UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 7 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 1003 75 -8.5 -10.8 83 2.3 -9.1 250 3 264.4 264.7 263.9 268.9 1.67 1 1000 98 -8.7 -11.0 83 2.3 -9.3 250 5 264.5 264.7 263.9 268.9 1.65 2 925 696 -12.9 -15.2 83 2.3 -13.4 260 7 266.1 266.3 264.4 269.6 1.27 3 850 1336 -17.3 -19.6 82 2.3 -17.7 260 9 268.0 268.2 265.1 270.7 0.95 4 700 2761 -27.7 -31.3 71 3.6 -28.0 270 15 271.8 271.9 266.7 273.0 0.40 5 516 4879 -44.7 -49.4 59 4.7 -44.9 279 19 276.0 276.1 268.8 276.3 0.08 6 500 5090 -44.7 -49.5 59 4.8 -44.9 280 19 278.5 278.6 270.4 278.8 0.08 7 490 5223 -44.7 -49.6 58 4.9 -44.9 280 20 280.2 280.2 271.4 280.4 0.08 8 400 6540 -53.5 -58.5 54 5.0 -53.6 280 25 285.5 285.5 274.3 285.6 0.04 9 347 7452 -57.3 -62.3 53 5.0 -57.3 285 29 292.2 292.2 277.8 292.2 0.03 10 300 8380 -56.3 -61.3 53 5.0 -56.4 285 33 306.0 306.0 283.8 306.1 0.03 11 250 9540 -55.3 -60.3 54 5.0 -55.4 290 36 323.9 323.9 290.0 324.0 0.05 12 200 10970 -54.5 -60.5 47 6.0 -54.6 295 40 346.5 346.5 295.9 346.7 0.06 13 192 11231 -54.5 -61.5 42 7.0 -54.7 294 41 350.5 350.5 296.8 350.7 0.05 14 150 12800 -56.9 -64.9 36 8.0 -57.1 285 44 372.0 372.1 300.9 372.2 0.04 15 100 15360 -58.5 -69.5 23 11.0 -58.8 275 52 414.7 414.7 307.1 414.9 0.03 16 92 15884 -58.3 -69.3 23 11.0 -58.6 425.1 425.1 308.3 425.3 0.04 17 80 16767 -56.9 -68.9 21 12.0 -57.3 445.3 445.3 310.4 445.6 0.04 TRP 347 7452 -57.3 -62.3 53 5.0 -57.3 285 29 292.2 292.2 277.8 292.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 4992.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 72.37 % Est. max temperature: -4.98 C = 23.04 F Sfc-Lift cond lev (LCL): 966.73 mb = 357.53 m = 1172.97 ft T: -10.52 C 700-500 lapse rate: 7.30 C/km ThetaE index: 0.03 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 901.42 mb = 891.48 m = 2924.76 ft Mean mixing ratio: 1.41 g/kg Conv temperature: -6.21 C = 20.82 F Cap Strength: 5.73 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 25.95 C Lifted Index @700 mb: 3.31 C Showalter Index: 6.61 C Risk: None Total Totals Index: 52.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 25.10 C K Index: 4.20 Risk: None Sweat Index: 107.00 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.21 J/kg Max Up Vert Vel: 3.52 m/s Conv Inhibition (B-): 22314.62 J/kg Cap Strength: 6.67 C Lift Cond Lev (LCL): 918.31 mb = 750.92 m = 2463.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 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 1003 75 250 3 2.8 1.0 | 138 9 -6.3 7.0 1 1000 98 250 5 4.7 1.7 | 150 9 -4.4 7.7 2 925 696 260 7 6.9 1.2 | 163 8 -2.2 7.2 3 850 1336 260 9 8.9 1.6 | 178 8 -0.3 7.6 4 700 2761 270 15 15.0 -0.0 | 224 8 5.9 6.0 5 500 5090 280 19 18.7 -3.3 | 254 10 9.6 2.7 6 400 6540 280 25 24.6 -4.3 | 264 16 15.5 1.7 7 347 7452 285 29 28.0 -7.5 | 275 19 18.9 -1.5 8 300 8380 285 33 31.9 -8.5 | 276 23 22.7 -2.5 9 250 9540 290 36 33.8 -12.3 | 284 25 24.7 -6.3 10 200 10970 295 40 36.3 -16.9 | 292 29 27.1 -10.9 11 150 12800 285 44 42.5 -11.4 | 279 34 33.4 -5.4 12 100 15360 275 52 51.8 -4.5 | 268 43 42.7 1.5 Wind Parameters Mean winds (0-6000m): 273.3 at 14.6 knts Storm direction: 303.3 at 10.9 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 26.7 neg: 0.0 tot: 26.7 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 11.59 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 ------------------------------------------------------------------------------- 500 254 6 154 8| 3.8 0.0 3.8| 7.8 0.0 7.8 15.6 0.89| 3.9 3.5 1000 258 7 160 8| 2.7 0.0 2.7| 10.9 0.0 10.9 10.9 0.91| 2.8 2.5 1500 259 7 166 8| 2.4 0.0 2.4| 14.6 0.0 14.6 9.7 0.93| 2.5 2.3 2000 260 8 173 7| 2.4 0.0 2.4| 19.0 0.0 19.0 9.5 0.95| 2.4 2.3 2500 263 9 181 7| 2.3 0.0 2.3| 23.5 0.0 23.5 9.4 0.95| 2.4 2.3 3000 265 10 189 7| 2.2 0.0 2.2| 26.7 0.0 26.7 8.9 0.95| 2.3 2.2 4000 268 12 202 7| 1.9 0.0 1.9| 31.4 0.0 31.4 7.9 0.95| 2.0 1.9 5000 271 13 215 7| 1.7 0.0 1.7| 36.5 0.0 36.5 7.3 0.95| 1.8 1.7 6000 273 15 226 7| 1.6 0.2 1.8| 41.3 0.0 41.3 6.9 0.84| 1.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260107.12.gif