UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010800.upa.cvt Date: 0000Z 8 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 8 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 1003 112 -11.3 -13.2 86 1.9 -11.8 20 5 261.6 261.8 261.2 265.3 1.38 1 1000 135 -11.5 -13.4 86 1.9 -11.9 25 5 261.6 261.9 261.2 265.3 1.36 2 925 728 -15.3 -17.3 85 2.0 -15.7 80 21 263.7 263.8 262.2 266.6 1.06 3 873 1162 -17.9 -19.9 84 2.0 -18.3 73 18 265.4 265.5 263.1 267.9 0.90 4 850 1362 -17.1 -19.0 85 1.9 -17.4 70 17 268.2 268.4 265.4 271.1 1.00 5 844 1415 -16.9 -18.7 86 1.8 -17.3 71 17 269.0 269.2 266.0 271.9 1.03 6 700 2800 -24.5 -27.3 78 2.8 -24.9 85 29 275.4 275.5 269.4 277.1 0.58 7 626 3605 -29.3 -31.8 79 2.5 -29.6 107 22 278.8 278.9 271.2 280.1 0.43 8 540 4642 -37.7 -39.5 83 1.8 -37.8 135 12 280.8 280.9 272.1 281.6 0.23 9 536 4693 -38.1 -39.9 83 1.8 -38.2 137 12 280.9 281.0 272.1 281.7 0.22 10 500 5170 -39.1 -42.2 72 3.1 -39.3 150 7 285.4 285.4 274.5 286.0 0.19 11 466 5649 -41.3 -45.6 63 4.3 -41.5 175 16 288.4 288.5 276.1 288.9 0.14 12 447 5932 -40.5 -45.5 59 5.0 -40.8 190 22 292.9 292.9 278.3 293.4 0.15 13 410 6515 -43.9 -50.9 46 7.0 -44.2 221 33 295.8 295.9 279.6 296.1 0.09 14 400 6680 -43.9 -51.9 41 8.0 -44.2 230 36 297.9 297.9 280.6 298.2 0.08 15 341 7743 -47.7 -58.7 27 11.0 -48.0 233 47 306.7 306.7 284.1 306.8 0.04 16 320 8160 -50.1 -61.1 26 11.0 -50.3 234 52 309.0 309.0 285.0 309.1 0.03 17 300 8580 -52.1 -64.1 22 12.0 -52.3 235 56 311.9 311.9 286.1 312.0 0.02 18 262 9445 -57.0 -69.0 21 12.0 -57.1 245 64 317.0 317.0 287.8 317.1 0.01 19 250 9740 -58.7 -70.7 20 12.0 -58.8 245 64 318.8 318.8 288.3 318.8 0.01 20 249 9765 -58.9 -70.9 20 12.0 -59.0 245 64 318.9 318.9 288.4 318.9 0.01 21 226 10376 -60.7 -72.7 19 12.0 -60.8 240 60 325.1 325.1 290.3 325.1 0.01 22 212 10776 -61.3 -73.3 19 12.0 -61.4 243 56 330.1 330.1 291.7 330.2 0.01 23 200 11140 -61.3 -73.3 19 12.0 -61.4 245 52 335.7 335.7 293.3 335.7 0.01 24 190 11458 -60.7 -72.7 19 12.0 -60.8 244 51 341.6 341.6 294.7 341.7 0.01 25 161 12478 -64.3 -76.3 18 12.0 -64.4 241 49 352.1 352.1 297.1 352.1 0.01 26 150 12910 -64.1 -76.1 18 12.0 -64.2 240 48 359.7 359.7 298.7 359.7 0.01 27 120 14272 -66.1 -78.1 17 12.0 -66.2 240 41 379.7 379.7 302.2 379.7 0.01 28 100 15370 -69.3 -81.3 16 12.0 -69.4 240 35 393.8 393.8 304.3 393.9 0.01 29 83 16485 -70.9 -82.9 15 12.0 -71.0 248 41 412.1 412.1 306.7 412.2 0.00 30 70 17500 -70.5 -82.5 15 12.0 -70.6 255 46 433.6 433.6 309.2 433.6 0.01 31 50 19470 -72.9 -84.9 15 12.0 -73.0 250 44 471.7 471.7 312.8 471.7 0.01 32 46 19959 -72.9 -84.9 15 12.0 -73.0 483.1 483.1 313.7 483.1 0.01 TRP 226 10376 -60.7 -72.7 19 12.0 -60.8 240 60 325.1 325.1 290.3 325.1 0.01 WND 262 9445 -57.0 -69.0 21 12.0 -57.1 245 64 317.0 317.0 287.8 317.1 0.01 Sounding variables and indices 1000-500 mb thick: 5035.