UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 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 1009 77 -7.5 -10.1 82 2.6 -8.2 230 7 265.0 265.3 264.4 269.7 1.75 1 1000 147 -7.9 -10.3 83 2.4 -8.5 235 9 265.2 265.5 264.6 270.0 1.74 2 965 425 -9.1 -11.2 85 2.1 -9.6 242 12 266.8 267.0 265.6 271.3 1.68 3 925 758 -4.3 -5.7 90 1.4 -4.8 250 15 274.9 275.4 272.5 282.4 2.70 4 897 997 -5.3 -6.7 90 1.4 -5.8 257 16 276.3 276.7 273.2 283.5 2.58 5 850 1416 -3.9 -5.1 91 1.2 -4.4 270 17 282.1 282.6 277.0 290.8 3.07 6 821 1690 -6.3 -7.5 91 1.2 -6.7 271 19 282.3 282.8 276.6 289.9 2.65 7 790 1993 -5.3 -7.3 86 2.0 -6.0 272 22 286.5 287.0 278.9 294.6 2.79 8 729 2624 -6.7 -8.7 86 2.0 -7.4 274 26 291.7 292.1 281.2 299.7 2.71 9 700 2941 -9.3 -11.6 83 2.3 -10.1 275 29 292.2 292.6 280.8 298.9 2.25 10 564 4577 -20.9 -24.8 71 3.9 -21.7 281 35 297.1 297.3 281.3 300.0 0.91 11 509 5330 -24.7 -32.7 47 8.0 -25.8 284 38 301.4 301.5 282.6 303.0 0.48 12 500 5460 -25.5 -33.5 47 8.0 -26.6 285 38 301.9 302.0 282.8 303.5 0.45 13 426 6602 -33.3 -41.3 45 8.0 -34.0 289 48 306.1 306.2 284.2 307.0 0.24 14 400 7040 -37.7 290 52 306.0 15 331 8310 -47.9 290 57 309.0 16 300 8950 -52.1 290 60 311.9 17 250 10110 -60.9 290 75 315.5 18 240 10362 -62.1 291 76 317.4 19 207 11270 -63.9 295 79 328.3 20 200 11480 -64.3 295 77 330.9 21 150 13240 -63.3 300 71 361.0 22 136 13843 -61.7 301 68 374.1 23 100 15730 -64.9 305 58 402.3 24 95 16044 -64.9 306 57 408.3 25 70 17890 -70.1 310 54 434.4 26 50 19880 -72.7 310 52 472.2 27 38 21484 -74.5 506.1 TRP 207 11270 -64.5 295 79 327.4 WND 207 11270 -63.9 295 79 328.3 Sounding variables and indices 1000-500 mb thick: 5313.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 79.06 % Est. max temperature: 8.50 C = 47.29 F Sfc-Lift cond lev (LCL): 967.98 mb = 401.13 m = 1316.04 ft T: -9.00 C 700-500 lapse rate: 6.43 C/km ThetaE index: 0.88 C Layer 821.0- 790.0 mb Conv cond level (CCL): 988.24 mb = 239.37 m = 785.32 ft Mean mixing ratio: 2.07 g/kg Conv temperature: -6.72 C = 19.91 F Cap Strength: 21.98 C Lifted Index: 22.29 C Risk: None Lifted Index @300 mb: 26.10 C Lifted Index @700 mb: 17.11 C Showalter Index: 10.16 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 20.40 C K Index: 14.20 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.44 J/kg Max Up Vert Vel: 9.64 m/s Conv Inhibition (B-): 37081.21 J/kg Cap Strength: 22.21 C Lift Cond Lev (LCL): 932.40 mb = 695.38 m = 2281.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 20 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 1009 77 230 7 5.4 4.5 | 147 20 -11.0 16.8 1 1000 147 235 9 7.4 5.2 | 153 20 -9.0 17.5 2 925 758 250 15 14.1 5.1 | 173 18 -2.3 17.5 3 850 1416 270 17 17.0 -0.0 | 183 12 0.6 12.3 4 700 2941 275 29 28.9 -2.5 | 232 16 12.5 9.8 5 500 5460 285 38 36.7 -9.8 | 263 20 20.3 2.5 6 400 7040 290 52 48.9 -17.8 | 279 33 32.5 -5.4 7 300 8950 290 60 56.4 -20.5 | 282 41 40.0 -8.2 8 250 10110 290 75 70.5 -25.7 | 284 56 54.1 -13.3 9 207 11270 295 79 71.6 -33.4 | 291 59 55.2 -21.0 10 200 11480 295 77 69.8 -32.5 | 291 57 53.4 -20.2 11 150 13240 300 71 61.5 -35.5 | 297 51 45.1 -23.2 12 100 15730 305 58 47.5 -33.3 | 304 38 31.2 -20.9 13 70 17890 310 54 41.4 -34.7 | 312 34 25.0 -22.4 14 50 19880 310 52 39.8 -33.4 | 312 32 23.5 -21.1 Wind Parameters Mean winds (0-6000m): 277.0 at 27.3 knts Storm direction: 307.0 at 20.5 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 87.0 deg Storm rel helicity (0-3000m) pos: 96.5 neg: 0.0 tot: 96.5 m^2/s^2 ave: 32.2 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.89 Bulk Shear: 51.97 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 ------------------------------------------------------------------------------- 500 240 11 158 19| 6.9 0.0 6.9| 33.5 0.0 33.5 67.1 0.96| 7.0 6.8 1000 248 13 165 18| 5.4 0.0 5.4| 49.0 0.0 49.0 49.0 0.85| 6.0 5.1 1500 255 14 170 16| 4.7 0.0 4.7| 58.0 0.0 58.0 38.7 0.79| 5.5 4.3 2000 261 16 176 15| 4.5 0.0 4.5| 71.0 0.0 71.0 35.5 0.83| 5.1 4.2 2500 264 17 184 14| 4.5 0.0 4.5| 84.3 0.0 84.3 33.7 0.84| 4.9 4.1 3000 267 19 191 14| 4.3 0.0 4.3| 96.5 0.0 96.5 32.2 0.85| 4.7 4.0 4000 271 22 205 13| 3.7 0.0 3.7|113.7 0.0 113.7 28.4 0.86| 4.1 3.5 5000 274 25 218 13| 3.4 0.0 3.4|132.5 0.0 132.5 26.5 0.86| 3.7 3.2 6000 277 27 230 14| 3.4 0.0 3.4|158.9 0.0 158.9 26.5 0.82| 3.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251201.12.gif