UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 19 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 1016 108 -2.7 -4.1 90 1.4 -3.2 270 5 269.2 269.7 269.1 276.7 2.77 1 1000 233 -4.1 -6.1 86 2.0 -4.8 280 9 269.0 269.4 268.4 275.6 2.42 2 985 352 -4.9 -6.8 87 1.9 -5.5 290 11 269.4 269.8 268.5 275.7 2.33 3 962 540 0.8 -1.5 85 2.3 -0.2 305 14 277.0 277.6 275.0 286.8 3.56 4 925 854 -0.5 -6.5 64 6.0 -2.7 330 19 278.8 279.2 274.5 285.9 2.54 5 910 985 -0.9 -8.9 55 8.0 -3.6 330 19 279.7 280.1 274.5 285.8 2.14 6 908 1002 -1.3 -10.3 50 9.0 -4.2 330 19 279.5 279.8 274.0 285.0 1.92 7 850 1525 -5.1 -13.1 53 8.0 -7.5 330 17 280.8 281.1 274.3 285.6 1.64 8 700 3020 -15.7 -23.7 50 8.0 -17.3 330 27 285.1 285.2 275.4 287.6 0.81 9 666 3392 -18.9 -26.9 49 8.0 -20.2 331 29 285.6 285.7 275.4 287.6 0.63 10 560 4661 -26.5 -37.5 35 11.0 -27.6 337 37 291.1 291.2 277.7 292.0 0.27 11 522 5165 -29.5 -36.5 51 7.0 -30.2 339 40 293.4 293.5 278.9 294.5 0.32 12 500 5470 -32.1 -38.1 55 6.0 -32.6 340 42 293.9 294.0 279.0 294.9 0.29 13 468 5935 -35.7 -40.7 60 5.0 -36.1 339 43 295.0 295.1 279.5 295.8 0.23 14 400 7010 -44.9 -50.9 51 6.0 -45.1 335 46 296.6 296.7 280.0 297.0 0.09 15 331 8248 -55.1 -61.1 47 6.0 -55.2 338 47 299.1 299.2 281.0 299.3 0.03 16 302 8828 -59.3 -65.3 46 6.0 -59.3 340 48 301.2 301.2 281.8 301.3 0.02 17 300 8870 -59.5 -64.5 52 5.0 -59.6 340 48 301.5 301.5 282.0 301.6 0.02 18 282 9254 -60.9 -66.9 45 6.0 -61.0 340 50 304.8 304.8 283.4 304.9 0.02 19 277 9364 -61.1 -67.1 45 6.0 -61.2 340 50 306.1 306.1 283.8 306.2 0.02 20 252 9950 -59.9 -65.9 45 6.0 -60.0 340 48 316.3 316.3 287.5 316.4 0.02 21 250 10000 -59.9 -65.9 45 6.0 -60.0 340 48 317.0 317.0 287.8 317.1 0.02 22 212 11027 -62.1 -68.1 44 6.0 -62.1 344 42 328.9 328.9 291.4 329.0 0.02 23 202 11328 -60.1 -67.1 39 7.0 -60.2 345 40 336.6 336.6 293.5 336.7 0.02 24 200 11390 -60.7 -67.7 39 7.0 -60.8 345 40 336.6 336.6 293.5 336.7 0.02 25 150 13160 -63.5 -71.5 33 8.0 -63.6 340 35 360.7 360.7 298.8 360.8 0.02 26 100 15620 -68.5 -78.5 22 10.0 -68.6 325 31 395.4 395.4 304.6 395.4 0.01 27 70 17740 -71.5 -81.5 21 10.0 -71.6 320 27 431.4 431.4 309.0 431.5 0.01 28 50 19720 -73.7 -83.7 20 10.0 -73.7 295 33 469.8 469.8 312.6 469.9 0.01 29 34 21948 -77.3 -88.3 16 11.0 -77.4 291 50 515.1 515.1 316.0 515.2 0.00 30 30 22670 -74.7 -85.7 17 11.0 -74.8 290 56 541.0 541.0 317.6 541.0 0.01 31 21 24744 -73.5 -84.5 17 11.0 -73.7 286 63 602.7 602.7 320.7 602.8 0.01 32 20 25030 -72.1 -84.1 15 12.0 -72.3 285 64 615.5 615.5 321.3 615.6 0.02 33 17 25995 -68.9 -80.9 16 12.0 -69.4 655.0 655.0 322.9 655.3 0.03 34 14 27162 -66.9 -79.6 15 12.7 -67.5 285 81 699.3 699.3 324.4 699.7 0.05 35 13 27611 -66.1 -79.1 15 13.0 -66.9 716.9 717.0 325.0 717.5 0.06 36 13 27611 -63.7 -77.7 13 14.0 -64.8 725.3 725.3 325.3 725.9 0.07 37 12 28100 -65.3 -78.3 15 13.0 -66.2 736.4 736.4 325.6 737.0 0.07 TRP 282 9254 -60.9 -66.9 45 6.0 -61.0 340 50 304.8 304.8 283.4 304.9 0.02 WND 14 27162 -66.9 -79.6 15 12.7 -67.5 285 81 699.3 699.3 324.4 699.7 0.05 Sounding variables and indices 