UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 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 1011 116 -10.7 -12.9 84 2.2 -11.2 20 3 261.6 261.9 261.3 265.4 1.40 1 1000 200 -11.9 -14.4 82 2.5 -12.5 20 5 261.2 261.4 260.7 264.6 1.25 2 980 352 -12.9 -15.0 84 2.1 -13.3 42 8 261.8 262.0 261.0 265.0 1.21 3 930 746 -12.9 -14.2 90 1.3 -13.2 99 14 265.7 265.9 264.3 269.5 1.37 4 925 787 -8.9 -10.1 91 1.2 -9.2 105 15 270.2 270.5 268.3 275.5 1.91 5 881 1165 -8.3 -9.2 93 0.9 -8.6 102 12 274.6 275.0 271.5 280.6 2.16 6 850 1443 -9.5 -13.0 76 3.5 -10.5 100 9 276.2 276.5 271.6 280.9 1.65 7 759 2309 -14.9 -17.3 82 2.4 -15.4 129 11 279.4 279.7 273.0 283.2 1.29 8 746 2440 -13.1 -15.0 86 1.9 -13.6 134 12 282.8 283.1 275.3 287.5 1.60 9 730 2605 -13.1 -15.0 86 1.9 -13.6 139 12 284.5 284.8 276.3 289.4 1.63 10 700 2923 -15.5 -18.7 76 3.2 -16.2 150 13 285.3 285.5 276.2 289.1 1.25 11 672 3230 -17.9 -20.2 82 2.3 -18.4 152 14 286.0 286.2 276.3 289.4 1.14 12 660 3365 -17.5 -19.8 82 2.3 -18.0 153 14 287.9 288.1 277.4 291.6 1.20 13 644 3548 -18.5 -21.5 77 3.0 -19.1 155 14 288.8 289.0 277.7 292.1 1.06 14 590 4195 -23.9 -27.9 70 4.0 -24.5 160 16 289.8 290.0 277.6 291.9 0.65 15 589 4208 -23.9 -28.0 69 4.1 -24.5 160 16 290.0 290.1 277.7 292.0 0.65 16 528 5001 -27.5 -42.5 23 15.0 -28.8 167 18 294.9 294.9 279.3 295.5 0.17 17 522 5083 -28.5 -44.5 20 16.0 -29.7 167 18 294.6 294.7 279.1 295.1 0.14 18 500 5390 -31.1 -44.1 27 13.0 -32.0 170 19 295.1 295.1 279.4 295.6 0.15 19 400 6930 -43.1 -54.1 29 11.0 -43.5 170 7 299.0 299.0 281.0 299.2 0.06 20 345 7908 -51.9 -62.9 26 11.0 -52.1 137 7 300.0 300.0 281.4 300.0 0.02 21 303 8737 -58.5 -68.5 27 10.0 -58.6 107 7 302.0 302.0 282.2 302.1 0.01 22 300 8800 -58.9 -68.9 26 10.0 -59.0 105 7 302.3 302.3 282.3 302.4 0.01 23 287 9078 -59.9 -68.9 30 9.0 -60.0 110 11 304.7 304.7 283.3 304.8 0.01 24 250 9940 -60.1 -69.1 30 9.0 -60.2 90 17 316.7 316.7 287.7 316.8 0.01 25 236 10299 -60.9 -69.9 30 9.0 -61.0 82 14 320.8 320.8 289.0 320.8 0.01 26 231 10433 -60.1 -69.1 30 9.0 -60.2 79 13 324.0 324.0 290.0 324.0 0.02 27 200 11330 -61.1 -70.1 29 9.0 -61.2 60 5 336.0 336.0 293.3 336.1 0.02 28 150 13110 -62.3 -73.3 22 11.0 -62.4 325 5 362.8 362.8 299.2 362.8 0.01 29 100 15590 -65.9 -78.9 15 13.0 -66.0 345 21 400.4 400.4 305.3 400.4 0.01 30 80 16940 -67.7 -80.7 14 13.0 -67.8 339 29 423.1 423.1 308.1 423.1 0.01 31 70 17740 -69.7 -83.7 11 14.0 -69.8 335 33 435.3 435.3 309.4 435.3 0.01 32 50 19710 -75.1 -89.1 10 14.0 -75.2 330 38 466.5 466.5 312.4 466.5 0.00 33 38 21292 -78.7 -92.7 8 14.0 -78.7 325 47 495.4 495.4 314.6 495.4 0.00 34 30 22640 -79.1 -93.1 8 14.0 -79.1 320 54 529.0 529.0 316.9 529.0 0.00 35 20 24940 -79.5 -93.5 8 14.0 -79.6 310 54 592.8 592.8 320.3 592.8 0.00 36 15 26573 -79.3 -93.3 8 14.0 -79.4 644.3 644.3 322.4 644.3 0.00 TRP 287 9078 -59.9 -68.9 30 9.0 -60.0 110 11 304.7 304.7 283.3 304.