UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 17 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 1020 105 -7.1 -11.6 70 4.5 -8.3 250 1 264.5 264.8 263.7 268.7 1.54 1 1000 259 -8.7 -13.5 68 4.8 -9.9 230 3 264.5 264.7 263.3 268.1 1.35 2 980 415 -9.3 -14.0 69 4.7 -10.4 235 11 265.4 265.6 263.9 269.0 1.32 3 973 471 -8.3 -13.2 68 4.9 -9.5 237 14 266.9 267.2 265.2 270.8 1.42 4 967 519 -4.1 -10.1 63 6.0 -5.9 239 17 271.6 271.9 269.1 276.7 1.83 5 961 569 -2.3 -9.3 59 7.0 -4.5 240 19 273.9 274.3 270.8 279.4 1.96 6 925 873 0.0 -8.0 55 8.0 -2.8 250 35 279.3 279.7 274.4 285.7 2.26 7 918 934 0.4 -7.6 55 8.0 -2.4 251 35 280.3 280.7 275.1 287.0 2.35 8 850 1549 -1.1 -14.1 37 13.0 -5.1 260 31 285.0 285.3 276.4 289.5 1.51 9 772 2313 -3.5 -29.5 11 26.0 -8.9 260 29 290.4 290.4 277.5 291.8 0.43 10 766 2375 -3.9 -31.9 9 28.0 -9.4 260 29 290.6 290.6 277.5 291.7 0.34 11 726 2795 -7.5 -12.5 67 5.0 -9.1 260 28 291.1 291.5 280.1 297.2 2.01 12 700 3078 -9.5 -13.2 74 3.7 -10.6 260 27 292.0 292.3 280.4 297.9 1.97 13 622 3981 -15.9 -19.8 72 3.9 -16.8 264 32 294.7 294.9 280.7 298.6 1.28 14 597 4289 -18.1 -23.1 65 5.0 -19.1 265 33 295.6 295.8 280.8 298.7 1.00 15 569 4648 -18.5 -28.5 41 10.0 -20.3 266 35 299.2 299.3 281.9 301.3 0.64 16 566 4687 -18.9 -28.9 41 10.0 -20.7 266 35 299.2 299.3 281.8 301.2 0.62 17 500 5600 -25.3 -35.3 39 10.0 -26.6 270 40 302.2 302.3 282.8 303.5 0.38 18 421 6824 -34.7 -42.7 44 8.0 -35.3 274 45 305.4 305.4 283.8 306.1 0.21 19 400 7180 -36.5 -43.5 48 7.0 -37.0 275 46 307.6 307.6 284.7 308.3 0.20 20 338 8320 -46.3 -52.3 51 6.0 -46.5 281 45 309.4 309.4 285.2 309.7 0.09 21 330 8478 -47.3 -53.3 50 6.0 -47.5 282 45 310.1 310.1 285.5 310.4 0.08 22 300 9100 -52.1 -58.1 48 6.0 -52.2 285 44 311.9 311.9 286.1 312.1 0.05 23 268 9823 -56.3 -62.3 47 6.0 -56.4 291 46 316.0 316.0 287.5 316.1 0.03 24 267 9847 -57.1 -63.1 46 6.0 -57.2 291 47 315.2 315.2 287.2 315.3 0.03 25 250 10260 -60.5 -66.5 45 6.0 -60.6 295 48 316.1 316.1 287.5 316.2 0.02 26 200 11620 -68.7 -74.7 42 6.0 -68.7 295 48 324.0 324.0 290.0 324.0 0.01 27 192 11863 -70.5 -76.5 41 6.0 -70.5 300 46 324.9 324.9 290.2 324.9 0.01 28 187 12019 -70.3 -76.3 41 6.0 -70.4 299 45 327.7 327.7 291.0 327.7 0.01 29 178 12314 -66.5 -72.5 43 6.0 -66.5 298 43 338.5 338.5 294.0 338.6 0.01 30 150 13360 -61.5 -67.5 45 6.0 -61.6 295 36 364.1 364.1 299.5 364.3 0.03 31 100 15860 -62.7 -69.7 38 7.0 -62.9 295 23 406.6 406.6 306.1 406.7 0.03 32 86 16786 -63.1 -71.1 33 8.0 -63.3 291 26 423.7 423.7 308.2 423.9 0.03 33 70 18040 -66.3 -75.3 27 9.0 -66.4 285 31 442.5 442.6 310.1 442.7 0.02 34 50 20060 -69.7 -79.7 22 10.0 -69.8 280 44 479.2 479.2 313.4 479.3 0.01 35 44 20818 -72.9 -82.9 21 10.0 -73.0 280 50 489.3 489.3 314.2 489.3 0.01 36 35 22159 -74.5 -84.5 20 10.0 -74.6 280 61 518.2 518.2 316.2 518.2 0.01 37 30 23060 -73.5 -84.5 17 11.0 -73.6 280 68 544.3 544.3 317.8 544.3 0.01 38 20 25420 -73.1 -85.1 14 12.0 -73.3 280 97 612.4 612.4 321.2 612.5 0.01 39 18 26036 -73.9 -84.9 17 11.0 -74.1 628.6 628.6 321.9 628.7 0.02 40 14 27520 -69.3 -81.3 16 12.0 -69.8 691.1 691.1 324.1 691.4 0.04 41 12 28438 -70.1 -83.1 13 13.0 -70.6 719.4 719.4 325.0 719.7 0.03 TRP 192 11863 -70.5 -76.5 41 6.0 -70.5 300 46 324.9 324.9 290.2 324.