UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 8 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 1002 165 -3.1 -4.8 88 1.7 -3.7 120 1 269.9 270.3 269.4 277.1 2.67 1 1000 181 -3.1 90 1 270.0 2 925 793 -7.5 -7.5 100 0.0 -7.5 85 5 271.6 272.0 269.9 278.1 2.35 3 851 1438 -11.1 105 11 274.4 4 850 1447 -11.3 105 11 274.3 5 773 2173 -13.7 29 7 279.3 6 751 2393 -12.9 6 6 282.5 7 729 2620 -12.9 -13.2 98 0.3 -13.0 342 5 284.9 285.2 276.9 290.4 1.89 8 700 2928 -15.1 -15.7 95 0.6 -15.3 310 3 285.8 286.0 276.9 290.5 1.61 9 603 4036 -23.9 -23.9 100 0.0 -23.9 292 15 288.0 288.2 277.1 290.9 0.92 10 590 4195 -23.1 -24.9 85 1.8 -23.4 290 17 290.8 290.9 278.4 293.5 0.86 11 566 4498 -25.1 -26.6 87 1.5 -25.4 285 21 291.9 292.0 278.8 294.3 0.77 12 549 4719 -26.1 -36.1 39 10.0 -27.2 281 23 293.3 293.3 278.8 294.3 0.32 13 531 4959 -27.1 -36.1 42 9.0 -28.1 277 26 294.9 294.9 279.6 296.0 0.33 14 500 5390 -30.1 -32.5 80 2.4 -30.4 270 31 296.3 296.4 280.4 298.0 0.50 15 488 5562 -31.3 -32.3 91 1.0 -31.4 270 32 296.9 297.0 280.7 298.6 0.52 16 455 6054 -35.3 -35.7 96 0.4 -35.3 270 35 297.9 298.0 281.0 299.3 0.40 17 400 6940 -41.3 -42.9 84 1.6 -41.4 270 40 301.3 301.4 282.2 302.1 0.22 18 307 8683 -55.9 -59.8 62 3.9 -55.9 279 42 304.5 304.5 283.2 304.7 0.04 19 300 8830 -56.9 -61.1 59 4.2 -57.0 280 42 305.1 305.1 283.5 305.3 0.03 20 257 9791 -62.7 -68.7 44 6.0 -62.7 285 38 310.4 310.4 285.5 310.4 0.01 21 250 9960 -62.7 -68.7 44 6.0 -62.7 285 40 312.9 312.9 286.4 312.9 0.01 22 200 11350 -60.5 -67.5 39 7.0 -60.6 285 44 337.0 337.0 293.6 337.0 0.02 23 173 12251 -59.5 -67.5 35 8.0 -59.6 288 41 352.9 352.9 297.3 353.0 0.03 24 150 13140 -59.9 -68.9 30 9.0 -60.0 290 38 366.9 366.9 300.0 367.0 0.02 25 100 15650 -62.9 -75.9 16 13.0 -63.1 275 48 406.2 406.2 306.0 406.3 0.01 26 70 17820 -67.1 -93.1 1 26.0 -67.2 270 64 440.8 440.8 310.0 440.8 0.00 27 55 19264 -69.9 -96.9 1 27.0 -70.1 266 61 465.9 465.9 312.3 465.9 0.00 28 50 19830 -70.1 -97.1 1 27.0 -70.2 265 60 478.3 478.3 313.3 478.3 0.00 29 44 20590 -70.2 -97.2 1 27.0 -70.4 265 68 495.9 495.9 314.7 495.9 0.00 30 37 21620 -70.3 -97.3 1 27.0 -70.5 520.8 520.8 316.4 520.8 0.00 TRP 257 9791 -62.7 -68.7 44 6.0 -62.7 285 38 310.4 310.4 285.5 310.4 0.01 WND 44 20590 -70.2 -97.2 1 27.0 -70.4 265 68 495.9 495.9 314.7 495.9 0.00 Sounding variables and indices 1000-500 mb thick: 5209.