UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 13 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 1020 75 -24.5 -30.5 57 6.0 -25.0 330 7 247.2 247.3 246.9 248.1 0.30 1 1000 219 -26.3 -31.0 65 4.7 -26.6 335 9 246.9 246.9 246.5 247.6 0.29 2 978 380 -27.5 -32.2 64 4.7 -27.8 341 11 247.2 247.3 246.7 247.9 0.26 3 951 582 -27.5 -32.0 65 4.5 -27.8 348 14 249.2 249.2 248.6 250.0 0.27 4 925 784 -24.3 -28.6 68 4.3 -24.7 355 17 254.5 254.5 253.4 255.5 0.39 5 908 917 -22.1 -26.2 69 4.1 -22.6 354 17 258.1 258.2 256.6 259.5 0.50 6 850 1393 -24.1 -27.6 73 3.5 -24.5 350 19 260.9 261.0 258.9 262.2 0.47 7 846 1427 -24.5 -27.9 73 3.4 -24.9 350 19 260.8 260.9 258.8 262.1 0.46 8 829 1576 -22.1 -25.1 77 3.0 -22.5 349 20 264.9 265.0 262.2 266.6 0.60 9 722 2582 -28.9 -32.1 74 3.2 -29.2 342 24 268.1 268.2 264.0 269.2 0.36 10 700 2803 -29.9 -33.5 71 3.6 -30.2 340 25 269.4 269.4 264.8 270.3 0.32 11 629 3566 -31.5 -37.5 55 6.0 -32.0 338 27 275.9 276.0 269.1 276.7 0.24 12 574 4210 -35.9 -42.9 49 7.0 -36.3 337 29 278.1 278.1 270.2 278.6 0.15 13 500 5160 -41.9 -48.9 46 7.0 -42.2 335 31 282.0 282.0 272.5 282.3 0.09 14 453 5820 -45.9 -52.9 45 7.0 -46.1 331 33 285.0 285.0 274.1 285.2 0.06 15 400 6640 -48.7 -55.7 44 7.0 -48.8 325 36 291.7 291.7 277.6 291.9 0.05 16 331 7876 -53.3 -60.3 42 7.0 -53.4 320 36 301.6 301.6 282.1 301.7 0.03 17 300 8510 -53.5 -60.5 42 7.0 -53.7 315 38 309.9 309.9 285.4 310.1 0.04 18 256 9528 -54.5 -61.5 42 7.0 -54.6 315 38 322.8 322.9 289.7 323.0 0.04 19 250 9680 -54.1 -61.1 42 7.0 -54.2 315 38 325.6 325.6 290.5 325.8 0.04 20 214 10676 -52.7 -59.7 42 7.0 -52.9 305 42 342.6 342.6 295.0 342.9 0.06 21 200 11110 -53.7 -61.7 37 8.0 -53.9 300 44 347.7 347.7 296.2 347.9 0.05 22 150 12960 -55.5 -63.5 36 8.0 -55.7 290 46 374.5 374.5 301.4 374.7 0.05 23 100 15510 -59.3 -68.3 30 9.0 -59.5 275 54 413.2 413.2 306.9 413.4 0.04 24 95 15829 -59.3 -68.3 30 9.0 -59.5 274 55 419.3 419.3 307.6 419.5 0.04 25 70 17720 -61.9 -70.9 29 9.0 -62.1 270 58 452.0 452.0 311.1 452.2 0.04 26 65 18177 -63.4 -72.4 28 9.0 -63.6 265 62 458.4 458.4 311.7 458.6 0.03 27 64 18272 -63.7 -72.7 28 9.0 -63.9 459.7 459.7 311.8 459.9 0.03 TRP 331 7876 -53.3 -60.3 42 7.0 -53.4 320 36 301.6 301.6 282.1 301.7 0.03 WND 65 18177 -63.4 -72.4 28 9.0 -63.6 265 62 458.4 458.4 311.7 458.6 0.03 Sounding variables and indices 1000-500 mb thick: 4941.