UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 1 DEC 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 ------------------------------------------------------------------------------- SFC 1016 76 -15.7 -19.5 73 3.8 -16.3 210 5 256.3 256.4 255.8 258.4 0.80 1 1000 196 -14.9 -18.6 73 3.7 -15.6 215 7 258.2 258.4 257.6 260.6 0.88 2 925 791 -7.3 -8.7 90 1.4 -7.7 240 15 271.8 272.2 269.8 277.7 2.14 3 922 816 -6.1 -7.4 90 1.3 -6.5 241 15 273.3 273.7 271.1 279.9 2.37 4 850 1442 -8.9 -10.8 86 1.9 -9.5 260 21 276.8 277.2 272.5 282.4 1.97 5 810 1817 -11.3 -13.5 84 2.2 -11.9 267 24 278.1 278.4 272.8 282.9 1.66 6 800 1913 -10.5 -12.7 84 2.2 -11.1 269 25 280.0 280.3 274.1 285.1 1.80 7 770 2210 -10.5 -12.7 84 2.2 -11.1 275 28 283.0 283.4 275.9 288.5 1.87 8 700 2942 -15.3 -17.6 83 2.3 -15.9 290 35 285.5 285.8 276.5 289.6 1.37 9 664 3337 -18.9 -21.4 81 2.5 -19.4 298 37 285.8 286.0 276.2 289.0 1.04 10 500 5410 -27.3 -31.1 70 3.8 -27.8 340 48 299.8 299.9 282.0 301.6 0.57 11 493 5512 -27.5 -31.3 70 3.8 -28.0 340 49 300.7 300.8 282.4 302.6 0.57 12 450 6162 -32.7 -36.8 67 4.1 -33.1 340 52 302.1 302.2 282.7 303.4 0.36 13 400 6980 -39.5 340 56 303.7 14 309 8691 -53.7 340 69 307.0 15 300 8880 -55.3 340 71 307.4 16 250 10030 -59.3 335 75 317.9 17 218 10881 -62.1 335 79 326.2 18 200 11410 -63.9 330 75 331.6 19 155 12978 -62.1 330 69 359.7 20 150 13180 -62.7 330 68 362.1 21 100 15670 -66.9 330 58 398.5 22 94 16043 -67.1 329 57 405.2 23 70 17810 -69.7 325 54 435.3 24 50 19790 -72.5 320 50 472.6 25 30 22760 -77.7 320 48 532.8 26 28 23155 -77.9 542.9 TRP 218 10881 -63.5 335 79 324.1 WND 218 10881 -62.1 335 79 326.2 Sounding variables and indices 1000-500 mb thick: 5214.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 80.28 % Est. max temperature: 4.12 C = 39.42 F Sfc-Lift cond lev (LCL): 954.90 mb = 548.21 m = 1798.58 ft T: -10.40 C 700-500 lapse rate: 4.86 C/km Conv cond level (CCL): 1000.00 mb = 196.00 m = 643.04 ft Mean mixing ratio: 1.48 g/kg Conv temperature: -11.14 C = 11.95 F Cap Strength: 16.29 C Lifted Index: 25.65 C Risk: None Lifted Index @300 mb: 27.47 C Lifted Index @700 mb: 16.29 C Showalter Index: 14.75 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 16.50 C K Index: 5.30 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 4.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.21 J/kg Max Up Vert Vel: 10.32 m/s Conv Inhibition (B-): 44649.88 J/kg Cap Strength: 25.59 C Lift Cond Lev (LCL): 941.00 mb = 660.12 m = 2165.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 25 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 1016 76 210 5 2.5 4.3 | 166 28 -6.7 27.3 1 1000 196 215 7 4.0 5.7 | 170 29 -5.2 28.7 2 925 791 240 15 13.0 7.5 | 187 31 3.8 30.4 3 850 1442 260 21 20.7 3.6 | 203 29 11.5 26.6 4 700 2942 290 35 32.9 -12.0 | 245 26 23.7 11.0 5 500 5410 340 48 16.4 -45.1 | 342 23 7.2 -22.2 6 400 6980 340 56 19.2 -52.6 | 341 31 10.0 -29.7 7 300 8880 340 71 24.3 -66.7 | 341 46 15.1 -43.8 8 250 10030 335 75 31.7 -68.0 | 333 50 22.5 -45.0 9 218 10881 335 79 33.4 -71.6 | 334 54 24.2 -48.7 10 200 11410 330 75 37.5 -65.0 | 326 51 28.3 -42.0 11 150 13180 330 68 34.0 -58.9 | 325 44 24.8 -35.9 12 100 15670 330 58 29.0 -50.2 | 324 34 19.8 -27.3 13 70 17810 325 54 31.0 -44.2 | 314 30 21.8 -21.3 14 50 19790 320 50 32.1 -38.3 | 304 28 23.0 -15.4 15 30 22760 320 48 30.9 -36.8 | 303 26 21.7 -13.8 Wind Parameters Mean winds (0-6000m): 308.2 at 32.9 knts Storm direction: 338.2 at 24.7 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 82.7 deg Storm rel helicity (0-3000m) pos: 312.7 neg: 0.0 tot: 312.7 m^2/s^2 ave: 104.2 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 7.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.36 Bulk Shear: 147.16 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 9 174 29| 7.9 0.0 7.9| 57.6 0.0 57.6 115.2 0.94| 8.1 7.6 1000 236 12 181 30| 7.2 0.0 7.2|115.6 0.0 115.6 115.6 0.96| 7.7 7.5 1500 246 15 188 29| 6.7 0.0 6.7|166.5 0.0 166.5 111.0 0.97| 7.5 7.2 2000 254 17 194 29| 6.4 0.0 6.4|213.7 0.0 213.7 106.9 0.97| 7.2 7.0 2500 262 19 201 28| 6.3 0.0 6.3|263.4 0.0 263.4 105.3 0.98| 7.2 7.0 3000 270 22 209 26| 6.1 0.0 6.1|312.7 0.0 312.7 104.2 0.98| 7.2 7.1 4000 282 26 223 24| 5.4 0.0 5.4|398.1 0.0 398.1 99.5 0.97| 7.3 7.1 5000 296 30 240 20| 5.1 0.0 5.1|488.2 0.0 488.2 97.6 0.98| 7.5 7.3 6000 308 33 261 17| 4.5 0.2 4.7|521.5 -0.6 520.9 86.8 0.94| 7.0 6.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251201.00.gif