UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 30 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 12 315 1 SFC 995 50 -15.5 -17.7 83 2.2 -15.9 315 1 258.0 258.2 257.6 260.6 0.95 2 951 393 -13.9 -16.7 79 2.8 -14.5 23 8 263.0 263.2 261.7 266.0 1.09 3 925 606 -10.5 -13.1 81 2.6 -11.2 65 13 268.6 268.8 266.5 272.7 1.50 4 922 631 -10.3 -12.9 81 2.6 -10.9 65 13 269.0 269.3 266.9 273.3 1.53 5 866 1116 -10.5 -13.5 79 3.0 -11.3 73 13 273.7 273.9 269.9 278.1 1.56 6 850 1260 -11.1 -14.1 78 3.0 -11.9 75 13 274.5 274.8 270.4 278.8 1.51 7 738 2337 -15.7 -19.1 75 3.4 -16.4 108 20 280.8 281.0 273.6 284.2 1.14 8 700 2737 -15.1 -18.0 78 2.9 -15.8 120 23 285.8 286.0 276.5 289.7 1.32 9 646 3343 -14.3 -17.4 77 3.1 -15.1 134 27 293.3 293.6 280.4 297.9 1.51 10 500 5220 -30.1 -37.1 50 7.0 -30.8 180 38 296.3 296.4 280.2 297.4 0.32 11 487 5406 -31.5 -39.5 45 8.0 -32.2 180 40 296.9 296.9 280.3 297.7 0.25 12 400 6760 -43.7 -49.7 51 6.0 -43.9 180 52 298.2 298.2 280.7 298.6 0.10 13 373 7225 -49.1 -55.1 50 6.0 -49.3 180 56 297.1 297.1 280.1 297.3 0.06 14 346 7715 -52.1 -58.1 48 6.0 -52.2 180 60 299.4 299.4 281.1 299.6 0.04 15 323 8159 -54.9 -60.9 47 6.0 -55.0 185 58 301.5 301.5 282.0 301.6 0.03 16 300 8630 -56.3 -62.3 47 6.0 -56.4 190 56 306.0 306.0 283.8 306.1 0.03 17 272 9249 -58.3 -64.3 46 6.0 -58.4 190 56 311.8 311.8 286.0 311.9 0.02 18 250 9780 -58.1 -64.1 46 6.0 -58.2 205 58 319.7 319.7 288.7 319.8 0.03 19 222 10534 -54.3 -61.3 42 7.0 -54.5 205 56 336.6 336.6 293.5 336.8 0.04 20 200 11200 -55.9 -62.9 41 7.0 -56.1 205 54 344.2 344.3 295.4 344.4 0.04 21 183 11764 -59.1 -67.1 35 8.0 -59.2 214 54 347.9 347.9 296.2 348.0 0.03 22 150 13020 -57.5 -65.5 35 8.0 -57.7 235 54 371.0 371.0 300.8 371.2 0.04 23 100 15580 -57.1 -67.1 27 10.0 -57.4 240 54 417.4 417.4 307.4 417.6 0.05 24 93 16037 -57.9 -67.9 27 10.0 -58.2 241 55 424.6 424.6 308.3 424.8 0.04 25 74 17465 -60.7 -71.7 22 11.0 -61.0 244 57 447.4 447.4 310.6 447.5 0.03 26 70 17810 -60.1 -71.1 22 11.0 -60.4 245 58 455.8 455.8 311.4 456.0 0.04 27 52 19673 -58.3 -70.3 20 12.0 -58.9 254 77 500.4 500.5 315.0 500.8 0.06 28 50 19920 -58.9 -70.9 20 12.0 -59.5 255 79 504.7 504.7 315.3 505.0 0.05 29 40 21310 -62.3 -74.3 19 12.0 -62.7 253 82 529.4 529.4 316.9 529.7 0.04 30 30 23090 -61.7 -74.7 16 13.0 -62.3 250 85 576.4 576.5 319.5 576.8 0.05 31 25 24216 -61.5 -74.5 16 13.0 -62.3 250 95 607.9 607.9 321.0 608.3 0.06 32 23 24727 -64.9 -77.9 15 13.0 -65.5 250 100 612.5 612.6 321.2 612.8 0.04 33 20 25580 -63.3 -77.3 13 14.0 -64.1 250 108 642.4 642.4 322.4 642.8 0.05 34 15 27351 -62.7 -76.7 14 14.0 -63.8 699.5 699.5 324.4 700.1 0.07 TRP 272 9249 -58.3 -64.3 46 6.0 -58.4 190 56 311.8 311.8 286.0 311.9 0.02 WND 346 7715 -52.1 -58.1 48 6.0 -52.2 180 60 299.4 299.4 281.1 299.6 0.04 Sounding variables and indices 1000-500 mb thick: 5208.