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 62.85 % Est. max temperature: -11.77 C = 10.81 F Sfc-Lift cond lev (LCL): 922.55 mb = 803.05 m = 2634.66 ft T: -23.99 C 700-500 lapse rate: 5.09 C/km ThetaE index: 0.42 C Layer 1000.0- 978.0 mb Conv cond level (CCL): 567.35 mb = 4289.97 m = 14074.53 ft Mean mixing ratio: 0.30 g/kg Conv temperature: 6.84 C = 44.31 F Cap Strength: 24.08 C Lifted Index: 26.34 C Risk: None Lifted Index @300 mb: 42.57 C Lifted Index @700 mb: 17.78 C Showalter Index: 16.26 C Risk: None Total Totals Index: 32.10 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 14.30 C K Index: -13.40 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 4.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.29 J/kg Max Up Vert Vel: 7.91 m/s Conv Inhibition (B-): 38056.97 J/kg Cap Strength: 26.11 C Lift Cond Lev (LCL): 896.82 mb = 1006.72 m = 3302.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 9 at 18 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 1020 75 330 7 3.5 -6.1 | 208 14 6.4 12.1 1 1000 219 335 9 3.8 -8.2 | 214 12 6.7 10.0 2 925 784 355 17 1.5 -16.9 | 255 5 4.4 1.2 3 850 1393 350 19 3.3 -18.7 | 275 6 6.2 -0.6 4 700 2803 340 25 8.6 -23.5 | 295 13 11.5 -5.4 5 500 5160 335 31 13.1 -28.1 | 302 19 16.0 -10.0 6 400 6640 325 36 20.6 -29.5 | 296 26 23.6 -11.4 7 331 7876 320 36 23.1 -27.6 | 290 28 26.1 -9.5 8 300 8510 315 38 26.9 -26.9 | 286 31 29.8 -8.7 9 250 9680 315 38 26.9 -26.9 | 286 31 29.8 -8.7 10 200 11110 300 44 38.1 -22.0 | 275 41 41.0 -3.9 11 150 12960 290 46 43.2 -15.7 | 267 46 46.1 2.4 12 100 15510 275 54 53.8 -4.7 | 257 58 56.7 13.4 13 70 17720 270 58 58.0 -0.0 | 253 64 60.9 18.1 Wind Parameters Mean winds (0-6000m): 339.2 at 24.5 knts Storm direction: 9.2 at 18.4 knts Shear (0-3000m) pos: 2.0 neg: 1.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 88.4 deg Storm rel helicity (0-3000m) pos: 26.3 neg: 0.0 tot: 26.3 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.21 Bulk Shear: 25.87 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 ------------------------------------------------------------------------------- 500 341 11 218 10| 7.9 0.0 7.9| 12.9 0.0 12.9 25.7 0.59| 8.0 4.7 1000 349 14 229 7| 6.1 0.0 6.1| 17.5 0.0 17.5 17.5 0.62| 6.4 4.0 1500 350 15 242 6| 4.0 0.8 4.8| 19.9 0.0 19.9 13.2 0.63| 5.0 3.2 2000 349 17 254 6| 3.0 1.2 4.2| 22.5 0.0 22.5 11.2 0.61| 4.4 2.7 2500 347 18 265 7| 2.4 1.5 3.9| 24.5 0.0 24.5 9.8 0.57| 4.1 2.3 3000 346 19 273 8| 2.0 1.6 3.6| 26.3 0.0 26.3 8.8 0.54| 3.7 2.0 4000 343 21 283 9| 1.5 1.5 3.0| 29.6 0.0 29.6 7.4 0.52| 3.1 1.6 5000 341 23 289 11| 1.2 1.5 2.7| 32.3 0.0 32.3 6.5 0.49| 2.8 1.4 6000 339 24 292 13| 1.0 1.6 2.6| 32.4 -7.5 24.8 4.1 0.37| 2.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260113.12.gif