UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 19 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 1007 10 -0.7 -3.1 84 2.4 -1.6 315 11 271.9 272.4 271.2 280.1 3.02 1 1000 66 -0.7 -5.1 72 4.4 -2.3 330 15 272.5 272.9 270.9 279.6 2.61 2 955 431 -4.1 -9.1 68 5.0 -5.7 336 23 272.6 272.9 270.0 278.2 2.01 3 925 682 -6.1 -9.7 76 3.6 -7.2 340 29 273.1 273.4 270.2 278.6 1.98 4 850 1336 -11.9 -14.2 83 2.3 -12.5 340 25 273.7 273.9 269.9 277.9 1.50 5 826 1555 -13.9 -15.4 88 1.5 -14.2 339 26 273.8 274.1 269.8 277.8 1.39 6 821 1601 -13.1 -14.6 88 1.5 -13.5 338 26 275.1 275.4 270.8 279.4 1.50 7 803 1770 -11.1 -18.1 56 7.0 -12.8 337 27 279.0 279.2 272.5 282.4 1.14 8 796 1838 -11.3 -20.3 47 9.0 -13.3 337 28 279.5 279.7 272.5 282.3 0.96 9 700 2815 -16.3 -33.3 22 17.0 -18.7 330 33 284.4 284.5 274.3 285.5 0.33 10 694 2879 -16.7 -32.7 24 16.0 -19.0 329 33 284.7 284.8 274.5 285.8 0.35 11 672 3121 -16.3 -34.3 20 18.0 -18.8 326 35 287.8 287.8 276.0 288.8 0.31 12 661 3244 -16.7 -35.7 18 19.0 -19.3 324 35 288.7 288.7 276.5 289.6 0.28 13 500 5270 -32.3 -48.3 19 16.0 -33.3 295 46 293.7 293.7 278.6 294.0 0.10 14 403 6760 -43.7 -50.7 46 7.0 -44.0 290 66 297.6 297.6 280.4 297.9 0.09 15 400 6810 -43.7 -50.7 46 7.0 -44.0 290 66 298.2 298.2 280.7 298.5 0.09 16 392 6946 -43.5 -50.5 46 7.0 -43.7 289 69 300.2 300.2 281.5 300.5 0.10 17 349 7725 -43.6 -53.1 34 9.5 -44.0 285 83 310.2 310.2 285.5 310.5 0.08 18 310 8520 -43.7 -55.7 25 12.0 -44.2 289 78 320.7 320.8 289.0 321.0 0.06 19 300 8740 -44.1 -56.1 25 12.0 -44.6 290 77 323.2 323.2 289.8 323.5 0.06 20 270 9446 -45.5 -59.5 19 14.0 -46.0 290 68 331.1 331.1 292.0 331.2 0.05 21 250 9960 -45.3 -59.3 19 14.0 -45.8 290 62 338.7 338.7 294.0 338.9 0.05 22 200 11440 -47.1 -63.1 14 16.0 -47.7 290 54 358.2 358.2 298.4 358.4 0.04 23 150 13340 -48.1 -65.1 12 17.0 -48.8 295 42 387.2 387.2 303.4 387.4 0.04 24 100 16000 -51.5 -69.5 10 18.0 -52.2 310 35 428.2 428.2 308.7 428.4 0.03 25 70 18300 -50.9 -68.9 10 18.0 -52.0 325 25 475.5 475.5 313.1 475.8 0.05 26 50 20480 -53.7 -72.7 8 19.0 -54.8 330 25 516.9 516.9 316.1 517.2 0.04 27 49 20609 -54.1 -72.1 9 18.0 -55.1 331 25 519.0 519.0 316.2 519.3 0.05 28 35 22770 -52.3 -71.3 8 19.0 -54.0 340 24 576.1 576.1 319.5 576.6 0.07 29 30 23760 -54.5 -73.5 8 19.0 -56.1 345 23 596.1 596.1 320.5 596.5 0.06 30 27 24432 -55.5 -73.5 9 18.0 -57.0 348 27 611.5 611.5 321.2 612.0 0.07 31 20 26360 -51.7 -71.7 7 20.0 -54.5 355 40 677.9 678.0 323.7 678.9 0.12 32 18 27044 -51.3 -70.3 9 19.0 -54.4 699.9 700.0 324.5 701.3 0.16 33 14 28665 -54.5 -73.5 8 19.0 -57.3 741.2 741.3 325.7 742.4 0.13 34 10 30848 -48.9 -68.9 8 20.0 -54.3 837.0 837.2 328.2 840.7 0.36 TRP 403 6760 -43.7 -50.7 46 7.0 -44.0 290 66 297.6 297.6 280.4 297.9 0.09 WND 349 7725 -43.6 -53.1 34 9.5 -44.0 285 83 310.2 310.2 285.5 310.5 0.08 Sounding variables and indices 1000-500 mb thick: 5204.