UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1011 53 -12.7 -15.3 81 2.6 -13.2 45 5 259.6 259.8 259.2 262.7 1.15 1 1000 136 -13.9 -17.8 72 3.9 -14.6 45 7 259.2 259.4 258.5 261.8 0.94 2 966 397 -16.1 -19.9 72 3.8 -16.7 49 7 259.6 259.7 258.6 261.8 0.81 3 925 723 -15.1 -18.5 75 3.4 -15.7 55 7 263.9 264.0 262.1 266.5 0.96 4 850 1362 -15.1 -18.4 76 3.3 -15.7 65 11 270.3 270.5 266.9 273.3 1.05 5 806 1764 -14.5 -17.7 77 3.2 -15.2 32 10 275.1 275.3 270.2 278.5 1.18 6 700 2825 -17.7 -21.0 75 3.3 -18.4 305 9 282.9 283.1 274.5 285.9 1.02 7 654 3329 -19.9 -23.7 72 3.8 -20.6 299 13 286.0 286.1 275.9 288.6 0.86 8 526 4911 -28.9 -32.9 68 4.0 -29.4 280 26 293.5 293.6 279.1 295.0 0.46 9 500 5270 -31.9 -35.6 70 3.7 -32.3 275 29 294.1 294.2 279.3 295.4 0.37 10 400 6810 -44.3 -48.4 64 4.1 -44.5 270 42 297.4 297.4 280.4 297.8 0.12 11 326 8152 -54.2 -57.9 63 3.8 -54.2 275 62 301.7 301.8 282.1 301.9 0.05 12 308 8514 -56.9 -60.6 63 3.7 -56.9 272 59 302.9 302.9 282.6 303.0 0.04 13 300 8680 -57.7 -61.5 62 3.8 -57.8 270 58 304.0 304.0 283.1 304.1 0.03 14 252 9780 -61.7 -65.3 62 3.6 -61.7 275 56 313.6 313.6 286.6 313.7 0.02 15 250 9830 -61.1 -64.7 62 3.6 -61.2 275 56 315.2 315.2 287.2 315.3 0.03 16 200 11220 -58.3 -62.4 59 4.1 -58.4 290 40 340.4 340.4 294.5 340.6 0.04 17 185 11713 -57.5 -61.9 57 4.4 -57.6 294 39 349.4 349.4 296.5 349.6 0.05 18 150 13040 -58.3 -63.3 53 5.0 -58.4 305 36 369.6 369.6 300.5 369.9 0.05 19 100 15580 -60.3 -67.3 39 7.0 -60.4 305 33 411.2 411.2 306.7 411.4 0.04 20 87 16450 -60.9 -68.9 34 8.0 -61.1 297 34 426.7 426.7 308.5 426.9 0.04 21 70 17800 -62.3 -70.3 33 8.0 -62.5 285 35 451.1 451.1 311.0 451.3 0.04 22 63 18448 -62.7 -71.7 29 9.0 -62.9 282 37 464.0 464.0 312.1 464.2 0.04 23 54 19386 -66.3 -75.3 27 9.0 -66.5 277 40 476.6 476.6 313.2 476.8 0.03 24 50 19850 -67.3 -76.3 27 9.0 -67.5 275 42 484.9 484.9 313.8 485.0 0.02 25 31 22715 -70.5 -79.5 25 9.0 -70.7 247 48 547.3 547.3 317.9 547.4 0.02 26 30 22910 -69.3 -79.3 22 10.0 -69.5 245 48 555.7 555.7 318.4 555.9 0.02 27 28 23322 -68.3 -78.3 22 10.0 -68.6 243 53 569.6 569.6 319.2 569.8 0.03 28 22 24754 -71.9 -81.9 21 10.0 -72.1 237 69 599.5 599.5 320.6 599.7 0.02 29 20 25320 -68.1 -78.1 23 10.0 -68.5 235 75 627.7 627.7 321.8 628.1 0.05 30 17 26302 -64.3 -75.3 21 11.0 -65.0 233 90 669.8 669.8 323.4 670.4 0.08 31 10 29600 -56.5 -68.5 21 12.0 -59.0 225 138 808.6 808.8 327.5 812.5 0.38 32 9.9 29664 -56.5 -68.5 21 12.0 -59.0 811.0 811.2 327.6 814.8 0.38 TRP 252 9780 -61.7 -65.3 62 3.6 -61.7 275 56 313.6 313.6 286.6 313.7 0.02 WND 326 8152 -54.2 -57.9 63 3.8 -54.2 275 62 301.7 301.8 282.1 301.9 0.05 Sounding variables and indices 1000-500 mb thick: 5134.