UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 17 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1034 77 -11.5 -13.4 86 1.9 -11.9 0 0 259.2 259.4 259.2 262.7 1.31 1 1000 336 -5.7 -11.7 63 6.0 -7.3 105 3 267.5 267.7 265.8 271.7 1.56 2 971 569 -1.5 -13.5 39 12.0 -4.9 105 5 273.9 274.2 269.8 277.9 1.39 3 925 955 -1.5 -20.5 22 19.0 -6.1 105 9 277.8 277.9 271.2 280.2 0.81 4 910 1084 -1.5 -24.5 15 23.0 -6.7 103 11 279.1 279.2 271.6 280.8 0.58 5 863 1500 -4.3 -20.3 27 16.0 -8.2 97 17 280.4 280.6 272.9 283.1 0.88 6 850 1619 -4.3 -20.3 27 16.0 -8.2 95 19 281.6 281.8 273.6 284.3 0.89 7 840 1712 -4.7 -18.7 33 14.0 -8.3 94 19 282.2 282.4 274.2 285.3 1.04 8 760 2496 -7.3 -29.3 15 22.0 -11.6 86 24 287.6 287.6 276.1 289.0 0.44 9 700 3134 -10.3 -36.3 10 26.0 -14.4 80 27 291.1 291.1 277.6 291.9 0.24 10 688 3266 -11.3 -37.3 10 26.0 -15.2 80 27 291.4 291.4 277.7 292.2 0.23 11 602 4273 -17.9 -27.9 41 10.0 -19.7 82 31 295.1 295.2 280.1 297.2 0.64 12 589 4435 -17.1 -28.1 38 11.0 -19.1 83 31 297.9 298.0 281.3 300.0 0.64 13 538 5106 -21.5 -39.5 18 18.0 -23.7 84 33 300.5 300.5 281.8 301.3 0.23 14 500 5640 -24.9 -41.9 19 17.0 -26.6 85 35 302.7 302.7 282.7 303.4 0.19 15 441 6549 -30.5 -43.5 27 13.0 -31.6 88 37 306.7 306.7 284.3 307.3 0.18 16 400 7240 -35.9 -47.9 28 12.0 -36.7 90 38 308.3 308.4 284.9 308.8 0.13 17 300 9180 -49.5 -60.5 26 11.0 -49.8 80 38 315.6 315.6 287.3 315.7 0.04 18 250 10350 -56.9 -67.9 24 11.0 -57.1 70 38 321.5 321.5 289.2 321.5 0.02 19 200 11740 -63.5 -74.5 21 11.0 -63.6 30 35 332.2 332.2 292.3 332.2 0.01 20 150 13520 -60.3 -71.3 22 11.0 -60.4 360 33 366.2 366.2 299.9 366.3 0.02 21 128 14511 -58.7 -69.7 23 11.0 -58.9 348 31 386.1 386.1 303.2 386.2 0.02 22 100 16050 -61.1 -72.1 22 11.0 -61.3 330 29 409.7 409.7 306.5 409.8 0.02 23 99 16112 -61.1 -72.1 22 11.0 -61.3 330 29 410.9 410.9 306.6 411.0 0.02 24 70 18260 -62.5 -74.5 18 12.0 -62.7 320 27 450.7 450.7 310.9 450.8 0.02 25 50 20320 -64.1 -76.1 18 12.0 -64.4 310 27 492.4 492.4 314.4 492.6 0.02 26 47 20699 -64.5 -76.5 18 12.0 -64.8 309 27 500.3 500.3 314.9 500.4 0.02 27 30 23460 -62.7 -75.7 16 13.0 -63.3 305 25 573.7 573.7 319.3 574.0 0.04 28 25 24585 -62.1 -75.1 16 13.0 -62.8 606.1 606.2 320.9 606.6 0.06 TRP 200 11740 -63.5 -74.5 21 11.0 -63.6 30 35 332.2 332.2 292.3 332.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5304.