UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 10 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 1026 72 1.4 -8.6 47 10.0 -1.9 50 1 272.5 272.9 269.9 277.9 1.94 1 1000 278 0.0 -10.0 47 10.0 -3.1 55 3 273.1 273.4 270.0 278.1 1.78 2 925 897 -5.1 -12.1 58 7.0 -7.1 70 3 274.1 274.4 270.4 278.7 1.63 3 850 1555 -11.3 -14.5 77 3.2 -12.1 80 5 274.3 274.6 270.2 278.5 1.46 4 801 2008 -15.7 -16.9 90 1.2 -16.0 83 6 274.3 274.5 269.9 277.9 1.27 5 772 2288 -12.9 -15.0 84 2.1 -13.5 85 7 280.2 280.5 273.9 284.7 1.54 6 700 3029 -17.5 -22.5 65 5.0 -18.4 90 9 283.1 283.3 274.5 285.8 0.90 7 534 4997 -30.3 -50.3 12 20.0 -31.4 82 15 290.6 290.6 277.1 290.8 0.07 8 500 5460 -34.1 -50.1 18 16.0 -34.9 80 17 291.5 291.5 277.5 291.7 0.08 9 400 6980 -44.7 -56.7 25 12.0 -45.0 70 19 296.9 296.9 280.0 297.1 0.04 10 396 7047 -45.5 -56.5 28 11.0 -45.8 69 19 296.7 296.7 280.0 296.9 0.05 11 300 8870 -54.7 -71.7 11 17.0 -54.9 50 25 308.2 308.2 284.7 308.3 0.01 12 286 9174 -56.9 -73.9 10 17.0 -57.1 50 25 309.3 309.3 285.1 309.4 0.01 13 250 10030 -55.3 -73.3 9 18.0 -55.5 40 25 323.9 323.9 289.9 323.9 0.01 14 200 11470 -51.5 -69.5 10 18.0 -51.9 30 21 351.2 351.2 296.9 351.3 0.02 15 150 13330 -53.3 -71.3 9 18.0 -53.7 15 19 378.2 378.2 302.0 378.3 0.02 16 100 15920 -55.9 -73.9 9 18.0 -56.3 360 19 419.7 419.7 307.7 419.8 0.02 17 99 15984 -55.9 -73.9 9 18.0 -56.3 360 19 420.9 420.9 307.8 421.0 0.02 18 70 18170 -58.5 -80.5 4 22.0 -59.0 355 19 459.2 459.2 311.7 459.3 0.01 19 50 20280 -60.3 -82.3 4 22.0 -60.9 350 19 501.4 501.4 315.1 501.4 0.01 20 46 20799 -60.9 -81.9 5 21.0 -61.4 512.0 512.0 315.8 512.1 0.01 21 31 23262 -59.3 -81.3 4 22.0 -60.2 577.5 577.5 319.5 577.7 0.02 TRP 286 9174 -56.9 -73.9 10 17.0 -57.1 50 25 309.3 309.3 285.1 309.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5182.00 m Freezing level: 1000.00 mb = 278.00 m = 912.06 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 52.85 % Est. max temperature: 3.12 C = 37.62 F Sfc-Lift cond lev (LCL): 877.59 mb = 1306.40 m = 4286.03 ft T: -8.96 C 700-500 lapse rate: 6.83 C/km ThetaE index: 0.75 C Layer 850.0- 772.0 mb Conv cond level (CCL): 836.12 mb = 1680.47 m = 5513.28 ft Mean mixing ratio: 1.75 g/kg Conv temperature: 3.19 C = 37.75 F Cap Strength: 10.75 C Lifted Index: 11.14 C Risk: None Lifted Index @300 mb: 21.22 C Lifted Index @700 mb: 6.45 C Showalter Index: 11.06 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 19.60 C K Index: 3.30 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.28 J/kg Max Up Vert Vel: 2.92 m/s Conv Inhibition (B-): 41468.86 J/kg Cap Strength: 11.04 C Lift Cond Lev (LCL): 847.52 mb = 1577.30 m = 5174.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 112 at 7 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 1026 72 50 1 -0.8 -0.6 | 299 7 6.0 -3.4 1 1000 278 55 3 -2.5 -1.7 | 316 6 4.3 -4.4 2 925 897 70 3 -2.8 -1.0 | 313 5 4.0 -3.7 3 850 1555 80 5 -4.9 -0.9 | 333 4 1.9 -3.6 4 700 3029 90 9 -9.0 0.0 | 39 4 -2.2 -2.7 5 500 5460 80 17 -16.7 -3.0 | 60 11 -10.0 -5.7 6 400 6980 70 19 -17.9 -6.5 | 50 14 -11.1 -9.2 7 300 8870 50 25 -19.2 -16.1 | 33 22 -12.4 -18.8 8 286 9174 50 25 -19.2 -16.1 | 33 22 -12.4 -18.8 9 250 10030 40 25 -16.1 -19.2 | 23 24 -9.3 -21.9 10 200 11470 30 21 -10.5 -18.2 | 10 21 -3.7 -20.9 11 150 13330 15 19 -4.9 -18.4 | 355 21 1.9 -21.1 12 100 15920 360 19 -0.0 -19.0 | 343 23 6.8 -21.7 13 70 18170 355 19 1.7 -18.9 | 339 23 8.4 -21.6 14 50 20280 350 19 3.3 -18.7 | 335 24 10.1 -21.4 Wind Parameters Mean winds (0-6000m): 81.8 at 9.7 knts Storm direction: 111.8 at 7.3 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 9.0 neg: -0.3 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 7.38 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 57 3 312 6| 2.1 0.0 2.1| 3.2 -0.1 3.1 6.2 0.77| 2.4 1.9 1000 63 3 313 6| 1.4 0.0 1.4| 3.8 -0.3 3.5 3.5 0.63| 1.7 1.1 1500 69 3 317 5| 1.4 0.0 1.4| 5.2 -0.3 4.9 3.3 0.67| 1.7 1.1 2000 74 4 322 5| 1.4 0.0 1.4| 6.5 -0.3 6.2 3.1 0.72| 1.6 1.2 2500 78 5 328 4| 1.4 0.0 1.4| 7.7 -0.3 7.4 3.0 0.77| 1.6 1.2 3000 81 5 335 4| 1.4 0.0 1.4| 9.0 -0.3 8.6 2.9 0.80| 1.6 1.3 4000 84 7 356 3| 1.1 0.4 1.5| 10.7 -0.3 10.4 2.6 0.69| 1.6 1.1 5000 83 8 20 4| 0.9 0.7 1.6| 11.6 -0.3 11.3 2.3 0.57| 1.6 0.9 6000 82 10 35 5| 0.7 0.8 1.5| 11.7 -3.1 8.6 1.4 0.44| 1.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251010.12.gif