UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 13 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 1025 75 -11.9 -16.6 68 4.7 -12.8 40 1 259.4 259.6 258.8 262.2 1.02 1 1000 265 -8.7 -13.7 67 5.0 -9.9 50 3 264.5 264.7 263.3 268.1 1.32 2 983 399 -6.3 -12.3 62 6.0 -7.9 52 3 268.2 268.4 266.3 272.3 1.51 3 925 872 -9.3 -16.3 57 7.0 -10.9 60 5 269.8 270.0 266.7 273.1 1.16 4 909 1006 -10.7 -18.7 52 8.0 -12.4 60 6 269.7 269.9 266.3 272.4 0.96 5 869 1352 -8.5 -17.5 48 9.0 -10.6 60 8 275.5 275.7 270.4 278.7 1.11 6 850 1523 -8.7 -18.7 44 10.0 -11.0 60 9 277.0 277.2 271.1 280.0 1.03 7 700 3000 -13.9 -40.9 8 27.0 -17.2 55 17 287.1 287.1 275.4 287.6 0.15 8 692 3088 -14.5 -41.5 8 27.0 -17.7 54 17 287.4 287.4 275.5 287.9 0.15 9 668 3357 -14.5 -46.5 5 32.0 -18.0 52 19 290.3 290.3 276.9 290.6 0.09 10 500 5500 -29.1 30 29 297.6 11 492 5615 -30.3 30 30 297.5 12 424 6659 -35.9 34 34 303.2 13 400 7060 -39.9 35 36 303.1 14 348 7994 -47.7 30 40 304.9 15 300 8960 -53.3 25 44 310.2 16 250 10120 -57.7 20 44 320.3 17 200 11530 -57.1 15 38 342.3 18 186 11989 -56.7 9 36 350.2 19 150 13350 -57.1 350 29 371.7 20 100 15910 -58.3 335 21 415.1 21 98 16038 -58.3 335 21 417.5 22 70 18160 -58.7 330 19 458.8 23 53 19902 -60.1 493.6 TRP 250 10120 -57.7 20 44 320.3 WND Sounding variables and indices 1000-500 mb thick: 5235.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 37.44 % Est. max temperature: 3.40 C = 38.12 F Sfc-Lift cond lev (LCL): 950.03 mb = 664.14 m = 2178.91 ft T: -7.98 C 700-500 lapse rate: 6.08 C/km ThetaE index: 0.61 C Layer 909.0- 869.0 mb Conv cond level (CCL): 599.34 mb = 4159.13 m = 13645.29 ft Mean mixing ratio: 1.31 g/kg Conv temperature: 22.03 C = 71.66 F Cap Strength: 18.61 C Lifted Index: 22.41 C Risk: None Lifted Index @300 mb: 28.18 C Lifted Index @700 mb: 16.20 C Showalter Index: 14.77 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 10.40 C K Index: -25.30 Risk: None Sweat Index: 47.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.61 J/kg Max Up Vert Vel: 8.67 m/s Conv Inhibition (B-): 35940.64 J/kg Cap Strength: 22.28 C Lift Cond Lev (LCL): 886.53 mb = 1198.57 m = 3932.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 72 at 13 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 1025 75 40 1 -0.6 -0.8 | 255 12 11.5 3.1 1 1000 265 50 3 -2.3 -1.9 | 259 10 9.9 1.9 2 925 872 60 5 -4.3 -2.5 | 260 8 7.8 1.4 3 850 1523 60 9 -7.8 -4.5 | 278 4 4.4 -0.6 4 700 3000 55 17 -13.9 -9.8 | 17 6 -1.7 -5.9 5 500 5500 30 29 -14.5 -25.1 | 6 21 -2.3 -21.2 6 400 7060 35 36 -20.6 -29.5 | 18 27 -8.5 -25.6 7 300 8960 25 44 -18.6 -39.9 | 10 37 -6.4 -36.0 8 250 10120 20 44 -15.0 -41.3 | 4 38 -2.9 -37.5 9 200 11530 15 38 -9.8 -36.7 | 356 33 2.3 -32.8 10 150 13350 350 29 5.0 -28.6 | 325 30 17.2 -24.7 11 100 15910 335 21 8.9 -19.0 | 306 26 21.1 -15.2 12 70 18160 330 19 9.5 -16.5 | 300 25 21.7 -12.6 Wind Parameters Mean winds (0-6000m): 42.4 at 17.0 knts Storm direction: 72.4 at 12.8 knts Shear (0-3000m) pos: 0.9 neg: 1.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 122.0 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -0.0 tot: 12.4 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.42 Bulk Shear: 26.52 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 51 3 258 10| 3.2 0.0 3.2| 2.7 0.0 2.7 5.4 0.31| 3.2 1.0 1000 56 4 259 9| 2.7 0.0 2.7| 3.7 -0.0 3.7 3.7 0.27| 2.8 0.7 1500 58 5 262 8| 1.8 1.0 2.9| 5.9 -0.0 5.9 3.9 0.36| 2.9 1.0 2000 58 7 266 7| 1.4 1.5 2.8| 8.2 -0.0 8.2 4.1 0.49| 2.9 1.4 2500 58 8 274 5| 1.1 1.7 2.8| 10.4 -0.0 10.4 4.2 0.57| 2.9 1.6 3000 57 9 285 5| 0.9 1.9 2.8| 12.4 -0.0 12.4 4.1 0.56| 2.9 1.6 4000 54 12 319 4| 0.7 2.1 2.8| 12.5 -1.2 11.3 2.8 0.40| 2.9 1.2 5000 48 14 346 6| 0.5 2.2 2.8| 12.5 -8.2 4.3 0.9 0.25| 3.0 0.8 6000 42 17 355 9| 0.7 2.1 2.7| 23.2 -13.3 9.9 1.6 0.24| 3.0 0.7 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251013.00.gif