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 82.18 % Est. max temperature: 1.39 C = 34.51 F Sfc-Lift cond lev (LCL): 975.41 mb = 376.41 m = 1234.94 ft T: -4.50 C 700-500 lapse rate: 6.09 C/km ThetaE index: 0.00 C Layer 1002.0- -0.0 mb Conv cond level (CCL): 937.89 mb = 684.36 m = 2245.25 ft Mean mixing ratio: 2.46 g/kg Conv temperature: -1.63 C = 29.06 F Cap Strength: 14.72 C Lifted Index: 15.52 C Risk: None Lifted Index @300 mb: 19.37 C Lifted Index @700 mb: 9.20 C Showalter Index: 13.53 C Risk: None Total Totals Index: 39.38 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 20.58 C K Index: 8.68 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.48 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 35650.62 J/kg Cap Strength: 15.48 C Lift Cond Lev (LCL): 941.27 mb = 656.11 m = 2152.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 11 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 1002 165 120 1 -0.9 0.5 | 121 12 -10.1 6.1 1 1000 181 90 1 -1.0 0.0 | 119 12 -10.2 5.6 2 925 793 85 5 -5.0 -0.4 | 110 15 -14.2 5.1 3 850 1447 105 11 -10.6 2.8 | 113 22 -19.8 8.4 4 700 2928 310 3 2.3 -1.9 | 118 8 -6.9 3.6 5 500 5390 270 31 31.0 -0.0 | 256 22 21.8 5.6 6 400 6940 270 40 40.0 -0.0 | 260 31 30.8 5.6 7 300 8830 280 42 41.4 -7.3 | 273 32 32.1 -1.7 8 257 9791 285 38 36.7 -9.8 | 279 28 27.5 -4.3 9 250 9960 285 40 38.6 -10.4 | 279 30 29.4 -4.8 10 200 11350 285 44 42.5 -11.4 | 280 34 33.3 -5.8 11 150 13140 290 38 35.7 -13.0 | 286 28 26.5 -7.4 12 100 15650 275 48 47.8 -4.2 | 268 39 38.6 1.4 13 70 17820 270 64 64.0 -0.0 | 264 55 54.8 5.6 14 50 19830 265 60 59.8 5.2 | 258 52 50.6 10.8 Wind Parameters Mean winds (0-6000m): 271.2 at 14.4 knts Storm direction: 301.2 at 10.8 knts Shear (0-3000m) pos: 0.8 neg: 1.9 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -5.5 deg Storm rel helicity (0-3000m) pos: 13.6 neg: -48.2 tot: -34.6 m^2/s^2 ave: -11.5 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 37.73 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 87 3 115 13| 0.0 3.5 3.5| 0.0 -7.1 -7.1 -14.2 -0.61| 3.6 -2.2 1000 90 4 112 15| 2.3 1.7 4.0| 1.2 -9.2 -8.0 -8.0 -0.30| 4.1 -1.2 1500 95 6 112 17| 1.5 1.9 3.4| 4.3 -27.5 -23.2 -15.4 -0.35| 5.0 -1.8 2000 88 7 108 17| 1.1 2.1 3.2| 4.3 -47.6 -43.2 -21.6 -0.42| 5.9 -2.5 2500 90 7 109 17| 0.9 1.8 2.7| 9.4 -47.9 -38.5 -15.4 -0.26| 5.9 -1.6 3000 94 6 111 17| 0.8 1.9 2.6| 13.6 -48.2 -34.6 -11.5 -0.17| 5.7 -1.0 4000 33 7 87 13| 0.6 2.9 3.4| 14.2 -48.4 -34.2 -8.5 -0.07| 5.8 -0.4 5000 278 11 197 4| 0.5 3.5 3.9| 14.2 -60.1 -45.9 -9.2 -0.11| 6.0 -0.6 6000 271 14 224 7| 0.4 3.5 3.9| 20.2 -66.1 -45.9 -7.6 -0.10| 5.7 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251208.00.gif