UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 5 DEC 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1004 173 0.0 -0.4 97 0.4 -0.2 280 3 272.8 273.5 272.8 282.8 3.69 1 1000 205 -0.3 -5.3 69 5.0 -2.1 280 7 272.9 273.3 271.1 279.9 2.57 2 925 820 -5.3 -8.3 79 3.0 -6.2 200 1 273.9 274.3 271.1 280.0 2.21 3 865 1345 -8.3 -10.3 85 2.0 -8.9 287 9 276.1 276.4 272.2 281.7 2.02 4 850 1483 -3.3 -5.5 85 2.2 -4.1 310 11 282.7 283.2 277.2 291.2 2.98 5 849 1492 -3.3 -5.3 86 2.0 -4.1 310 11 282.8 283.3 277.3 291.4 3.03 6 802 1942 -4.1 -7.4 78 3.3 -5.3 319 15 286.6 287.1 278.9 294.5 2.73 7 788 2081 -3.7 -7.5 75 3.8 -5.1 322 16 288.5 288.9 279.8 296.5 2.76 8 700 3007 -8.5 -13.5 67 5.0 -10.1 340 23 293.1 293.4 280.8 298.9 1.93 9 688 3141 -9.1 -14.1 67 5.0 -10.6 293.9 294.2 281.1 299.5 1.87 10 678 3254 -7.5 -13.5 62 6.0 -9.4 296.9 297.2 282.6 303.0 1.99 11 616 3994 -12.1 -19.1 56 7.0 -14.0 299.8 300.1 283.1 304.2 1.37 TRP WND Sounding variables and indices Freezing level: 1004.00 mb = 173.08 m = 567.84 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 72.49 % Est. max temperature: 8.08 C = 46.54 F Sfc-Lift cond lev (LCL): 997.64 mb = 223.66 m = 733.77 ft T: -0.45 C ThetaE index: 2.91 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 865.94 mb = 1336.97 m = 4386.32 ft Mean mixing ratio: 2.37 g/kg Conv temperature: 3.20 C = 37.76 F Cap Strength: 18.52 C Lifted Index @700 mb: 14.10 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.80 J/kg Max Up Vert Vel: 3.10 m/s Conv Inhibition (B-): 1288.80 J/kg Cap Strength: 18.44 C Lift Cond Lev (LCL): 899.40 mb = 1039.88 m = 3411.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 9 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 1004 173 280 3 3.0 -0.5 | 194 8 2.0 8.0 1 1000 205 280 7 6.9 -1.2 | 219 9 5.9 7.3 2 925 820 200 1 0.3 0.9 | 176 10 -0.6 9.5 3 850 1483 310 11 8.4 -7.1 | 259 8 7.5 1.5 4 700 3007 340 23 7.9 -21.6 | 332 15 6.9 -13.1 Wind Parameters Mean winds (0-6000m): 323.6 at 11.5 knts Storm direction: 353.6 at 8.6 knts Shear (0-3000m) pos: 4.4 neg: 0.6 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 138.2 deg Storm rel helicity (0-3000m) pos: 79.9 neg: -17.5 tot: 62.3 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.38 Bulk Shear: 12.58 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 ------------------------------------------------------------------------------- 500 267 5 203 10| 0.0 2.9 2.9| 7.0 -15.2 -8.2 -16.4 -0.27| 9.3 -2.5 1000 266 4 198 9| 2.4 1.4 3.9| 23.5 -17.5 6.0 6.0 0.15| 8.3 1.2 1500 297 6 216 7| 4.4 1.0 5.4| 47.7 -17.5 30.2 20.1 0.46| 9.2 4.2 2000 308 8 235 6| 4.4 0.7 5.1| 57.7 -17.5 40.2 20.1 0.53| 8.1 4.3 2500 317 10 259 6| 4.4 0.6 5.0| 70.5 -17.5 52.9 21.2 0.57| 7.5 4.3 3000 NO DATA | 4.4 0.6 5.0| | 4000 NO DATA | 4.4 0.6 5.0| | 5000 NO DATA | 4.4 0.6 5.0| | 6000 NO DATA | 4.4 0.6 5.0| | Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251205.00.gif