1000-500 mb thick: 5237.00 m Freezing level: Surface below freezing Freezing level: 965.23 mb = 513.44 m = 1684.49 ft Freezing level: 939.23 mb = 733.15 m = 2405.32 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 52.51 % Est. max temperature: 8.55 C = 47.40 F Sfc-Lift cond lev (LCL): 993.73 mb = 282.51 m = 926.86 ft T: -4.43 C 700-500 lapse rate: 6.69 C/km ThetaE index: 1.84 C Layer 925.0- 850.0 mb Conv cond level (CCL): 997.19 mb = 255.18 m = 837.20 ft Mean mixing ratio: 2.80 g/kg Conv temperature: -2.81 C = 26.94 F Cap Strength: 10.09 C Lifted Index: 10.24 C Risk: None Lifted Index @300 mb: 13.78 C Lifted Index @700 mb: 5.49 C Showalter Index: 7.49 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 19.00 C K Index: 5.90 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.50 J/kg Max Up Vert Vel: 10.34 m/s Conv Inhibition (B-): 45941.38 J/kg Cap Strength: 10.19 C Lift Cond Lev (LCL): 919.37 mb = 902.79 m = 2961.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 21 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 1016 108 270 5 5.0 -0.0 | 197 22 6.4 21.0 1 1000 233 280 9 8.9 -1.6 | 208 22 10.2 19.4 2 925 854 330 19 9.5 -16.5 | 247 12 10.9 4.5 3 850 1525 330 17 8.5 -14.7 | 238 12 9.9 6.3 4 700 3020 330 27 13.5 -23.4 | 279 15 14.9 -2.4 5 500 5470 340 42 14.4 -39.5 | 320 24 15.7 -18.5 6 400 7010 335 46 19.4 -41.7 | 315 29 20.8 -20.7 7 300 8870 340 48 16.4 -45.1 | 324 30 17.8 -24.1 8 282 9254 340 50 17.1 -47.0 | 325 32 18.5 -26.0 9 250 10000 340 48 16.4 -45.1 | 324 30 17.8 -24.1 10 200 11390 345 40 10.4 -38.6 | 326 21 11.7 -17.7 11 150 13160 340 35 12.0 -32.9 | 312 18 13.3 -11.9 12 100 15620 325 31 17.8 -25.4 | 283 20 19.2 -4.4 13 70 17740 320 27 17.4 -20.7 | 269 19 18.7 0.3 14 50 19720 295 33 29.9 -13.9 | 257 32 31.3 7.0 15 30 22670 290 56 52.6 -19.2 | 268 54 54.0 1.8 16 20 25030 285 64 61.8 -16.6 | 266 63 63.2 4.4 Wind Parameters Mean winds (0-6000m): 333.8 at 28.0 knts Storm direction: 3.8 at 21.0 knts Shear (0-3000m) pos: 3.4 neg: 1.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 84.2 deg Storm rel helicity (0-3000m) pos: 112.2 neg: -5.5 tot: 106.7 m^2/s^2 ave: 35.6 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.94 Bulk Shear: 57.03 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 ------------------------------------------------------------------------------- 500 295 11 214 20| 12.0 0.0 12.0| 62.0 0.0 62.0 124.0 0.88| 13.3 11.7 1000 317 14 226 15| 8.4 0.0 8.4| 79.4 -1.8 77.5 77.5 0.75| 10.6 7.9 1500 323 15 231 14| 5.6 0.2 5.8| 80.9 -5.5 75.4 50.3 0.66| 7.6 5.0 2000 325 16 235 13| 4.2 0.7 4.9| 91.3 -5.5 85.7 42.9 0.70| 6.6 4.6 2500 326 18 240 13| 3.4 1.2 4.6|101.6 -5.5 96.1 38.4 0.73| 5.9 4.3 3000 327 19 247 13| 3.4 1.0 4.4|112.2 -5.5 106.7 35.6 0.74| 5.5 4.1 4000 329 22 260 13| 3.3 0.8 4.1|137.3 -5.5 131.8 32.9 0.76| 5.0 3.8 5000 332 25 275 13| 3.3 0.6 4.0|165.4 -5.5 159.9 32.0 0.76| 4.7 3.6 6000 334 28 287 14| 3.0 0.6 3.7|176.3 -11.1 165.3 27.5 0.71| 4.3 3.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260119.12.gif