UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011300.upa.cvt Date: 0000Z 13 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 13 JAN 26 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1010 112 -7.9 -10.1 84 2.2 -8.5 90 9 264.5 264.8 264.1 269.2 1.75 1 1000 189 -9.3 -11.9 81 2.6 -9.9 90 11 263.9 264.1 263.2 268.0 1.53 2 955 543 -12.1 -13.9 86 1.8 -12.5 99 17 264.5 264.7 263.4 268.2 1.36 3 925 786 -13.1 -14.6 88 1.5 -13.5 105 21 265.9 266.1 264.3 269.6 1.33 4 923 803 -12.5 -14.1 88 1.6 -12.9 105 21 266.7 266.9 265.0 270.5 1.39 5 906 944 -14.3 -15.9 88 1.6 -14.6 107 21 266.3 266.5 264.4 269.6 1.22 6 902 978 -12.1 -13.8 87 1.7 -12.5 108 22 268.9 269.1 266.6 272.9 1.46 7 872 1237 -11.9 -13.4 89 1.5 -12.3 112 22 271.7 271.9 268.7 276.0 1.56 8 850 1433 -12.1 -15.9 73 3.8 -13.0 115 23 273.5 273.7 269.4 277.2 1.30 9 818 1727 -11.3 -21.3 43 10.0 -13.4 113 21 277.3 277.5 271.1 279.9 0.85 10 806 1840 -11.5 -19.5 52 8.0 -13.3 112 20 278.3 278.5 271.9 281.3 1.01 11 716 2741 -15.3 -18.3 78 3.0 -16.0 106 14 283.7 283.9 275.3 287.5 1.26 12 700 2912 -15.3 -18.5 76 3.2 -16.0 105 13 285.5 285.8 276.3 289.3 1.27 13 686 3065 -15.3 -18.3 78 3.0 -16.0 105 13 287.2 287.4 277.2 291.2 1.32 14 678 3153 -15.7 -18.6 78 2.9 -16.4 105 13 287.7 287.9 277.4 291.6 1.30 15 643 3551 -18.3 -22.1 72 3.8 -19.1 106 12 289.2 289.3 277.8 292.3 1.01 16 606 3993 -19.9 -31.9 34 12.0 -21.7 107 12 292.3 292.3 278.4 293.7 0.44 17 602 4042 -20.5 -33.5 30 13.0 -22.3 107 12 292.1 292.2 278.3 293.3 0.38 18 500 5390 -30.3 -44.3 24 14.0 -31.4 110 11 296.1 296.1 279.8 296.6 0.15 19 469 5840 -33.5 -50.5 16 17.0 -34.4 107 12 297.6 297.6 280.4 297.9 0.08 20 411 6747 -41.3 -61.3 10 20.0 -41.9 101 13 299.0 299.0 280.9 299.1 0.02 21 400 6930 -42.7 -62.7 9 20.0 -43.2 100 13 299.5 299.5 281.1 299.6 0.02 22 347 7873 -51.1 -64.1 20 13.0 -51.3 105 19 300.5 300.6 281.6 300.6 0.02 23 300 8810 -56.1 -67.1 24 11.0 -56.2 110 25 306.3 306.3 283.9 306.3 0.02 24 269 9496 -60.9 -71.9 22 11.0 -61.0 107 25 309.0 309.0 284.9 309.0 0.01 25 250 9950 -62.7 -73.7 21 11.0 -62.8 105 25 312.9 312.9 286.4 312.9 0.01 26 242 10149 -63.5 -74.5 21 11.0 -63.6 100 25 314.6 314.6 286.9 314.6 0.01 27 200 11310 -64.1 -75.1 21 11.0 -64.2 100 13 331.2 331.3 292.0 331.3 0.01 28 197 11402 -64.3 -75.3 21 11.0 -64.4 98 13 332.4 332.4 292.4 332.4 0.01 29 180 11958 -61.7 -72.7 22 11.0 -61.8 84 10 345.3 345.3 295.6 345.4 0.01 30 150 13080 -64.3 -75.3 21 11.0 -64.4 55 5 359.3 359.3 298.6 359.4 0.01 31 125 14188 -67.7 -78.7 19 11.0 -67.8 15 9 372.4 372.4 301.0 372.4 0.01 32 100 15530 -68.3 -80.3 16 12.0 -68.4 325 15 395.8 395.8 304.6 395.8 0.01 33 70 17660 -70.7 -82.7 15 12.0 -70.8 330 25 433.1 433.1 309.1 433.2 0.01 34 50 19620 -75.5 -87.5 14 12.0 -75.6 320 25 465.6 465.6 312.3 465.6 0.00 35 42 20626 -76.9 -88.9 13 12.0 -77.0 485.9 485.9 313.9 485.9 0.00 TRP 242 10149 -63.5 -74.5 21 11.0 -63.6 100 25 314.6 314.6 286.9 314.