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 73.06 % Est. max temperature: -2.97 C = 26.65 F Sfc-Lift cond lev (LCL): 969.38 mb = 370.45 m = 1215.36 ft T: -15.88 C 700-500 lapse rate: 5.81 C/km ThetaE index: 0.92 C Layer 1000.0- 966.0 mb Conv cond level (CCL): 588.50 mb = 4095.56 m = 13436.70 ft Mean mixing ratio: 0.91 g/kg Conv temperature: 17.40 C = 63.33 F Cap Strength: 24.99 C Lifted Index: 25.12 C Risk: None Lifted Index @300 mb: 28.65 C Lifted Index @700 mb: 18.08 C Showalter Index: 17.30 C Risk: None Total Totals Index: 30.30 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 13.50 C K Index: -4.90 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 4.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.03 J/kg Max Up Vert Vel: 6.64 m/s Conv Inhibition (B-): 63789.03 J/kg Cap Strength: 25.12 C Lift Cond Lev (LCL): 905.22 mb = 886.36 m = 2907.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 12 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 1011 53 45 5 -3.5 -3.5 | 118 13 -11.1 6.0 1 1000 136 45 7 -4.9 -4.9 | 110 13 -12.5 4.6 2 925 723 55 7 -5.7 -4.0 | 113 14 -13.3 5.5 3 850 1362 65 11 -10.0 -4.6 | 106 18 -17.5 4.9 4 700 2825 305 9 7.4 -5.2 | 177 4 -0.2 4.4 5 500 5270 275 29 28.9 -2.5 | 252 22 21.3 7.0 6 400 6810 270 42 42.0 -0.0 | 255 36 34.4 9.5 7 326 8152 275 62 61.8 -5.4 | 266 54 54.2 4.1 8 300 8680 270 58 58.0 -0.0 | 259 51 50.4 9.5 9 252 9780 275 56 55.8 -4.9 | 264 48 48.2 4.7 10 250 9830 275 56 55.8 -4.9 | 264 48 48.2 4.7 11 200 11220 290 40 37.6 -13.7 | 278 30 30.0 -4.1 12 150 13040 305 36 29.5 -20.6 | 297 25 21.9 -11.1 13 100 15580 305 33 27.0 -18.9 | 296 22 19.5 -9.4 14 70 17800 285 35 33.8 -9.1 | 269 26 26.2 0.5 15 50 19850 275 42 41.8 -3.7 | 260 35 34.3 5.9 16 30 22910 245 48 43.5 20.3 | 230 47 35.9 29.8 17 20 25320 235 75 61.4 43.0 | 226 75 53.9 52.6 18 10 29600 225 138 97.6 97.6 | 220 140 90.0 107.1 Wind Parameters Mean winds (0-6000m): 291.5 at 16.2 knts Storm direction: 321.5 at 12.2 knts Shear (0-3000m) pos: 0.8 neg: 2.9 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 85.0 deg Storm rel helicity (0-3000m) pos: 9.3 neg: -32.4 tot: -23.1 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 54.14 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 48 7 111 14| 2.2 0.0 2.2| 1.4 -6.4 -5.0 -9.9 -0.52| 2.9 -1.5 1000 53 7 111 14| 2.3 0.0 2.3| 1.8 -10.9 -9.1 -9.1 -0.47| 2.7 -1.3 1500 56 8 109 15| 1.5 0.9 2.4| 1.8 -22.8 -21.0 -14.0 -0.50| 3.5 -1.8 2000 49 9 105 15| 1.1 2.2 3.3| 1.8 -32.3 -30.5 -15.2 -0.44| 4.6 -2.0 2500 41 9 102 14| 0.9 2.7 3.7| 4.6 -32.4 -27.7 -11.1 -0.21| 5.1 -1.1 3000 32 9 98 12| 0.8 2.9 3.7| 9.3 -32.4 -23.1 -7.7 -0.01| 5.2 -0.1 4000 348 10 82 5| 0.6 3.3 3.9| 16.9 -32.4 -15.5 -3.9 0.12| 5.0 0.6 5000 309 13 243 3| 0.5 3.6 4.0| 17.8 -35.3 -17.5 -3.5 0.09| 5.0 0.4 6000 292 16 245 8| 0.4 3.7 4.1| 24.1 -37.7 -13.6 -2.3 0.08| 4.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251219.12.gif