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 40.77 % Est. max temperature: 1.02 C = 33.84 F Sfc-Lift cond lev (LCL): 969.81 mb = 309.18 m = 1014.34 ft T: -2.96 C 700-500 lapse rate: 6.52 C/km ThetaE index: 1.91 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 885.74 mb = 1017.42 m = 3337.96 ft Mean mixing ratio: 2.17 g/kg Conv temperature: 0.80 C = 33.44 F Cap Strength: 10.53 C Lifted Index: 12.62 C Risk: None Lifted Index @300 mb: 31.52 C Lifted Index @700 mb: 7.35 C Showalter Index: 13.27 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.10 C K Index: -10.80 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.23 J/kg Max Up Vert Vel: 2.91 m/s Conv Inhibition (B-): 9.78 J/kg Cap Strength: 12.58 C Lift Cond Lev (LCL): 894.89 mb = 937.97 m = 3077.30 ft Lev Free Conv (LFC): 839.89 mb = 1427.33 m = 4682.78 ft Equ Level (EL): 819.89 mb = 1611.17 m = 5285.94 ft B at Equ Level: 0.83 J/kg Max Parcel Lev (MPL): 809.89 mb = 1705.11 m = 5594.12 ft Wind level data Storm motion: 346 at 26 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 1007 10 315 11 7.8 -7.8 | 184 18 1.3 17.8 1 1000 66 330 15 7.5 -13.0 | 185 13 1.0 12.6 2 925 682 340 29 9.9 -27.3 | 296 4 3.5 -1.7 3 850 1336 340 25 8.6 -23.5 | 225 3 2.1 2.1 4 700 2815 330 33 16.5 -28.6 | 287 10 10.0 -3.0 5 500 5270 295 46 41.7 -19.4 | 260 36 35.2 6.1 6 403 6760 290 66 62.0 -22.6 | 267 56 55.6 3.0 7 400 6810 290 66 62.0 -22.6 | 267 56 55.6 3.0 8 349 7725 285 83 80.2 -21.5 | 267 74 73.7 4.1 9 300 8740 290 77 72.4 -26.3 | 271 66 65.9 -0.8 10 250 9960 290 62 58.3 -21.2 | 265 52 51.8 4.4 11 200 11440 290 54 50.7 -18.5 | 261 45 44.3 7.1 12 150 13340 295 42 38.1 -17.7 | 256 33 31.6 7.8 13 100 16000 310 35 26.8 -22.5 | 261 21 20.3 3.1 14 70 18300 325 25 14.3 -20.5 | 237 9 7.9 5.1 15 50 20480 330 25 12.5 -21.7 | 237 7 6.0 3.9 16 30 23760 345 23 6.0 -22.2 | 171 3 -0.5 3.3 17 20 26360 355 40 3.5 -39.8 | 12 15 -3.0 -14.3 Wind Parameters Mean winds (0-6000m): 315.8 at 35.2 knts Storm direction: 345.8 at 26.4 knts Shear (0-3000m) pos: 3.0 neg: 1.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 21.7 neg: -4.0 tot: 17.7 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 42.10 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 ------------------------------------------------------------------------------- 500 334 19 194 9| 15.9 0.0 15.9| 12.3 0.0 12.3 24.6 0.38| 16.1 6.2 1000 338 23 213 5| 9.1 0.0 9.1| 15.9 -1.3 14.6 14.6 0.39| 11.0 4.3 1500 338 24 220 4| 6.1 0.4 6.5| 16.6 -2.6 14.0 9.3 0.31| 8.3 2.5 2000 338 25 231 4| 4.5 0.7 5.2| 18.9 -2.6 16.3 8.1 0.35| 7.0 2.5 2500 337 26 247 4| 3.6 1.2 4.9| 20.8 -2.6 18.3 7.3 0.35| 6.3 2.2 3000 335 27 260 5| 3.0 1.7 4.7| 21.7 -4.0 17.7 5.9 0.30| 5.9 1.8 4000 331 29 271 8| 2.3 2.5 4.8| 21.7 -19.6 2.1 0.5 0.16| 5.8 0.9 5000 323 32 271 13| 1.8 3.1 4.9| 21.7 -56.5 -34.8 -7.0 0.04| 5.8 0.2 6000 316 35 269 18| 1.5 3.7 5.2| 53.9 -69.0 -15.1 -2.5 0.05| 6.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250419.12.gif