UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 18 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 1041 79 -35.1 -38.3 72 3.2 -35.2 190 1 235.3 235.3 235.3 235.7 0.13 1 1000 363 -28.3 -32.0 70 3.7 -28.6 195 5 244.9 244.9 244.6 245.6 0.26 2 925 931 -20.7 -24.9 69 4.2 -21.2 235 9 258.1 258.2 256.8 259.7 0.55 3 856 1502 -22.3 -26.7 67 4.4 -22.8 253 11 262.3 262.3 260.0 263.7 0.50 4 850 1554 -22.3 -26.7 67 4.4 -22.8 255 11 262.8 262.9 260.4 264.2 0.51 5 813 1880 -22.3 -26.7 67 4.4 -22.8 263 12 266.2 266.2 263.0 267.7 0.53 6 754 2431 -23.1 -27.6 67 4.5 -23.7 277 15 271.1 271.2 266.4 272.6 0.53 7 700 2970 -26.9 -31.5 65 4.6 -27.4 290 17 272.7 272.8 267.3 273.9 0.39 8 500 5330 -40.1 -44.7 61 4.6 -40.3 350 23 284.1 284.2 273.8 284.6 0.14 9 400 6810 -51.5 -56.2 57 4.7 -51.6 5 25 288.1 288.1 275.7 288.2 0.05 10 318 8276 -60.3 9 25 295.4 11 300 8640 -61.5 10 25 298.6 12 275 9176 -63.5 10 25 303.3 13 250 9760 -63.3 5 25 312.0 14 200 11120 -63.1 5 25 332.8 15 189 11471 -62.5 3 25 339.2 16 150 12900 -64.1 355 23 359.7 17 100 15350 -68.5 350 23 395.4 18 91 15915 -68.5 349 22 406.2 19 70 17470 -72.9 345 21 428.4 20 50 19435 -74.7 467.5 TRP 275 9176 -63.5 10 25 303.3 WND Sounding variables and indices 1000-500 mb thick: 4967.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 65.80 % Est. max temperature: -10.02 C = 13.96 F Sfc-Lift cond lev (LCL): 985.24 mb = 471.36 m = 1546.44 ft T: -26.85 C 700-500 lapse rate: 5.59 C/km Conv cond level (CCL): 543.07 mb = 4750.48 m = 15585.38 ft Mean mixing ratio: 0.30 g/kg Conv temperature: 11.47 C = 52.65 F Cap Strength: 23.47 C Lifted Index: 30.60 C Risk: None Lifted Index @300 mb: 36.68 C Lifted Index @700 mb: 23.47 C Showalter Index: 16.42 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 13.40 C K Index: -13.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 69.64 J/kg Max Up Vert Vel: 11.80 m/s Conv Inhibition (B-): 40085.52 J/kg Cap Strength: 30.49 C Lift Cond Lev (LCL): 942.31 mb = 795.94 m = 2611.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 12 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 1041 79 190 1 0.2 1.0 | 165 13 -3.4 12.5 1 1000 363 195 5 1.3 4.8 | 172 16 -2.3 16.3 2 925 931 235 9 7.4 5.2 | 193 17 3.8 16.6 3 850 1554 255 11 10.6 2.8 | 206 16 7.0 14.3 4 700 2970 290 17 16.0 -5.8 | 245 14 12.4 5.7 5 500 5330 350 23 4.0 -22.7 | 358 11 0.4 -11.2 6 400 6810 5 25 -2.2 -24.9 | 23 15 -5.8 -13.4 7 300 8640 10 25 -4.3 -24.6 | 31 15 -8.0 -13.2 8 275 9176 10 25 -4.3 -24.6 | 31 15 -8.0 -13.2 9 250 9760 5 25 -2.2 -24.9 | 23 15 -5.8 -13.4 10 200 11120 5 25 -2.2 -24.9 | 23 15 -5.8 -13.4 11 150 12900 355 23 2.0 -22.9 | 8 12 -1.6 -11.4 12 100 15350 350 23 4.0 -22.7 | 358 11 0.4 -11.2 13 70 17470 345 21 5.4 -20.3 | 348 9 1.8 -8.8 Wind Parameters Mean winds (0-6000m): 312.5 at 16.0 knts Storm direction: 342.5 at 12.0 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 84.2 deg Storm rel helicity (0-3000m) pos: 95.1 neg: 0.0 tot: 95.1 m^2/s^2 ave: 31.7 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.61 Bulk Shear: 43.14 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 ------------------------------------------------------------------------------- 500 200 4 172 16| 5.8 0.0 5.8| 16.4 0.0 16.4 32.8 0.64| 6.3 4.0 1000 221 6 181 16| 4.6 0.0 4.6| 39.2 0.0 39.2 39.2 0.80| 5.8 4.6 1500 234 8 189 16| 3.7 0.0 3.7| 52.9 0.0 52.9 35.2 0.83| 5.0 4.1 2000 244 9 195 16| 3.4 0.0 3.4| 66.6 0.0 66.6 33.3 0.86| 4.6 4.0 2500 254 10 202 15| 3.2 0.0 3.2| 80.9 0.0 80.9 32.3 0.88| 4.4 3.9 3000 263 11 209 15| 3.0 0.0 3.0| 95.1 0.0 95.1 31.7 0.89| 4.4 3.9 4000 279 13 223 13| 2.6 0.0 2.6|119.5 0.0 119.5 29.9 0.90| 4.4 4.0 5000 296 15 242 11| 2.4 0.0 2.4|144.4 0.0 144.4 28.9 0.92| 4.5 4.2 6000 312 16 266 8| 2.1 0.0 2.1|160.5 0.0 160.5 26.7 0.92| 4.3 3.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260118.00.gif