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5190.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 71.34 % Est. max temperature: 3.34 C = 38.02 F Sfc-Lift cond lev (LCL): 975.81 mb = 384.45 m = 1261.30 ft T: -12.90 C 700-500 lapse rate: 6.32 C/km ThetaE index: 0.76 C Layer 1000.0- 980.0 mb Conv cond level (CCL): 672.77 mb = 3221.36 m = 10568.65 ft Mean mixing ratio: 1.40 g/kg Conv temperature: 13.71 C = 56.67 F Cap Strength: 22.46 C Lifted Index: 22.26 C Risk: None Lifted Index @300 mb: 24.22 C Lifted Index @700 mb: 16.53 C Showalter Index: 12.12 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.10 C K Index: 5.40 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.67 J/kg Max Up Vert Vel: 8.45 m/s Conv Inhibition (B-): 47950.05 J/kg Cap Strength: 22.33 C Lift Cond Lev (LCL): 934.42 mb = 710.46 m = 2330.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 178 at 10 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 116 20 3 -1.0 -2.8 | 3 13 -0.6 -13.0 1 1000 200 20 5 -1.7 -4.7 | 5 15 -1.3 -14.9 2 925 787 105 15 -14.5 3.9 | 66 15 -14.1 -6.3 3 850 1443 100 9 -8.9 1.6 | 44 12 -8.5 -8.7 4 700 2923 150 13 -6.5 11.3 | 100 6 -6.1 1.0 5 500 5390 170 19 -3.3 18.7 | 161 9 -2.9 8.5 6 400 6930 170 7 -1.2 6.9 | 14 3 -0.8 -3.3 7 300 8800 105 7 -6.8 1.8 | 37 11 -6.4 -8.4 8 287 9078 110 11 -10.3 3.8 | 57 12 -9.9 -6.5 9 250 9940 90 17 -17.0 0.0 | 58 20 -16.6 -10.2 10 200 11330 60 5 -4.3 -2.5 | 17 13 -3.9 -12.7 11 150 13110 325 5 2.9 -4.1 | 347 15 3.3 -14.3 12 100 15590 345 21 5.4 -20.3 | 349 31 5.8 -30.5 13 70 17740 335 33 13.9 -29.9 | 340 43 14.3 -40.1 14 50 19710 330 38 19.0 -32.9 | 336 47 19.4 -43.1 15 30 22640 320 54 34.7 -41.4 | 326 62 35.1 -51.6 16 20 24940 310 54 41.4 -34.7 | 317 61 41.8 -44.9 Wind Parameters Mean winds (0-6000m): 147.8 at 13.6 knts Storm direction: 177.8 at 10.2 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 102.3 deg Storm rel helicity (0-3000m) pos: 97.5 neg: -16.8 tot: 80.7 m^2/s^2 ave: 26.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.13 Bulk Shear: 31.68 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 60 8 24 15| 11.2 0.0 11.2| 50.3 0.0 50.3 100.5 0.86| 13.8 11.9 1000 93 11 47 14| 6.2 0.0 6.2| 76.4 -8.6 67.7 67.7 0.69| 11.6 8.0 1500 96 10 48 14| 3.3 0.0 3.3| 78.6 -16.8 61.8 41.2 0.52| 9.0 4.7 2000 101 10 50 13| 3.0 0.0 3.0| 86.2 -16.8 69.4 34.7 0.56| 7.6 4.2 2500 109 11 55 12| 2.9 0.0 2.9| 92.9 -16.8 76.1 30.4 0.58| 6.8 4.0 3000 117 11 61 11| 2.7 0.0 2.7| 97.5 -16.8 80.7 26.9 0.61| 6.2 3.8 4000 130 12 73 9| 2.4 0.0 2.4|102.9 -16.8 86.1 21.5 0.64| 5.1 3.2 5000 141 13 89 8| 2.2 0.0 2.2|109.1 -16.8 92.3 18.5 0.66| 4.4 2.9 6000 148 14 101 7| 1.7 0.3 2.0|110.9 -18.8 92.1 15.4 0.56| 4.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260113.12.gif