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 59.62 % Est. max temperature: 0.28 C = 32.50 F Sfc-Lift cond lev (LCL): 975.08 mb = 382.81 m = 1255.91 ft T: -10.83 C 700-500 lapse rate: 6.05 C/km ThetaE index: 1.22 C Layer 1000.0- 955.0 mb Conv cond level (CCL): 908.19 mb = 925.82 m = 3037.44 ft Mean mixing ratio: 1.42 g/kg Conv temperature: -6.07 C = 21.07 F Cap Strength: 20.86 C Lifted Index: 22.59 C Risk: None Lifted Index @300 mb: 26.61 C Lifted Index @700 mb: 16.23 C Showalter Index: 15.85 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 14.40 C K Index: -0.90 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 4.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.89 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 34456.80 J/kg Cap Strength: 22.43 C Lift Cond Lev (LCL): 929.12 mb = 752.15 m = 2467.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 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 1010 112 90 9 -9.0 0.0 | 11 8 -1.6 -8.3 1 1000 189 90 11 -11.0 0.0 | 23 9 -3.6 -8.3 2 925 786 105 21 -20.3 5.4 | 78 13 -12.9 -2.8 3 850 1433 115 23 -20.8 9.7 | 96 14 -13.4 1.5 4 700 2912 105 13 -12.6 3.4 | 46 7 -5.1 -4.9 5 500 5390 110 11 -10.3 3.8 | 33 5 -2.9 -4.5 6 400 6930 100 13 -12.8 2.3 | 42 8 -5.4 -6.0 7 300 8810 110 25 -23.5 8.6 | 91 16 -16.1 0.3 8 250 9950 105 25 -24.1 6.5 | 84 17 -16.7 -1.8 9 242 10149 100 25 -24.6 4.3 | 77 18 -17.2 -3.9 10 200 11310 100 13 -12.8 2.3 | 42 8 -5.4 -6.0 11 150 13080 55 5 -4.1 -2.9 | 343 12 3.3 -11.1 12 100 15530 325 15 8.6 -12.3 | 322 26 16.0 -20.5 13 70 17660 330 25 12.5 -21.7 | 326 36 19.9 -29.9 14 50 19620 320 25 16.1 -19.2 | 319 36 23.5 -27.4 Wind Parameters Mean winds (0-6000m): 108.1 at 14.8 knts Storm direction: 138.1 at 11.1 knts Shear (0-3000m) pos: 2.4 neg: 1.6 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 34.8 deg Storm rel helicity (0-3000m) pos: 46.8 neg: -20.6 tot: 26.2 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.09 Bulk Shear: 1.35 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 96 14 43 9| 9.7 0.0 9.7| 23.1 0.0 23.1 46.2 0.94| 9.9 9.3 1000 103 17 65 10| 7.1 0.0 7.1| 39.6 0.0 39.6 39.6 0.93| 7.7 7.2 1500 107 19 76 11| 4.8 0.0 4.8| 46.8 -2.5 44.3 29.6 0.84| 6.3 5.2 2000 108 19 78 11| 3.6 0.9 4.5| 46.8 -10.0 36.8 18.4 0.59| 5.6 3.3 2500 109 19 78 11| 2.9 1.5 4.3| 46.8 -16.7 30.1 12.0 0.39| 5.2 2.0 3000 108 18 75 10| 2.4 1.6 4.0| 46.8 -20.6 26.2 8.7 0.29| 4.7 1.4 4000 108 17 70 9| 1.7 1.2 2.9| 46.8 -21.5 25.3 6.3 0.26| 3.7 1.0 5000 108 16 65 8| 1.3 1.0 2.3| 46.8 -22.5 24.3 4.9 0.23| 3.0 0.7 6000 108 15 61 8| 1.1 0.8 1.9| 47.7 -22.7 24.9 4.2 0.23| 2.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260113.00.gif