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5341.00 m Freezing level: Surface below freezing Freezing level: 925.00 mb = 873.00 m = 2864.14 ft Freezing level: 899.87 mb = 1097.88 m = 3601.94 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 50.91 % Est. max temperature: 12.04 C = 53.67 F Sfc-Lift cond lev (LCL): 949.34 mb = 665.95 m = 2184.84 ft T: -1.56 C 700-500 lapse rate: 6.26 C/km ThetaE index: 0.60 C Layer 1000.0- 980.0 mb Conv cond level (CCL): 618.48 mb = 4023.11 m = 13199.03 ft Mean mixing ratio: 1.75 g/kg Conv temperature: 23.33 C = 73.99 F Cap Strength: 20.68 C Lifted Index: 22.08 C Risk: None Lifted Index @300 mb: 25.75 C Lifted Index @700 mb: 16.50 C Showalter Index: 11.30 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 11.20 C K Index: 6.40 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 2.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 81.67 J/kg Max Up Vert Vel: 12.78 m/s Conv Inhibition (B-): 60846.01 J/kg Cap Strength: 22.02 C Lift Cond Lev (LCL): 882.76 mb = 1246.71 m = 4090.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 23 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 1020 105 250 1 0.9 0.3 | 114 22 -20.3 9.2 1 1000 259 230 3 2.3 1.9 | 120 22 -19.0 10.8 2 925 873 250 35 32.9 12.0 | 209 24 11.6 20.8 3 850 1549 260 31 30.5 5.4 | 213 17 9.3 14.3 4 700 3078 260 27 26.6 4.7 | 201 15 5.3 13.6 5 500 5600 270 40 40.0 -0.0 | 245 21 18.8 8.9 6 400 7180 275 46 45.8 -4.0 | 259 25 24.6 4.9 7 300 9100 285 44 42.5 -11.4 | 277 21 21.3 -2.5 8 250 10260 295 48 43.5 -20.3 | 297 25 22.3 -11.4 9 200 11620 295 48 43.5 -20.3 | 297 25 22.3 -11.4 10 192 11863 300 46 39.8 -23.0 | 307 23 18.6 -14.1 11 150 13360 295 36 32.6 -15.2 | 299 13 11.4 -6.3 12 100 15860 295 23 20.8 -9.7 | 26 1 -0.4 -0.8 13 70 18040 285 31 29.9 -8.0 | 264 9 8.7 0.9 14 50 20060 280 44 43.3 -7.6 | 267 22 22.1 1.2 15 30 23060 280 68 67.0 -11.8 | 274 46 45.7 -2.9 16 20 25420 280 97 95.5 -16.8 | 276 75 74.3 -8.0 Wind Parameters Mean winds (0-6000m): 262.7 at 30.7 knts Storm direction: 292.7 at 23.0 knts Shear (0-3000m) pos: 2.0 neg: 3.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 187.5 neg: -12.4 tot: 175.2 m^2/s^2 ave: 58.4 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.5 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 1.19 Bulk Shear: 68.88 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 ------------------------------------------------------------------------------- 500 240 9 135 19| 0.0 20.6 20.6|104.0 0.0 104.0 208.0 0.98| 20.9 20.5 1000 249 20 170 16| 7.1 10.3 17.4|183.7 0.0 183.7 183.7 0.93| 19.0 17.6 1500 253 24 186 16| 4.4 6.9 11.3|187.5 -0.3 187.3 124.8 0.84| 14.3 12.0 2000 255 25 192 16| 3.3 4.8 8.1|187.5 -4.6 183.0 91.5 0.79| 11.1 8.7 2500 256 26 195 16| 2.6 3.6 6.3|187.5 -8.9 178.7 71.5 0.74| 9.1 6.8 3000 257 26 197 16| 2.0 3.0 5.1|187.5 -12.4 175.2 58.4 0.71| 7.8 5.5 4000 258 27 200 15| 2.2 2.3 4.5|208.9 -12.4 196.6 49.1 0.73| 6.6 4.8 5000 260 29 208 15| 2.4 1.8 4.2|232.2 -12.4 219.8 44.0 0.75| 5.8 4.3 6000 263 31 216 16| 2.4 1.5 3.9|254.9 -12.4 242.5 40.4 0.75| 5.3 4.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260117.12.gif