UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011100.upa.cvt Date: 0000Z 11 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 11 JAN 26 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 1013 76 -26.9 -30.2 74 3.3 -27.2 310 5 245.3 245.4 245.2 246.2 0.31 1 1000 169 -25.3 -28.6 74 3.3 -25.6 310 5 247.9 247.9 247.6 248.8 0.36 2 925 746 -15.3 -19.4 71 4.1 -16.0 315 15 263.7 263.8 261.8 266.1 0.89 3 916 820 -14.5 -18.6 71 4.1 -15.3 316 16 265.2 265.4 263.2 267.9 0.96 4 868 1226 -17.3 -20.1 79 2.8 -17.8 319 24 266.4 266.6 263.9 268.9 0.89 5 850 1383 -16.3 -19.1 79 2.8 -16.9 320 27 269.1 269.2 265.9 271.9 0.99 6 837 1499 -15.7 -18.3 80 2.6 -16.2 320 28 270.9 271.1 267.3 274.0 1.08 7 783 1998 -19.7 -22.5 78 2.8 -20.1 320 32 271.8 271.9 267.4 274.1 0.80 8 715 2669 -22.5 -24.9 81 2.4 -22.8 320 37 275.9 276.0 269.9 278.0 0.71 9 700 2825 -20.9 -23.6 79 2.7 -21.4 320 38 279.3 279.5 272.2 281.8 0.81 10 684 2996 -20.3 -23.0 79 2.7 -20.8 319 39 281.9 282.0 273.8 284.5 0.88 11 596 4002 -25.3 315 46 287.4 12 500 5250 -34.7 310 54 290.7 13 400 6790 -42.1 310 58 300.3 14 388 6996 -42.9 309 59 301.9 15 351 7665 -47.9 308 62 303.9 16 300 8690 -53.3 305 66 310.2 17 250 9850 -59.5 305 69 317.6 18 237 10182 -61.5 304 70 319.5 19 200 11230 -62.7 300 75 333.5 20 198 11292 -62.9 300 77 334.1 21 193 11449 -63.5 335.6 TRP WND 198 11292 -62.9 300 77 334.1 Sounding variables and indices 1000-500 mb thick: 5081.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 76.98 % Est. max temperature: -5.01 C = 22.98 F Sfc-Lift cond lev (LCL): 958.36 mb = 483.77 m = 1587.14 ft T: -19.84 C 700-500 lapse rate: 5.69 C/km Conv cond level (CCL): 1000.00 mb = 169.00 m = 554.46 ft Mean mixing ratio: 0.63 g/kg Conv temperature: -21.58 C = -6.85 F Cap Strength: 25.98 C Lifted Index: 27.33 C Risk: None Lifted Index @300 mb: 37.38 C Lifted Index @700 mb: 20.15 C Showalter Index: 15.67 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 15.60 C K Index: -3.40 Risk: None Sweat Index: 108.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.43 J/kg Max Up Vert Vel: 8.42 m/s Conv Inhibition (B-): 13211.37 J/kg Cap Strength: 27.20 C Lift Cond Lev (LCL): 919.86 mb = 788.17 m = 2585.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 at 28 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 1013 76 310 5 3.8 -3.2 | 171 24 -3.6 23.8 1 1000 169 310 5 3.8 -3.2 | 171 24 -3.6 23.8 2 925 746 315 15 10.6 -10.6 | 191 17 3.2 16.5 3 850 1383 320 27 17.4 -20.7 | 237 12 10.0 6.4 4 700 2825 320 38 24.4 -29.1 | 277 17 17.0 -2.0 5 500 5250 310 54 41.4 -34.7 | 283 35 34.0 -7.6 6 400 6790 310 58 44.4 -37.3 | 285 38 37.0 -10.2 7 300 8690 305 66 54.1 -37.9 | 283 48 46.7 -10.8 8 250 9850 305 69 56.5 -39.6 | 284 51 49.1 -12.5 9 200 11230 300 75 65.0 -37.5 | 280 58 57.6 -10.4 Wind Parameters Mean winds (0-6000m): 314.7 at 37.4 knts Storm direction: 344.7 at 28.1 knts Shear (0-3000m) pos: 4.0 neg: 1.9 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 112.5 neg: 0.0 tot: 112.5 m^2/s^2 ave: 37.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.31 Bulk Shear: 115.68 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 ------------------------------------------------------------------------------- 500 312 8 176 22| 7.3 0.0 7.3| 26.4 0.0 26.4 52.8 0.66| 7.3 4.8 1000 315 12 184 19| 8.4 0.0 8.4| 57.1 0.0 57.1 57.1 0.74| 8.4 6.2 1500 317 16 194 15| 8.1 0.0 8.1| 80.1 0.0 80.1 53.4 0.81| 8.1 6.6 2000 318 20 205 14| 6.1 1.0 7.0| 92.0 0.0 92.0 46.0 0.83| 7.1 5.8 2500 319 23 218 12| 4.8 1.6 6.4|103.8 0.0 103.8 41.5 0.82| 6.4 5.3 3000 319 25 229 12| 4.0 1.9 6.0|112.5 0.0 112.5 37.5 0.79| 6.0 4.7 4000 318 30 248 13| 3.0 2.3 5.4|120.4 0.0 120.4 30.1 0.69| 5.4 3.7 5000 316 34 261 16| 2.4 2.6 5.0|122.3 -0.3 121.9 24.4 0.59| 5.1 3.0 6000 315 37 268 19| 2.0 2.4 4.5|131.1 -0.6 130.4 21.7 0.57| 4.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260111.00.gif