UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 17 APR 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1017 28 -15.5 -18.1 80 2.6 -15.9 340 9 256.4 256.6 256.1 258.8 0.90 1 1000 155 -15.5 -19.4 72 3.9 -16.2 20 9 257.6 257.8 257.0 259.9 0.82 2 952 526 -16.9 -20.0 77 3.1 -17.4 23 15 259.9 260.0 258.8 262.1 0.82 3 940 621 -13.9 -16.8 79 2.9 -14.5 24 17 263.9 264.1 262.4 266.9 1.09 4 925 744 -12.7 -15.5 80 2.8 -13.3 25 19 266.3 266.5 264.4 269.7 1.23 5 903 927 -12.3 -16.7 70 4.4 -13.3 24 19 268.6 268.8 265.8 271.8 1.14 6 850 1387 -13.9 -21.9 51 8.0 -15.4 20 19 271.6 271.7 267.3 273.8 0.78 7 794 1903 -15.7 -20.7 65 5.0 -16.7 13 17 275.0 275.2 269.7 277.7 0.93 8 763 2203 -17.5 -22.5 65 5.0 -18.4 9 16 276.2 276.4 270.3 278.6 0.82 9 700 2843 -21.9 -26.9 64 5.0 -22.6 360 13 278.2 278.3 271.2 280.1 0.60 10 552 4551 -33.5 -38.5 61 5.0 -33.8 360 16 284.0 284.1 273.9 284.8 0.25 11 532 4809 -34.1 -40.1 55 6.0 -34.5 360 16 286.3 286.4 275.1 287.1 0.22 12 500 5240 -38.1 -44.1 53 6.0 -38.4 360 17 286.6 286.6 275.2 287.1 0.15 13 494 5323 -39.1 -45.1 53 6.0 -39.4 1 17 286.4 286.4 275.0 286.8 0.14 14 400 6740 -49.1 -57.1 39 8.0 -49.3 20 15 291.2 291.2 277.3 291.3 0.04 15 368 7283 -52.1 -60.1 38 8.0 -52.2 10 21 294.2 294.2 278.8 294.3 0.03 16 300 8610 -50.3 -59.3 34 9.0 -50.5 15 19 314.5 314.5 286.9 314.6 0.04 17 250 9800 -49.1 -60.1 27 11.0 -49.4 10 21 333.1 333.1 292.6 333.3 0.05 18 221 10615 -45.3 -59.3 19 14.0 -45.9 10 19 350.9 350.9 296.9 351.1 0.06 19 200 11280 -45.9 -60.9 17 15.0 -46.5 10 17 360.1 360.1 298.8 360.3 0.05 20 172 12286 -46.1 -63.1 13 17.0 -46.9 10 18 375.6 375.6 301.6 375.8 0.05 21 150 13200 -45.1 -64.1 10 19.0 -46.0 10 19 392.3 392.4 304.2 392.6 0.05 22 115 14959 -48.5 -68.5 8 20.0 -49.4 7 20 417.0 417.0 307.4 417.2 0.03 23 100 15880 -47.1 -68.1 7 21.0 -48.3 5 21 436.7 436.7 309.6 436.9 0.04 24 89 16652 -46.5 -68.5 6 22.0 -47.9 3 22 452.7 452.7 311.1 453.0 0.04 25 72 18054 -48.3 -69.3 7 21.0 -49.7 0 25 477.2 477.2 313.2 477.5 0.05 26 70 18240 -45.9 -68.9 6 23.0 -47.7 360 25 486.2 486.2 314.0 486.5 0.05 27 50 20470 -48.1 -70.1 6 22.0 -50.0 10 21 530.1 530.1 316.9 530.5 0.06 28 43 21459 -49.3 -73.3 4 24.0 -51.3 9 24 550.5 550.5 318.1 550.8 0.04 29 30 23810 -50.1 -74.1 4 24.0 -52.5 5 31 608.1 608.1 321.0 608.5 0.06 30 27 24497 -52.7 -75.7 5 23.0 -54.8 5 34 619.4 619.4 321.5 619.7 0.05 31 20 26440 -52.7 -75.7 5 23.0 -55.4 5 42 674.9 674.9 323.6 675.4 0.07 32 17 27490 -52.3 -75.3 5 23.0 -55.4 708.3 708.3 324.7 709.0 0.08 33 14 28752 -50.3 -74.3 4 24.0 -54.5 755.5 755.5 326.1 756.6 0.12 TRP 368 7283 -52.1 -60.1 38 8.0 -52.2 10 21 294.2 294.2 278.8 294.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5085.