UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 10 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 1027 78 -24.9 -27.6 78 2.7 -25.1 0 0 246.4 246.4 246.3 247.4 0.39 1 1000 273 -22.5 -25.2 79 2.7 -22.8 300 3 250.6 250.7 250.4 252.0 0.49 2 933 789 -12.5 -15.5 78 3.0 -13.2 309 10 265.9 266.1 264.1 269.2 1.22 3 925 854 -11.7 -14.7 78 3.0 -12.4 310 11 267.3 267.6 265.3 271.0 1.32 4 907 1005 -11.5 -14.7 77 3.2 -12.2 312 12 269.1 269.3 266.5 272.8 1.35 5 850 1500 -16.1 -19.4 76 3.3 -16.7 320 17 269.3 269.4 266.0 272.0 0.97 6 762 2312 -22.5 -27.2 65 4.7 -23.1 323 20 270.9 271.0 266.4 272.5 0.54 7 715 2782 -20.3 -25.2 65 4.9 -21.1 324 22 278.3 278.4 271.4 280.4 0.69 8 700 2938 -22.1 -27.1 64 5.0 -22.8 325 23 278.0 278.1 271.0 279.8 0.59 9 662 3344 -23.5 -28.5 63 5.0 -24.2 327 24 280.9 281.0 272.6 282.6 0.55 10 500 5330 -35.9 -40.9 60 5.0 -36.2 340 29 289.3 289.3 276.6 290.0 0.21 11 400 6860 -46.3 -52.3 51 6.0 -46.5 355 31 294.8 294.8 279.1 295.1 0.08 12 392 6993 -47.5 -53.5 50 6.0 -47.7 352 31 295.0 295.0 279.2 295.2 0.07 13 346 7800 -54.9 -60.9 47 6.0 -55.0 332 33 295.7 295.7 279.4 295.8 0.03 14 318 8335 -56.7 -63.7 41 7.0 -56.8 319 34 300.4 300.4 281.5 300.5 0.02 15 300 8700 -59.5 -66.5 40 7.0 -59.6 310 35 301.5 301.5 282.0 301.5 0.02 16 271 9330 -64.9 -72.9 32 8.0 -65.0 343 36 302.5 302.5 282.4 302.5 0.01 17 250 9820 -67.5 -75.5 31 8.0 -67.5 10 36 305.7 305.7 283.7 305.7 0.01 18 227 10401 -71.1 -79.1 30 8.0 -71.1 5 36 308.8 308.8 284.8 308.8 0.00 19 200 11160 -68.7 -76.7 31 8.0 -68.7 345 38 324.0 324.0 290.0 324.0 0.01 20 174 11991 -65.7 -74.7 27 9.0 -65.8 335 38 342.1 342.1 294.8 342.1 0.01 21 150 12880 -67.9 -76.9 27 9.0 -67.9 325 38 353.1 353.1 297.3 353.2 0.01 22 100 15330 -67.3 -77.3 23 10.0 -67.4 320 38 397.7 397.7 304.9 397.7 0.01 23 89 16035 -67.3 318 39 411.2 24 70 17480 -69.1 315 40 436.6 25 50 19480 -71.5 310 42 475.0 26 38 21091 -74.1 507.2 TRP 227 10401 -71.1 -79.1 30 8.0 -71.1 5 36 308.8 308.8 284.8 308.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5057.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 67.78 % Est. max temperature: -1.91 C = 28.57 F Sfc-Lift cond lev (LCL): 981.71 mb = 410.25 m = 1345.96 ft T: -19.84 C 700-500 lapse rate: 5.77 C/km ThetaE index: 0.79 C Layer 850.0- 762.0 mb Conv cond level (CCL): 1000.00 mb = 273.00 m = 895.66 ft Mean mixing ratio: 0.77 g/kg Conv temperature: -18.16 C = -0.68 F Cap Strength: 20.37 C Lifted Index: 25.43 C Risk: None Lifted Index @300 mb: 30.60 C Lifted Index @700 mb: 18.19 C Showalter Index: 14.35 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.50 C K Index: -4.60 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 3.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.41 J/kg Max Up Vert Vel: 10.90 m/s Conv Inhibition (B-): 41526.25 J/kg Cap Strength: 25.13 C Lift Cond Lev (LCL): 949.29 mb = 659.95 m = 2165.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 at 16 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 1027 78 0 0 -0.0 -0.0 | 181 16 0.2 15.9 1 1000 273 300 3 2.6 -1.5 | 191 15 2.8 14.4 2 925 854 310 11 8.4 -7.1 | 224 12 8.6 8.8 3 850 1500 320 17 10.9 -13.0 | 256 12 11.1 2.9 4 700 2938 325 23 13.2 -18.8 | 282 14 13.4 -2.9 5 500 5330 340 29 9.9 -27.3 | 318 15 10.1 -11.4 6 400 6860 355 31 2.7 -30.9 | 349 15 2.9 -15.0 7 300 8700 310 35 26.8 -22.5 | 284 28 27.0 -6.6 8 250 9820 10 36 -6.3 -35.5 | 17 20 -6.0 -19.6 9 227 10401 5 36 -3.1 -35.9 | 8 20 -2.9 -20.0 10 200 11160 345 38 9.8 -36.7 | 334 23 10.1 -20.8 11 150 12880 325 38 21.8 -31.1 | 305 27 22.0 -15.2 12 100 15330 320 38 24.4 -29.1 | 298 28 24.6 -13.2 13 70 17480 315 40 28.3 -28.3 | 293 31 28.5 -12.4 14 50 19480 310 42 32.2 -27.0 | 289 34 32.4 -11.1 Wind Parameters Mean winds (0-6000m): 330.8 at 21.2 knts Storm direction: 0.8 at 15.9 knts Shear (0-3000m) pos: 2.9 neg: 1.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 103.7 deg Storm rel helicity (0-3000m) pos: 78.7 neg: 0.0 tot: 78.7 m^2/s^2 ave: 26.2 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.38 Bulk Shear: 43.00 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 ------------------------------------------------------------------------------- 500 303 4 193 14| 0.0 7.4 7.4| 25.0 0.0 25.0 50.0 0.88| 7.8 6.8 1000 309 7 206 13| 3.1 3.7 6.8| 44.6 0.0 44.6 44.6 0.92| 7.0 6.5 1500 314 10 218 12| 3.6 2.5 6.1| 58.8 0.0 58.8 39.2 0.94| 6.3 5.9 2000 317 12 229 11| 3.3 1.9 5.1| 65.3 0.0 65.3 32.6 0.94| 5.3 4.9 2500 319 14 238 11| 3.1 1.5 4.5| 72.0 0.0 72.0 28.8 0.94| 4.7 4.4 3000 320 15 247 11| 2.9 1.2 4.1| 78.7 0.0 78.7 26.2 0.94| 4.2 4.0 4000 323 17 260 11| 2.5 0.9 3.5| 92.2 0.0 92.2 23.1 0.95| 3.6 3.4 5000 327 20 273 11| 2.3 0.7 3.1|106.8 0.0 106.8 21.4 0.95| 3.3 3.1 6000 331 21 284 11| 2.2 0.6 2.8|126.2 0.0 126.2 21.0 0.95| 3.2 3.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251210.00.gif