UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 17 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 1043 80 -31.7 -36.1 65 4.4 -31.9 330 1 238.6 238.6 238.5 239.0 0.17 1 1000 381 -26.5 -30.9 66 4.4 -26.8 335 3 246.6 246.7 246.3 247.4 0.29 2 966 632 -22.3 -26.6 68 4.3 -22.8 337 5 253.3 253.4 252.6 254.6 0.45 3 925 951 -20.7 -24.7 70 4.0 -21.2 340 7 258.1 258.2 256.8 259.7 0.56 4 850 1571 -22.1 -26.0 71 3.9 -22.6 350 13 263.0 263.1 260.6 264.5 0.54 5 749 2503 -23.7 -27.4 72 3.7 -24.2 357 14 270.9 271.0 266.4 272.5 0.54 6 700 2997 -26.7 -30.2 72 3.5 -27.1 360 15 272.9 273.0 267.5 274.2 0.44 7 559 4584 -35.3 -38.6 72 3.3 -35.5 7 19 280.9 280.9 272.1 281.7 0.24 8 500 5350 -40.3 -43.9 68 3.6 -40.5 10 21 283.9 283.9 273.7 284.4 0.16 9 461 5900 -43.5 -47.4 65 3.9 -43.6 10 23 286.6 286.6 275.1 287.0 0.11 10 400 6840 -50.7 -54.7 62 4.0 -50.8 10 27 289.1 289.1 276.3 289.3 0.06 11 347 7752 -57.7 -62.0 58 4.3 -57.8 10 27 291.6 291.6 277.5 291.7 0.03 12 300 8660 -62.7 10 27 297.0 13 279 9108 -64.7 5 27 300.3 14 250 9780 -65.3 5 27 309.0 15 200 11130 -65.9 5 27 328.4 16 150 12900 -66.7 355 25 355.2 17 100 15350 -69.7 350 23 393.1 18 93 15782 -69.9 400.9 19 72 17299 -71.7 427.5 TRP 279 9108 -64.7 5 27 300.3 WND Sounding variables and indices 1000-500 mb thick: 4969.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 70.56 % Est. max temperature: -9.85 C = 14.28 F Sfc-Lift cond lev (LCL): 967.57 mb = 620.48 m = 2035.66 ft T: -22.50 C 700-500 lapse rate: 5.78 C/km Conv cond level (CCL): 558.31 mb = 4592.91 m = 15068.41 ft Mean mixing ratio: 0.34 g/kg Conv temperature: 11.18 C = 52.12 F Cap Strength: 27.08 C Lifted Index: 28.70 C Risk: None Lifted Index @300 mb: 34.02 C Lifted Index @700 mb: 21.83 C Showalter Index: 15.99 C Risk: None Total Totals Index: 32.50 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 14.30 C K Index: -11.30 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.22 J/kg Max Up Vert Vel: 11.51 m/s Conv Inhibition (B-): 32460.79 J/kg Cap Strength: 28.66 C Lift Cond Lev (LCL): 932.10 mb = 894.83 m = 2935.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 32 at 11 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 1043 80 330 1 0.5 -0.9 | 217 11 6.4 8.6 1 1000 381 335 3 1.3 -2.7 | 227 10 7.1 6.7 2 925 951 340 7 2.4 -6.6 | 251 9 8.3 2.8 3 850 1571 350 13 2.3 -12.8 | 293 9 8.1 -3.4 4 700 2997 360 15 -0.0 -15.0 | 314 8 5.9 -5.6 5 500 5350 10 21 -3.6 -20.7 | 349 11 2.2 -11.3 6 400 6840 10 27 -4.7 -26.6 | 356 17 1.2 -17.2 7 300 8660 10 27 -4.7 -26.6 | 356 17 1.2 -17.2 8 279 9108 5 27 -2.4 -26.9 | 349 18 3.5 -17.5 9 250 9780 5 27 -2.4 -26.9 | 349 18 3.5 -17.5 10 200 11130 5 27 -2.4 -26.9 | 349 18 3.5 -17.5 11 150 12900 355 25 2.2 -24.9 | 333 17 8.1 -15.5 12 100 15350 350 23 4.0 -22.7 | 323 17 9.9 -13.2 Wind Parameters Mean winds (0-6000m): 2.0 at 14.8 knts Storm direction: 32.0 at 11.1 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 35.7 neg: 0.0 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.21 Bulk Shear: 20.66 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 ------------------------------------------------------------------------------- 500 335 3 225 10| 3.5 0.0 3.5| 8.2 0.0 8.2 16.4 0.92| 3.5 3.2 1000 338 4 235 9| 3.7 0.0 3.7| 17.2 0.0 17.2 17.2 0.95| 3.8 3.6 1500 343 6 247 8| 4.1 0.0 4.1| 28.4 0.0 28.4 19.0 0.97| 4.2 4.1 2000 347 8 259 8| 3.3 0.0 3.3| 30.8 0.0 30.8 15.4 0.97| 3.4 3.3 2500 349 9 268 8| 2.8 0.0 2.8| 33.2 0.0 33.2 13.3 0.97| 3.0 2.9 3000 352 10 276 7| 2.5 0.0 2.5| 35.7 0.0 35.7 11.9 0.97| 2.7 2.6 4000 355 12 289 7| 2.2 0.0 2.2| 41.6 0.0 41.6 10.4 0.96| 2.4 2.3 5000 359 13 303 7| 2.0 0.0 2.0| 48.2 0.0 48.2 9.6 0.94| 2.2 2.1 6000 2 15 315 8| 1.8 0.2 2.0| 53.3 0.0 53.3 8.9 0.87| 2.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260117.12.gif