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 63.40 % Est. max temperature: -1.25 C = 29.76 F Sfc-Lift cond lev (LCL): 974.86 mb = 346.81 m = 1137.83 ft T: -16.22 C 700-500 lapse rate: 6.76 C/km Conv cond level (CCL): 696.53 mb = 2878.71 m = 9444.48 ft Mean mixing ratio: 0.93 g/kg Conv temperature: 6.55 C = 43.80 F Cap Strength: 19.55 C Lifted Index: 19.36 C Risk: None Lifted Index @300 mb: 36.43 C Lifted Index @700 mb: 14.35 C Showalter Index: 10.69 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 16.20 C K Index: -2.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.62 J/kg Max Up Vert Vel: 9.12 m/s Conv Inhibition (B-): 72355.94 J/kg Cap Strength: 19.52 C Lift Cond Lev (LCL): 917.43 mb = 806.55 m = 2646.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 38 at 12 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 1017 28 340 9 3.1 -8.5 | 266 10 10.4 0.7 1 1000 155 20 9 -3.1 -8.5 | 260 4 4.2 0.7 2 925 744 25 19 -8.0 -17.2 | 5 8 -0.8 -8.0 3 850 1387 20 19 -6.5 -17.9 | 355 9 0.8 -8.7 4 700 2843 360 13 -0.0 -13.0 | 298 8 7.3 -3.8 5 500 5240 360 17 -0.0 -17.0 | 317 11 7.3 -7.8 6 400 6740 20 15 -5.1 -14.1 | 336 5 2.1 -4.9 7 368 7283 10 21 -3.6 -20.7 | 342 12 3.6 -11.5 8 300 8610 15 19 -4.9 -18.4 | 346 9 2.4 -9.2 9 250 9800 10 21 -3.6 -20.7 | 342 12 3.6 -11.5 10 200 11280 10 17 -3.0 -16.7 | 330 9 4.3 -7.6 11 150 13200 10 19 -3.3 -18.7 | 337 10 4.0 -9.5 12 100 15880 5 21 -1.8 -20.9 | 335 13 5.4 -11.7 13 70 18240 360 25 -0.0 -25.0 | 335 17 7.3 -15.8 14 50 20470 10 21 -3.6 -20.7 | 342 12 3.6 -11.5 15 30 23810 5 31 -2.7 -30.9 | 348 22 4.6 -21.7 16 20 26440 5 42 -3.7 -41.8 | 354 33 3.6 -32.7 Wind Parameters Mean winds (0-6000m): 8.4 at 15.6 knts Storm direction: 38.4 at 11.7 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 33.5 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -20.4 tot: -10.9 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.06 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 13.63 Bulk Shear: 3.05 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 18 11 293 4| 11.0 0.0 11.0| 5.7 0.0 5.7 11.4 0.46| 12.4 5.7 1000 22 15 338 5| 5.5 1.9 7.4| 9.1 -1.2 7.9 7.9 0.43| 8.4 3.6 1500 21 16 347 6| 3.7 1.2 4.9| 9.1 -5.0 4.1 2.8 0.30| 6.2 1.8 2000 20 16 345 7| 2.8 0.9 3.6| 9.1 -11.2 -2.1 -1.1 0.12| 5.4 0.6 2500 18 16 340 7| 2.2 1.0 3.2| 9.1 -17.0 -7.9 -3.2 -0.01| 4.9 -0.1 3000 16 16 334 7| 1.8 1.0 2.9| 9.5 -20.4 -10.9 -3.6 -0.06| 4.4 -0.3 4000 12 15 325 7| 1.4 0.8 2.2| 12.7 -20.4 -7.7 -1.9 -0.01| 3.5 -0.0 5000 9 15 322 8| 1.1 0.7 1.8| 15.9 -20.4 -4.4 -0.9 0.03| 3.0 0.1 6000 8 16 321 8| 1.1 0.6 1.7| 20.2 -20.4 -0.2 -0.0 0.08| 2.8 0.2 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250417.00.gif