UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 29 APR 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1005 5 -0.9 -4.4 77 3.5 -2.1 340 5 271.9 272.3 270.7 279.3 2.74 1 1000 45 -1.1 -6.1 69 5.0 -2.8 335 7 272.0 272.5 270.4 278.7 2.42 2 925 660 -6.9 -11.4 70 4.5 -8.2 330 13 272.3 272.5 269.3 277.1 1.73 3 850 1313 -12.5 -18.5 61 6.0 -13.8 320 13 273.1 273.2 268.7 276.0 1.04 4 702 2743 -23.7 -27.7 70 4.0 -24.2 300 19 276.0 276.1 269.7 277.7 0.56 5 700 2764 -23.7 -27.7 70 4.0 -24.2 300 19 276.2 276.3 269.9 277.9 0.56 6 605 3817 -28.5 -32.8 66 4.3 -28.9 313 23 282.5 282.5 273.3 283.7 0.40 7 558 4392 -30.9 -39.9 41 9.0 -31.6 320 26 286.2 286.3 275.0 286.9 0.21 8 532 4728 -33.3 -43.3 36 10.0 -34.0 324 27 287.3 287.3 275.5 287.8 0.16 9 500 5160 -36.7 -46.7 35 10.0 -37.2 330 29 288.3 288.3 276.0 288.7 0.11 10 416 6410 -46.1 -56.1 31 10.0 -46.3 314 29 291.8 291.8 277.6 291.9 0.05 11 400 6670 -47.5 -57.5 31 10.0 -47.7 310 29 293.3 293.3 278.3 293.4 0.04 12 369 7203 -49.3 -59.3 30 10.0 -49.5 310 27 297.7 297.7 280.4 297.8 0.03 13 300 8570 -47.1 -58.1 27 11.0 -47.4 305 27 319.0 319.0 288.5 319.2 0.05 14 250 9780 -45.5 -58.5 22 13.0 -46.0 290 27 338.4 338.4 294.0 338.7 0.06 15 231 10304 -44.7 -58.7 19 14.0 -45.3 292 24 347.4 347.4 296.1 347.6 0.06 16 200 11260 -44.9 -59.9 17 15.0 -45.6 295 19 361.7 361.7 299.1 361.9 0.06 17 150 13180 -46.5 -63.5 13 17.0 -47.3 275 11 389.9 389.9 303.8 390.2 0.05 18 100 15860 -47.7 -64.7 12 17.0 -48.7 255 5 435.6 435.6 309.4 435.9 0.06 19 70 18210 -48.7 -66.7 11 18.0 -50.0 230 7 480.2 480.2 313.5 480.6 0.07 20 50 20420 -49.3 -67.3 10 18.0 -51.0 210 9 527.3 527.3 316.8 527.9 0.09 21 30 23760 -49.1 -68.1 9 19.0 -51.7 190 17 610.8 610.8 321.2 611.8 0.13 22 24 25218 -50.5 -69.5 9 19.0 -53.2 201 14 647.0 647.0 322.6 648.1 0.14 23 20 26410 -48.7 -67.7 9 19.0 -52.2 210 11 687.1 687.2 324.1 688.9 0.21 24 17 27484 -46.5 -65.5 10 19.0 -51.1 726.9 727.0 325.4 729.9 0.34 25 14 28767 -48.5 -67.5 9 19.0 -53.0 761.6 761.7 326.3 764.5 0.31 26 11 30365 -45.3 -64.3 10 19.0 -51.6 827.6 827.9 328.0 833.9 0.61 TRP 369 7203 -49.3 -59.3 30 10.0 -49.5 310 27 297.7 297.7 280.4 297.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5115.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 60.57 % Est. max temperature: 0.24 C = 32.43 F Sfc-Lift cond lev (LCL): 951.37 mb = 438.24 m = 1437.79 ft T: -4.81 C 700-500 lapse rate: 5.43 C/km ThetaE index: 3.28 C Layer 1000.0- 702.0 mb Conv cond level (CCL): 880.47 mb = 1041.03 m = 3415.40 ft Mean mixing ratio: 2.00 g/kg Conv temperature: -0.03 C = 31.94 F Cap Strength: 8.46 C Lifted Index: 8.98 C Risk: None Lifted Index @300 mb: 29.23 C Lifted Index @700 mb: 0.66 C Showalter Index: 10.33 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 18.20 C K Index: 1.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.12 J/kg Max Up Vert Vel: 1.50 m/s Conv Inhibition (B-): 66023.16 J/kg Cap Strength: 8.88 C Lift Cond Lev (LCL): 887.67 mb = 978.16 m = 3209.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 15 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 1005 5 340 5 1.7 -4.7 | 173 10 -1.3 10.2 1 1000 45 335 7 3.0 -6.3 | 180 9 -0.0 8.5 2 925 660 330 13 6.5 -11.3 | 224 5 3.5 3.6 3 850 1313 320 13 8.4 -10.0 | 228 7 5.4 4.9 4 700 2764 300 19 16.5 -9.5 | 248 15 13.5 5.4 5 500 5160 330 29 14.5 -25.1 | 312 15 11.5 -10.2 6 400 6670 310 29 22.2 -18.6 | 281 20 19.3 -3.8 7 369 7203 310 27 20.7 -17.4 | 278 18 17.7 -2.5 8 300 8570 305 27 22.1 -15.5 | 272 19 19.2 -0.6 9 250 9780 290 27 25.4 -9.2 | 256 23 22.4 5.7 10 200 11260 295 19 17.2 -8.0 | 244 16 14.3 6.9 11 150 13180 275 11 11.0 -1.0 | 210 16 8.0 13.9 12 100 15860 255 5 4.8 1.3 | 187 16 1.9 16.2 13 70 18210 230 7 5.4 4.5 | 187 20 2.4 19.4 14 50 20420 210 9 4.5 7.8 | 184 23 1.5 22.7 15 30 23760 190 17 3.0 16.7 | 180 32 -0.0 31.6 16 20 26410 210 11 5.5 9.5 | 186 25 2.5 24.4 Wind Parameters Mean winds (0-6000m): 318.8 at 20.2 knts Storm direction: 348.8 at 15.2 knts Shear (0-3000m) pos: 0.0 neg: 2.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 80.9 deg Storm rel helicity (0-3000m) pos: 24.9 neg: 0.0 tot: 24.9 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 18.22 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 ------------------------------------------------------------------------------- 500 333 9 189 7| 0.0 6.8 6.8| 8.5 0.0 8.5 17.0 0.66| 6.8 4.5 1000 330 11 204 6| 0.0 4.3 4.3| 10.9 0.0 10.9 10.9 0.66| 4.7 3.1 1500 327 12 214 6| 0.0 3.2 3.2| 12.6 0.0 12.6 8.4 0.62| 3.9 2.4 2000 323 12 223 7| 0.0 3.0 3.0| 16.2 0.0 16.2 8.1 0.61| 3.6 2.2 2500 318 13 230 8| 0.0 2.9 2.9| 18.7 0.0 18.7 7.5 0.55| 3.5 1.9 3000 314 14 236 9| 0.0 2.8 2.8| 24.9 0.0 24.9 8.3 0.55| 3.4 1.9 4000 313 16 247 10| 0.8 2.1 2.9| 48.8 0.0 48.8 12.2 0.66| 3.4 2.2 5000 316 18 261 10| 1.4 1.7 3.0| 75.8 0.0 75.8 15.2 0.73| 3.4 2.5 6000 319 20 272 10| 1.1 1.7 2.8| 79.2 -21.6 57.6 9.6 0.51| 3.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250429.12.gif