10.69 C Lift Cond Lev (LCL): 886.25 mb = 946.50 m = 3105.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 27 at 16 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 ---------------------------------------------------------- 0 991 75 340 5 1.7 -4.7 | 223 13 9.1 9.8 1 925 617 345 15 3.9 -14.5 | 270 11 11.3 0.0 2 850 1268 350 23 4.0 -22.7 | 306 14 11.4 -8.2 3 700 2743 10 31 -5.4 -30.5 | 353 16 2.0 -16.0 Wind Parameters Mean winds (0-6000m): 357.0 at 21.7 knts Storm direction: 27.0 at 16.3 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 130.1 deg Storm rel helicity (0-3000m) pos: 99.4 neg: 0.0 tot: 99.4 m^2/s^2 ave: 38.2 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.57 Bulk Shear: 20.83 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 ------------------------------------------------------------------------------- 500 344 10 242 11| 9.5 0.0 9.5| 27.6 0.0 27.6 55.2 0.96| 9.5 9.1 1000 346 14 263 11| 8.1 0.0 8.1| 47.1 0.0 47.1 47.1 0.96| 8.1 7.8 1500 348 17 280 11| 6.8 0.0 6.8| 63.6 0.0 63.6 42.4 0.95| 7.1 6.7 2000 352 19 293 11| 5.9 0.0 5.9| 79.0 0.0 79.0 39.5 0.96| 6.4 6.1 2500 356 21 306 11| 5.3 0.0 5.3| 95.9 0.0 95.9 38.3 0.96| 6.0 5.8 3000 NO DATA | 5.3 0.0 5.3| | 4000 NO DATA | 5.3 0.0 5.3| | 5000 NO DATA | 5.3 0.0 5.3| | 6000 NO DATA | 5.3 0.0 5.3| | Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251126.12.gif