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 81.41 % Est. max temperature: -5.07 C = 22.88 F Sfc-Lift cond lev (LCL): 972.70 mb = 345.53 m = 1133.61 ft T: -12.85 C 700-500 lapse rate: 6.16 C/km ThetaE index: 0.02 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 901.84 mb = 918.30 m = 3012.75 ft Mean mixing ratio: 1.17 g/kg Conv temperature: -8.51 C = 16.68 F Cap Strength: 12.56 C Lifted Index: 15.90 C Risk: None Lifted Index @300 mb: 32.43 C Lifted Index @700 mb: 9.17 C Showalter Index: 11.92 C Risk: None Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 20.10 C K Index: 0.20 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.63 J/kg Max Up Vert Vel: 3.91 m/s Conv Inhibition (B-): 33227.82 J/kg Cap Strength: 15.63 C Lift Cond Lev (LCL): 922.92 mb = 744.93 m = 2443.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 125 at 14 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 1003 112 20 5 -1.7 -4.7 | 323 16 9.6 -12.6 1 1000 135 25 5 -2.1 -4.5 | 323 15 9.2 -12.5 2 925 728 80 21 -20.7 -3.6 | 39 15 -9.3 -11.6 3 850 1362 70 17 -16.0 -5.8 | 19 14 -4.6 -13.7 4 700 2800 85 29 -28.9 -2.5 | 59 20 -17.6 -10.4 5 500 5170 150 7 -3.5 6.1 | 283 8 7.8 -1.9 6 400 6680 230 36 27.6 23.1 | 249 42 38.9 15.2 7 300 8580 235 56 45.9 32.1 | 247 62 57.2 24.2 8 262 9445 245 64 58.0 27.0 | 255 72 69.3 19.1 9 250 9740 245 64 58.0 27.0 | 255 72 69.3 19.1 10 226 10376 240 60 52.0 30.0 | 251 67 63.3 22.1 11 200 11140 245 52 47.1 22.0 | 256 60 58.5 14.1 12 150 12910 240 48 41.6 24.0 | 253 55 52.9 16.1 13 100 15370 240 35 30.3 17.5 | 257 43 41.6 9.6 14 70 17500 255 46 44.4 11.9 | 266 56 55.8 4.0 15 50 19470 250 44 41.3 15.0 | 262 53 52.7 7.1 Wind Parameters Mean winds (0-6000m): 94.9 at 18.4 knts Storm direction: 124.9 at 13.8 knts Shear (0-3000m) pos: 4.3 neg: 0.1 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 147.0 neg: -15.9 tot: 131.1 m^2/s^2 ave: 43.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.44 Bulk Shear: 17.26 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 59 11 353 14| 15.5 0.0 15.5| 66.1 0.0 66.1 132.2 1.00| 16.5 16.4 1000 73 15 16 13| 8.3 0.0 8.3| 82.3 -9.7 72.6 72.6 0.77| 11.7 9.0 1500 73 16 18 13| 5.5 0.2 5.8| 89.0 -15.9 73.2 48.8 0.67| 9.0 6.1 2000 74 17 23 14| 5.3 0.2 5.5|107.0 -15.9 91.1 45.5 0.71| 7.9 5.6 2500 76 19 30 14| 5.2 0.1 5.3|127.1 -15.9 111.2 44.5 0.73| 7.3 5.4 3000 79 20 36 15| 4.3 0.1 4.4|147.0 -15.9 131.1 43.7 0.71| 7.3 5.1 4000 84 21 43 14| 2.4 0.1 2.5|160.7 -15.9 144.8 36.2 0.63| 7.2 4.5 5000 86 19 39 12| 1.2 0.1 1.3|165.1 -15.9 149.2 29.8 0.62| 6.9 4.3 6000 95 18 48 9| 2.6 0.1 2.7|173.4 -36.1 137.3 22.9 0.38| 7.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260108.00.gif