UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 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 1031 78 1.0 -7.0 55 8.0 -1.7 80 1 271.8 272.1 269.8 277.8 2.19 1 1013 219 2.0 -6.0 55 8.0 -0.9 83 2 274.1 274.5 271.6 280.8 2.41 2 1000 323 1.2 -7.8 51 9.0 -1.9 85 3 274.4 274.7 271.3 280.3 2.12 3 925 940 -4.1 -13.1 50 9.0 -6.7 90 5 275.1 275.4 270.8 279.4 1.50 4 899 1165 -2.5 -13.5 43 11.0 -5.7 93 6 279.0 279.3 273.1 283.4 1.50 5 850 1608 -3.3 -19.3 28 16.0 -7.4 100 7 282.7 282.9 274.3 285.6 0.98 6 754 2556 -4.9 -28.9 13 24.0 -9.9 109 9 290.8 290.9 277.8 292.3 0.47 7 700 3139 -7.7 -29.7 15 22.0 -12.1 115 11 294.0 294.0 279.3 295.5 0.46 8 548 4995 -17.9 -36.9 17 19.0 -20.7 126 15 303.2 303.2 283.1 304.2 0.29 9 500 5670 -23.3 -39.3 22 16.0 -25.2 130 17 304.6 304.7 283.6 305.5 0.25 10 400 7270 -35.3 -49.3 23 14.0 -36.1 125 19 309.1 309.1 285.1 309.5 0.11 11 300 9220 -48.7 -60.7 24 12.0 -49.0 120 23 316.7 316.7 287.7 316.9 0.04 12 292 9396 -50.5 -62.5 23 12.0 -50.7 118 24 316.6 316.6 287.6 316.7 0.03 13 250 10390 -56.9 -68.9 21 12.0 -57.1 105 27 321.5 321.5 289.2 321.5 0.01 14 208 11539 -63.5 -74.5 21 11.0 -63.6 64 27 328.5 328.5 291.3 328.5 0.01 15 200 11780 -64.1 -75.1 21 11.0 -64.2 55 27 331.2 331.3 292.0 331.3 0.01 16 196 11904 -64.3 -75.3 21 11.0 -64.4 52 27 332.9 332.9 292.5 332.9 0.01 17 150 13560 -60.9 -71.9 22 11.0 -61.0 15 25 365.2 365.2 299.7 365.2 0.02 18 139 14033 -60.3 -71.3 22 11.0 -60.4 7 25 374.3 374.3 301.3 374.3 0.02 19 100 16080 -60.9 -72.9 19 12.0 -61.1 330 23 410.1 410.1 306.5 410.2 0.02 20 92 16597 -61.3 -73.3 19 12.0 -61.5 328 23 419.2 419.2 307.6 419.3 0.02 21 70 18290 -61.5 -74.5 16 13.0 -61.8 320 21 452.8 452.8 311.1 452.9 0.02 22 50 20370 -63.3 -76.3 16 13.0 -63.6 310 19 494.3 494.3 314.5 494.5 0.02 23 45 21016 -63.9 -77.9 13 14.0 -64.3 308 19 508.0 508.0 315.5 508.1 0.02 24 30 23510 -62.3 -76.3 14 14.0 -62.9 300 17 574.8 574.8 319.4 575.1 0.04 25 20 26030 -59.7 -74.7 12 15.0 -60.9 295 15 653.4 653.5 322.9 654.0 0.08 26 19 26351 -59.5 -74.5 13 15.0 -60.8 663.7 663.7 323.2 664.4 0.08 TRP 200 11780 -64.1 -75.1 21 11.0 -64.2 55 27 331.2 331.3 292.0 331.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5347.00 m Freezing level: 983.02 mb = 462.70 m = 1518.02 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 25.09 % Est. max temperature: 9.65 C = 49.36 F Sfc-Lift cond lev (LCL): 909.87 mb = 1070.18 m = 3511.05 ft T: -3.17 C 700-500 lapse rate: 6.16 C/km ThetaE index: 1.40 C Layer 1000.0- 899.0 mb Conv cond level (CCL): 580.06 mb = 4564.10 m = 14973.90 ft Mean mixing ratio: 1.97 g/kg Conv temperature: 30.53 C = 86.96 F Cap Strength: 20.34 C Lifted Index: 20.74 C Risk: None Lifted Index @300 mb: 26.16 C Lifted Index @700 mb: 15.07 C Showalter Index: 16.23 C Risk: None Total Totals Index: 24.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 4.00 C K Index: -21.30 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.45 J/kg Max Up Vert Vel: 3.86 m/s Conv Inhibition (B-): 49249.62 J/kg Cap Strength: 20.69 C Lift Cond Lev (LCL): 855.81 mb = 1554.18 m = 5098.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 148 at 8 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 1031 78 80 1 -1.0 -0.2 | 335 8 3.2 -6.9 1 1000 323 85 3 -3.0 -0.3 | 350 7 1.2 -7.0 2 925 940 90 5 -5.0 0.0 | 7 7 -0.8 -6.8 3 850 1608 100 7 -6.9 1.2 | 26 6 -2.7 -5.6 4 700 3139 115 11 -10.0 4.6 | 70 6 -5.8 -2.1 5 500 5670 130 17 -13.0 10.9 | 115 10 -8.8 4.2 6 400 7270 125 19 -15.6 10.9 | 110 12 -11.4 4.1 7 300 9220 120 23 -19.9 11.5 | 107 16 -15.7 4.7 8 250 10390 105 27 -26.1 7.0 | 91 22 -21.9 0.2 9 200 11780 55 27 -22.1 -15.5 | 39 29 -17.9 -22.3 10 150 13560 15 25 -6.5 -24.1 | 4 31 -2.3 -30.9 11 100 16080 330 23 11.5 -19.9 | 330 31 15.7 -26.7 12 70 18290 320 21 13.5 -16.1 | 322 29 17.7 -22.9 13 50 20370 310 19 14.6 -12.2 | 315 27 18.8 -19.0 14 30 23510 300 17 14.7 -8.5 | 309 24 18.9 -15.3 15 20 26030 295 15 13.6 -6.3 | 306 22 17.8 -13.1 Wind Parameters Mean winds (0-6000m): 118.2 at 10.6 knts Storm direction: 148.2 at 8.0 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 18.3 neg: 0.0 tot: 18.3 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.79 Bulk Shear: 9.49 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 85 3 348 7| 2.9 0.0 2.9| 5.3 0.0 5.3 10.6 0.97| 2.9 2.8 1000 88 4 356 7| 2.3 0.0 2.3| 8.2 0.0 8.2 8.2 0.98| 2.3 2.3 1500 92 5 3 7| 2.0 0.0 2.0| 11.0 0.0 11.0 7.3 0.97| 2.1 2.1 2000 96 5 9 6| 1.9 0.0 1.9| 13.4 0.0 13.4 6.7 0.97| 2.0 1.9 2500 99 6 16 6| 1.8 0.0 1.8| 15.8 0.0 15.8 6.3 0.98| 1.9 1.8 3000 103 7 24 6| 1.7 0.0 1.7| 18.3 0.0 18.3 6.1 0.98| 1.8 1.8 4000 109 8 39 5| 1.6 0.0 1.6| 22.6 0.0 22.6 5.7 0.97| 1.7 1.7 5000 114 9 55 5| 1.5 0.0 1.5| 27.5 0.0 27.5 5.5 0.95| 1.7 1.6 6000 118 11 71 5| 1.4 0.1 1.4| 30.9 -0.6 30.2 5.0 0.89| 1.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251017.12.gif