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 26.77 % Est. max temperature: 9.35 C = 48.84 F Sfc-Lift cond lev (LCL): 1002.75 mb = 314.72 m = 1032.52 ft T: -6.18 C 700-500 lapse rate: 5.83 C/km ThetaE index: 0.00 C Layer 1034.0--8390752015546130719055026944212992.0 mb Conv cond level (CCL): 545.67 mb = 5001.06 m = 16407.47 ft Mean mixing ratio: 1.33 g/kg Conv temperature: 29.80 C = 85.64 F Cap Strength: 22.66 C Lifted Index: 23.89 C Risk: None Lifted Index @300 mb: 29.58 C Lifted Index @700 mb: 17.10 C Showalter Index: 15.63 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 4.60 C K Index: -25.70 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.65 J/kg Max Up Vert Vel: 11.46 m/s Conv Inhibition (B-): 51331.43 J/kg Cap Strength: 23.69 C Lift Cond Lev (LCL): 846.12 mb = 1655.06 m = 5429.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 at 18 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 1034 77 0 0 -0.0 -0.0 | 296 18 16.1 -7.7 1 1000 336 105 3 -2.9 0.8 | 298 15 13.2 -6.9 2 925 955 105 9 -8.7 2.3 | 306 9 7.4 -5.3 3 850 1619 95 19 -18.9 1.7 | 25 7 -2.9 -6.0 4 700 3134 80 27 -26.6 -4.7 | 40 16 -10.5 -12.4 5 500 5640 85 35 -34.9 -3.1 | 60 22 -18.8 -10.7 6 400 7240 90 38 -38.0 0.0 | 71 23 -21.9 -7.7 7 300 9180 80 38 -37.4 -6.6 | 56 26 -21.4 -14.3 8 250 10350 70 38 -35.7 -13.0 | 44 29 -19.6 -20.7 9 200 11740 30 35 -17.5 -30.3 | 2 38 -1.4 -38.0 10 150 13520 360 33 -0.0 -33.0 | 338 44 16.1 -40.7 11 100 16050 330 29 14.5 -25.1 | 317 45 30.6 -32.8 12 70 18260 320 27 17.4 -20.7 | 310 44 33.4 -28.4 13 50 20320 310 27 20.7 -17.4 | 304 44 36.8 -25.0 14 30 23460 305 25 20.5 -14.3 | 301 43 36.6 -22.0 Wind Parameters Mean winds (0-6000m): 85.5 at 23.7 knts Storm direction: 115.5 at 17.8 knts Shear (0-3000m) pos: 0.9 neg: 3.8 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 104.9 deg Storm rel helicity (0-3000m) pos: 31.3 neg: -2.4 tot: 28.9 m^2/s^2 ave: 9.6 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.11 Bulk Shear: 59.29 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 ------------------------------------------------------------------------------- 500 105 3 297 15| 5.5 0.0 5.5| 8.3 -2.4 5.9 11.8 0.21| 6.5 1.3 1000 105 5 300 13| 2.7 2.8 5.6| 13.8 -2.4 11.4 11.4 0.29| 6.1 1.8 1500 101 8 308 10| 1.8 4.5 6.3| 24.8 -2.4 22.4 14.9 0.53| 6.7 3.6 2000 97 11 322 8| 1.4 4.2 5.6| 28.5 -2.4 26.1 13.1 0.53| 6.0 3.2 2500 94 14 339 7| 1.1 3.9 5.0| 30.6 -2.4 28.2 11.3 0.50| 5.4 2.7 3000 90 16 356 8| 0.9 3.8 4.7| 31.3 -2.4 28.9 9.6 0.45| 5.1 2.3 4000 87 19 17 9| 1.1 2.8 3.9| 42.7 -2.4 40.3 10.1 0.47| 4.3 2.0 5000 86 21 30 11| 1.2 2.3 3.5| 55.7 -2.4 53.3 10.7 0.50| 3.8 1.9 6000 86 24 39 12| 1.3 1.9 3.2| 69.8 -2.4 67.4 11.2 0.52| 3.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251017.00.gif