UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 27 OCT 25 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 1002 74 2.8 -1.3 74 4.1 1.1 300 1 275.8 276.4 274.2 285.3 3.46 1 1000 90 3.0 -1.0 75 4.0 1.4 305 3 276.1 276.7 274.5 285.9 3.55 2 925 716 -1.7 -5.0 78 3.3 -2.9 310 13 277.6 278.1 274.3 285.5 2.84 3 850 1381 -7.5 -9.8 84 2.3 -8.2 315 21 278.3 278.7 273.6 284.3 2.13 4 811 1744 -10.3 -12.2 86 1.9 -10.8 316 25 279.1 279.4 273.6 284.4 1.85 5 739 2457 -12.5 -18.5 61 6.0 -13.9 319 32 284.2 284.4 275.5 287.8 1.20 6 700 2868 -15.3 -23.3 50 8.0 -16.9 320 36 285.5 285.7 275.7 288.1 0.84 7 644 3495 -18.9 -30.9 34 12.0 -20.7 320 41 288.3 288.4 276.6 289.8 0.45 8 500 5350 -27.9 -43.9 20 16.0 -29.3 320 56 299.0 299.1 281.1 299.6 0.16 9 400 6920 -36.5 -51.5 20 15.0 -37.3 310 68 307.6 307.6 284.5 307.9 0.08 10 396 6990 -37.1 -52.1 20 15.0 -37.9 310 69 307.7 307.7 284.5 307.9 0.08 11 328 8275 -45.3 -59.3 19 14.0 -45.7 303 80 313.4 313.4 286.6 313.6 0.04 12 300 8870 -47.5 -61.5 19 14.0 -47.9 300 85 318.4 318.4 288.3 318.5 0.03 13 252 10008 -50.6 -64.6 18 14.0 -50.8 300 97 330.1 330.2 291.8 330.3 0.03 14 250 10060 -50.7 -64.7 17 14.0 -51.0 300 93 330.7 330.7 291.9 330.8 0.03 15 200 11500 -54.7 -68.7 16 14.0 -54.9 305 79 346.1 346.1 295.8 346.2 0.02 16 186 11964 -55.9 -69.9 16 14.0 -56.1 305 77 351.5 351.5 297.0 351.5 0.02 17 167 12654 -54.9 -68.9 16 14.0 -55.2 302 70 364.1 364.1 299.5 364.2 0.02 18 150 13340 -55.9 -70.9 14 15.0 -56.2 300 64 373.8 373.8 301.2 373.8 0.02 19 130 14250 -55.3 -70.3 14 15.0 -55.6 300 59 390.5 390.5 303.9 390.6 0.02 20 100 15900 -60.9 -76.9 10 16.0 -61.2 300 50 410.1 410.1 306.5 410.1 0.01 21 98 16026 -60.7 -76.7 10 16.0 -61.0 300 49 412.8 412.8 306.9 412.9 0.01 22 88 16696 -63.1 -79.1 10 16.0 -63.3 298 45 420.9 420.9 307.8 421.0 0.01 23 71 18031 -60.1 -76.1 11 16.0 -60.4 295 36 454.0 454.0 311.3 454.1 0.02 24 70 18120 -60.5 -76.5 10 16.0 -60.9 295 35 455.0 455.0 311.3 455.0 0.02 25 50 20210 -62.3 -78.3 10 16.0 -62.7 290 36 496.7 496.7 314.7 496.8 0.02 26 30 23370 -63.7 -79.7 10 16.0 -64.3 290 44 571.0 571.0 319.2 571.1 0.02 27 27 24016 -63.9 -79.9 10 16.0 -64.5 587.9 587.9 320.0 588.1 0.03 TRP 186 11964 -55.9 -69.9 16 14.0 -56.1 305 77 351.5 351.5 297.0 351.5 0.02 WND 252 10008 -50.6 -64.6 18 14.0 -50.8 300 97 330.1 330.2 291.8 330.3 0.03 Sounding variables and indices 1000-500 mb thick: 5260.00 m Freezing level: 952.13 mb = 489.57 m = 1606.20 ft Wetbulb zero: 976.02 mb = 284.87 m = 934.61 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 53.41 % Est. max temperature: 5.28 C = 41.50 F Sfc-Lift cond lev (LCL): 940.28 mb = 584.46 m = 1917.50 ft T: -0.71 C 700-500 lapse rate: 5.08 C/km ThetaE index: 1.55 C Layer 925.0- 811.0 mb Conv cond level (CCL): 888.53 