UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010700.upa.cvt Date: 0000Z 7 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 7 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 1014 109 -9.7 -11.8 85 2.1 -10.2 90 1 262.4 262.6 262.1 266.5 1.52 1 1000 216 -9.7 -12.4 81 2.7 -10.4 110 3 263.5 263.7 262.8 267.4 1.47 2 937 715 -13.5 -15.9 82 2.4 -14.0 118 13 264.5 264.7 263.0 267.8 1.18 3 932 756 -11.3 -13.8 82 2.5 -11.9 119 14 267.2 267.4 265.4 271.1 1.41 4 925 814 -11.3 -13.8 82 2.5 -11.9 120 15 267.8 268.0 265.8 271.7 1.42 5 889 1119 -10.3 -13.3 79 3.0 -11.1 132 14 271.8 272.1 268.8 276.2 1.54 6 850 1463 -11.9 -15.7 73 3.8 -12.8 145 13 273.7 273.9 269.5 277.4 1.32 7 816 1774 -13.7 -18.4 68 4.7 -14.7 145 13 275.0 275.2 270.0 278.2 1.10 8 700 2918 -23.1 -29.1 58 6.0 -23.9 145 11 276.9 277.0 270.2 278.4 0.49 9 604 3980 -32.1 -39.1 50 7.0 -32.6 165 15 278.4 278.5 270.6 279.1 0.21 10 552 4610 -36.7 -43.7 48 7.0 -37.1 177 17 280.2 280.3 271.6 280.7 0.14 11 500 5290 -40.9 -46.9 52 6.0 -41.2 190 19 283.2 283.2 273.2 283.5 0.11 12 442 6120 -44.7 -50.7 51 6.0 -44.9 207 23 288.5 288.6 276.0 288.8 0.08 13 400 6780 -49.7 -55.7 49 6.0 -49.8 220 27 290.4 290.4 276.9 290.6 0.05 14 394 6878 -50.7 -56.7 49 6.0 -50.8 221 28 290.3 290.4 276.9 290.5 0.05 15 303 8548 -60.3 -66.3 45 6.0 -60.3 235 42 299.5 299.5 281.1 299.6 0.02 16 300 8610 -60.1 -66.1 45 6.0 -60.2 235 44 300.6 300.6 281.6 300.7 0.02 17 288 8864 -59.7 -65.7 45 6.0 -59.7 237 48 304.7 304.7 283.3 304.8 0.02 18 250 9740 -62.3 -68.3 44 6.0 -62.4 245 62 313.4 313.4 286.6 313.5 0.02 19 239 10017 -62.6 -68.6 44 6.0 -62.6 245 64 317.1 317.1 287.8 317.1 0.02 20 200 11110 -63.7 -69.7 44 6.0 -63.7 245 52 331.9 331.9 292.2 331.9 0.02 21 150 12880 -63.9 -69.9 44 6.0 -64.0 245 50 360.0 360.0 298.7 360.1 0.02 22 132 13659 -63.3 -69.3 44 6.0 -63.4 248 47 374.5 374.5 301.4 374.6 0.03 23 100 15340 -67.3 -73.3 42 6.0 -67.4 255 40 397.7 397.7 304.9 397.8 0.02 24 70 17480 -70.3 -76.3 41 6.0 -70.4 260 46 434.0 434.0 309.3 434.1 0.02 25 59 18495 -70.7 -76.7 41 6.0 -70.8 454.8 454.8 311.3 454.9 0.02 TRP 303 8548 -60.3 -66.3 45 6.0 -60.3 235 42 299.5 299.5 281.1 299.6 0.02 WND 239 10017 -62.6 -68.6 44 6.0 -62.6 245 64 317.1 317.1 287.8 317.1 0.02 Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 62.13 % Est. max temperature: 0.95 C = 33.71 F Sfc-Lift cond lev (LCL): 980.35 mb = 368.23 m = 1208.10 ft T: -10.86 C 700-500 lapse rate: 7.50 C/km Conv cond level (CCL): 781.90 mb = 2092.61 m = 6865.42 ft Mean mixing ratio: 1.37 g/kg Conv temperature: 3.50 C = 38.31 F Cap Strength: 10.24 C Lifted Index: 12.22 C Risk: None Lifted Index @300 mb: 22.85 C Lifted Index @700 mb: 8.70 C Showalter Index: 5.02 C Risk: None Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.00 C Cross Totals Index: 25.20 C K Index: 7.30 Risk: None Sweat Index: 149.00 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.35 J/kg Max Up Vert Vel: 6.38 m/s Conv Inhibition (B-): 27459.53 J/kg Cap Strength: 12.04 C Lift Cond Lev (LCL): 924.81 mb = 815.61 m = 2675.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 196 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 1014 109 90 1 -1.0 0.0 | 21 11 -3.9 -10.3 1 1000 216 110 3 -2.8 1.0 | 32 11 -5.7 -9.3 2 925 814 120 15 -13.0 7.5 | 80 16 -15.9 -2.8 3 850 1463 145 13 -7.5 10.6 | 92 10 -10.3 0.3 4 700 2918 145 11 -6.3 9.0 | 82 9 -9.2 -1.3 5 500 5290 190 19 3.3 18.7 | 183 8 0.4 8.4 6 400 6780 220 27 17.4 20.7 | 234 18 14.5 10.4 7 303 8548 235 42 34.4 24.1 | 246 34 31.5 13.8 8 300 8610 235 44 36.0 25.2 | 246 36 33.1 14.9 9 250 9740 245 62 56.2 26.2 | 253 56 53.3 15.9 10 239 10017 245 64 58.0 27.0 | 253 58 55.1 16.7 11 200 11110 245 52 47.1 22.0 | 255 46 44.2 11.7 12 150 12880 245 50 45.3 21.1 | 256 44 42.4 10.8 13 100 15340 255 40 38.6 10.4 | 270 36 35.7 0.0 14 70 17480 260 46 45.3 8.0 | 273 42 42.4 -2.3 Wind Parameters Mean winds (0-6000m): 165.7 at 14.3 knts Storm direction: 195.7 at 10.7 knts Shear (0-3000m) pos: 2.1 neg: 0.2 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 66.9 deg Storm rel helicity (0-3000m) pos: 55.0 neg: -4.2 tot: 50.7 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.15 Bulk Shear: 17.65 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 ------------------------------------------------------------------------------- 500 114 6 46 11| 10.3 0.0 10.3| 29.5 0.0 29.5 58.9 0.94| 10.3 9.7 1000 121 10 65 12| 6.9 0.0 6.9| 48.9 0.0 48.9 48.9 0.84| 8.8 7.4 1500 128 11 73 12| 4.2 0.0 4.2| 52.8 -0.3 52.5 35.0 0.75| 7.1 5.3 2000 133 11 77 12| 3.2 0.2 3.3| 52.8 -1.8 51.0 25.5 0.70| 5.5 3.8 2500 136 11 79 11| 2.5 0.3 2.8| 52.8 -3.3 49.5 19.8 0.65| 4.5 3.0 3000 137 11 80 11| 2.1 0.2 2.4| 55.0 -4.2 50.7 16.9 0.64| 4.0 2.6 4000 144 12 86 10| 2.1 0.2 2.2| 66.5 -4.2 62.3 15.6 0.70| 3.7 2.6 5000 154 13 99 9| 2.0 0.1 2.2| 79.2 -4.2 75.0 15.0 0.75| 3.6 2.7 6000 166 14 119 7| 2.1 0.1 2.2| 98.4 -4.2 94.2 15.7 0.76| 3.8 2.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260107.00.gif