UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 2 DEC 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 1005 75 -0.7 -4.0 78 3.3 -1.9 270 3 272.1 272.5 271.0 279.8 2.82 1 1000 115 -1.1 -4.8 76 3.7 -2.4 270 3 272.0 272.5 270.7 279.3 2.67 2 925 730 -6.3 -9.2 80 2.9 -7.2 275 9 272.9 273.2 270.2 278.6 2.06 3 863 1267 -9.5 -11.5 85 2.0 -10.1 279 16 275.0 275.3 271.2 280.2 1.84 4 850 1383 -10.9 -13.9 79 3.0 -11.7 280 17 274.7 275.0 270.6 279.1 1.53 5 795 1898 -9.7 -14.7 67 5.0 -11.1 283 23 281.3 281.6 274.5 285.8 1.54 6 711 2751 -15.1 -22.1 55 7.0 -16.5 289 34 284.5 284.6 275.2 287.3 0.91 7 700 2869 -15.9 -23.9 50 8.0 -17.4 290 35 284.9 285.0 275.2 287.3 0.79 8 543 4734 -29.9 -41.9 30 12.0 -30.8 294 48 289.7 289.7 276.8 290.3 0.18 9 500 5320 -32.1 -46.1 24 14.0 -33.0 295 52 293.9 293.9 278.8 294.3 0.12 10 438 6241 -38.7 -54.7 17 16.0 -39.3 292 56 296.9 296.9 280.0 297.1 0.05 11 400 6860 -41.5 -57.5 16 16.0 -42.0 290 58 301.1 301.1 281.8 301.2 0.04 12 300 8770 -49.9 -65.9 14 16.0 -50.2 285 66 315.0 315.0 287.1 315.1 0.02 13 250 9940 -55.5 -70.5 14 15.0 -55.7 285 75 323.6 323.6 289.9 323.6 0.01 14 231 10442 -55.1 -70.1 14 15.0 -55.4 280 77 331.5 331.5 292.2 331.5 0.01 15 200 11360 -54.5 -69.5 14 15.0 -54.8 280 73 346.5 346.5 295.8 346.5 0.02 16 168 12467 -58.1 -73.1 13 15.0 -58.3 358.2 358.2 298.4 358.2 0.01 TRP 231 10442 -57.9 -72.9 13 15.0 -58.0 280 77 327.3 327.3 291.0 327.3 0.01 WND 231 10442 -55.1 -70.1 14 15.0 -55.4 280 77 331.5 331.5 292.2 331.5 0.01 Sounding variables and indices 1000-500 mb thick: 5205.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 54.93 % Est. max temperature: 2.07 C = 35.73 F Sfc-Lift cond lev (LCL): 954.38 mb = 483.35 m = 1585.77 ft T: -4.21 C 700-500 lapse rate: 6.61 C/km ThetaE index: 1.18 C Layer 1000.0- 863.0 mb Conv cond level (CCL): 886.25 mb = 1060.99 m = 3480.90 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 1.42 C = 34.56 F Cap Strength: 9.63 C Lifted Index: 12.65 C Risk: None Lifted Index @300 mb: 25.55 C Lifted Index @700 mb: 7.55 C Showalter Index: 12.53 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 18.20 C K Index: -0.70 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.89 J/kg Max Up Vert Vel: 2.79 m/s Conv Inhibition (B-): 9165.63 J/kg Cap Strength: 12.07 C Lift Cond Lev (LCL): 907.95 mb = 873.94 m = 2867.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 25 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 1005 75 270 3 3.0 -0.0 | 147 23 -12.8 19.5 1 1000 115 270 3 3.0 -0.0 | 147 23 -12.8 19.5 2 925 730 275 9 9.0 -0.8 | 160 20 -6.8 18.7 3 850 1383 280 17 16.7 -3.0 | 183 17 1.0 16.5 4 700 2869 290 35 32.9 -12.0 | 246 19 17.1 7.5 5 500 5320 295 52 47.1 -22.0 | 275 31 31.4 -2.5 6 400 6860 290 58 54.5 -19.8 | 271 39 38.7 -0.3 7 300 8770 285 66 63.8 -17.1 | 267 48 48.0 2.4 8 250 9940 285 75 72.4 -19.4 | 270 57 56.7 0.1 9 231 10442 280 77 75.8 -13.4 | 264 60 60.1 6.1 10 200 11360 280 73 71.9 -12.7 | 263 57 56.1 6.8 Wind Parameters Mean winds (0-6000m): 291.0 at 33.4 knts Storm direction: 321.0 at 25.1 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 103.0 deg Storm rel helicity (0-3000m) pos: 147.4 neg: 0.0 tot: 147.4 m^2/s^2 ave: 49.1 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 108.72 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 ------------------------------------------------------------------------------- 500 273 5 151 22| 4.6 0.0 4.6| 21.5 0.0 21.5 43.1 0.82| 4.6 3.8 1000 275 8 157 20| 5.3 0.0 5.3| 47.2 0.0 47.2 47.2 0.85| 5.3 4.5 1500 278 11 163 19| 5.6 0.0 5.6| 73.4 0.0 73.4 48.9 0.89| 5.6 5.0 2000 280 13 172 17| 5.8 0.0 5.8| 99.1 0.0 99.1 49.5 0.92| 5.8 5.3 2500 283 16 181 16| 5.9 0.0 5.9|125.4 0.0 125.4 50.2 0.93| 6.0 5.5 3000 285 19 192 15| 5.8 0.0 5.8|147.4 0.0 147.4 49.1 0.92| 5.9 5.4 4000 288 24 212 14| 5.2 0.0 5.2|176.9 0.0 176.9 44.2 0.89| 5.3 4.7 5000 290 29 231 15| 4.9 0.0 4.9|209.1 0.0 209.1 41.8 0.85| 5.0 4.2 6000 291 33 244 17| 4.1 0.4 4.5|216.8 -9.3 207.5 34.6 0.76| 4.6 3.5 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251202.00.gif