mb = 1032.39 m = 3387.08 ft Mean mixing ratio: 3.09 g/kg Conv temperature: 4.94 C = 40.89 F Cap Strength: 4.75 C Lifted Index: 11.66 C Risk: None Lifted Index @300 mb: 23.26 C Lifted Index @700 mb: 3.31 C Showalter Index: 12.63 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.10 C K Index: 2.60 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.45 J/kg Max Up Vert Vel: 3.86 m/s Conv Inhibition (B-): 10.33 J/kg Cap Strength: 11.61 C Lift Cond Lev (LCL): 900.59 mb = 926.32 m = 3039.05 ft Lev Free Conv (LFC): 855.59 mb = 1329.44 m = 4361.62 ft Equ Level (EL): 795.59 mb = 1891.23 m = 6204.76 ft B at Equ Level: 6.16 J/kg Max Parcel Lev (MPL): 775.59 mb = 2086.30 m = 6844.73 ft Wind level data Storm motion: 349 at 27 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 1002 74 300 1 0.9 -0.5 | 170 27 -4.5 26.2 1 1000 90 305 3 2.5 -1.7 | 173 25 -2.9 25.0 2 925 716 310 13 10.0 -8.4 | 194 19 4.6 18.3 3 850 1381 315 21 14.8 -14.8 | 219 15 9.5 11.9 4 700 2868 320 36 23.1 -27.6 | 273 18 17.7 -0.9 5 500 5350 320 56 36.0 -42.9 | 298 35 30.6 -16.2 6 400 6920 310 68 52.1 -43.7 | 290 50 46.7 -17.0 7 300 8870 300 85 73.6 -42.5 | 283 70 68.2 -15.8 8 252 10008 300 97 84.0 -48.5 | 285 82 78.6 -21.8 9 250 10060 300 93 80.5 -46.5 | 285 78 75.1 -19.8 10 200 11500 305 79 64.7 -45.3 | 287 62 59.3 -18.6 11 186 11964 305 77 63.1 -44.2 | 287 60 57.7 -17.5 12 150 13340 300 64 55.4 -32.0 | 276 50 50.0 -5.3 13 100 15900 300 50 43.3 -25.0 | 267 38 37.9 1.7 14 70 18120 295 35 31.7 -14.8 | 246 29 26.3 11.9 15 50 20210 290 36 33.8 -12.3 | 243 32 28.4 14.4 16 30 23370 290 44 41.3 -15.0 | 252 38 36.0 11.7 Wind Parameters Mean winds (0-6000m): 318.6 at 36.3 knts Storm direction: 348.6 at 27.2 knts Shear (0-3000m) pos: 6.3 neg: 0.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 106.3 deg Storm rel helicity (0-3000m) pos: 152.2 neg: 0.0 tot: 152.2 m^2/s^2 ave: 50.7 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 117.12 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 ------------------------------------------------------------------------------- 500 308 7 180 23| 10.0 0.0 10.0| 45.0 0.0 45.0 90.0 0.75| 10.0 7.6 1000 310 10 187 20| 8.4 0.0 8.4| 72.3 0.0 72.3 72.3 0.79| 8.4 6.7 1500 313 14 195 18| 7.5 0.0 7.5| 94.5 0.0 94.5 63.0 0.83| 7.6 6.3 2000 314 17 203 16| 7.0 0.0 7.0|114.3 0.0 114.3 57.1 0.86| 7.0 6.0 2500 316 20 213 15| 6.6 0.0 6.6|134.4 0.0 134.4 53.7 0.88| 6.7 5.8 3000 317 22 223 14| 6.3 0.0 6.3|152.2 0.0 152.2 50.7 0.87| 6.4 5.5 4000 318 27 242 14| 4.7 1.0 5.8|180.0 0.0 180.0 45.0 0.82| 5.8 4.8 5000 319 32 260 16| 3.8 1.7 5.4|207.7 0.0 207.7 41.5 0.76| 5.5 4.2 6000 319 36 272 19| 3.1 2.1 5.2|214.8 -23.2 191.6 31.9 0.62| 5.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251027.12.gif