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 72.89 % Est. max temperature: 1.24 C = 34.22 F Sfc-Lift cond lev (LCL): 959.98 mb = 322.09 m = 1056.71 ft T: -14.23 C 700-500 lapse rate: 6.04 C/km Conv cond level (CCL): 995.00 mb = 49.96 m = 163.89 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -14.45 C = 5.99 F Cap Strength: 22.74 C Lifted Index: 23.14 C Risk: None Lifted Index @300 mb: 26.71 C Lifted Index @700 mb: 16.81 C Showalter Index: 14.76 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 16.00 C K Index: 2.00 Risk: None Sweat Index: 64.00 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.20 J/kg Max Up Vert Vel: 10.60 m/s Conv Inhibition (B-): 62870.41 J/kg Cap Strength: 23.14 C Lift Cond Lev (LCL): 907.19 mb = 756.47 m = 2481.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 179 at 19 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 ---------------------------------------------------------- 0 995 50 315 1 0.7 -0.7 | 357 20 1.0 -19.5 1 925 606 65 13 -11.8 -5.5 | 25 27 -11.5 -24.3 2 850 1260 75 13 -12.6 -3.4 | 29 25 -12.3 -22.2 3 700 2737 120 23 -19.9 11.5 | 70 21 -19.6 -7.3 4 500 5220 180 38 0.0 38.0 | 181 19 0.3 19.2 5 400 6760 180 52 0.0 52.0 | 180 33 0.3 33.2 6 346 7715 180 60 0.0 60.0 | 180 41 0.3 41.2 7 300 8630 190 56 9.7 55.1 | 195 38 10.0 36.3 8 272 9249 190 56 9.7 55.1 | 195 38 10.0 36.3 9 250 9780 205 58 24.5 52.6 | 216 42 24.8 33.7 10 200 11200 205 54 22.8 48.9 | 217 38 23.1 30.1 11 150 13020 235 54 44.2 31.0 | 255 46 44.5 12.2 12 100 15580 240 54 46.8 27.0 | 260 48 47.0 8.2 13 70 17810 245 58 52.6 24.5 | 264 53 52.8 5.7 14 50 19920 255 79 76.3 20.4 | 269 77 76.6 1.6 15 30 23090 250 85 79.9 29.1 | 263 81 80.2 10.3 16 20 25580 250 108 101.5 36.9 | 260 103 101.8 18.1 Wind Parameters Mean winds (0-6000m): 149.1 at 25.1 knts Storm direction: 179.1 at 18.8 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 229.9 neg: -2.7 tot: 227.1 m^2/s^2 ave: 75.7 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 6.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.64 Bulk Shear: 87.31 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 61 6 14 23| 12.3 0.0 12.3| 76.1 -2.7 73.4 146.8 0.67| 16.2 10.8 1000 65 10 20 24| 6.9 0.0 6.9|103.0 -2.7 100.3 100.3 0.71| 10.3 7.3 1500 70 11 24 25| 5.4 0.0 5.4|125.9 -2.7 123.2 82.1 0.75| 8.1 6.1 2000 78 12 29 24| 4.9 0.0 4.9|161.3 -2.7 158.5 79.3 0.79| 7.5 5.9 2500 88 14 35 24| 4.7 0.0 4.7|197.5 -2.7 194.8 77.9 0.82| 7.3 6.0 3000 97 15 42 23| 4.4 0.0 4.4|229.9 -2.7 227.1 75.7 0.84| 7.2 6.0 4000 114 18 56 20| 4.1 0.0 4.1|290.9 -2.7 288.2 72.0 0.87| 7.1 6.2 5000 134 22 76 16| 3.9 0.0 3.9|359.3 -2.7 356.6 71.3 0.90| 7.3 6.5 6000 149 25 102 13| 3.6 0.4 4.0|372.8 -3.3 369.5 61.6 0.81| 6.9 5.6 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251230.12.gif