UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:0000Z 13 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 98 SFC 988 193 -4.7 -9.6 69 4.9 -6.1 330 5 269.4 269.7 267.7 274.5 1.86 2 925 707 -9.3 -14.0 69 4.7 -10.5 340 31 269.8 270.0 267.1 273.7 1.40 3 850 1353 -14.5 -18.0 75 3.5 -15.2 350 42 271.0 271.1 267.4 274.0 1.09 4 817 1651 -17.1 -21.0 72 3.9 -17.8 351 41 271.3 271.4 267.2 273.8 0.88 5 782 1978 -19.3 -23.1 72 3.8 -19.9 352 40 272.3 272.5 267.7 274.6 0.76 6 705 2742 -23.1 -29.1 58 6.0 -23.9 355 38 276.3 276.4 269.8 277.8 0.49 7 700 2794 -23.7 -29.7 58 6.0 -24.4 355 38 276.2 276.3 269.7 277.6 0.46 8 627 3586 -30.3 -39.3 41 9.0 -31.0 352 43 277.5 277.6 270.0 278.2 0.20 9 600 3897 -33.1 -42.1 40 9.0 -33.7 350 44 277.8 277.8 270.1 278.3 0.16 10 522 4871 -34.7 -46.7 29 12.0 -35.4 346 50 287.2 287.2 275.4 287.5 0.11 11 500 5170 -36.9 -48.9 28 12.0 -37.5 345 52 288.0 288.1 275.8 288.4 0.09 12 485 5380 -38.1 -50.1 27 12.0 -38.6 345 54 289.1 289.1 276.3 289.4 0.08 13 404 6641 -37.1 -53.1 17 16.0 -37.9 340 89 305.9 305.9 283.8 306.2 0.07 14 400 6710 -37.1 -53.1 17 16.0 -37.9 340 91 306.8 306.8 284.2 307.0 0.07 15 340 7824 -40.6 -58.9 12 18.3 -41.3 345 106 316.6 316.6 287.7 316.8 0.04 16 300 8670 -43.3 -63.3 9 20.0 -43.9 340 104 324.3 324.3 290.1 324.4 0.03 17 265 9502 -45.5 -68.5 6 23.0 -46.1 337 94 332.8 332.8 292.5 332.9 0.01 18 253 9811 -46.9 -69.9 6 23.0 -47.4 335 90 335.2 335.2 293.1 335.2 0.01 19 250 9890 -46.9 -69.9 6 23.0 -47.4 335 89 336.3 336.3 293.4 336.4 0.01 20 200 11370 -47.9 -70.9 5 23.0 -48.5 340 75 356.9 356.9 298.1 357.0 0.01 21 150 13250 -51.7 -73.7 5 22.0 -52.2 335 75 381.0 381.0 302.4 381.0 0.01 22 140 13697 -51.9 -73.9 5 22.0 -52.4 333 73 388.2 388.2 303.5 388.3 0.01 23 126 14373 -55.3 -77.3 5 22.0 -55.7 331 69 394.0 394.0 304.3 394.0 0.01 24 100 15840 -57.1 -78.1 5 21.0 -57.5 325 62 417.4 417.4 307.4 417.4 0.01 25 82 17085 -61.1 -81.1 5 20.0 -61.4 319 60 433.6 433.6 309.2 433.6 0.01 26 77 17476 -61.7 -81.7 5 20.0 -62.0 318 59 440.2 440.2 309.9 440.3 0.01 27 70 18070 -59.3 -79.3 6 20.0 -59.7 315 58 457.5 457.5 311.5 457.6 0.01 28 65 18534 -59.5 -79.5 6 20.0 -60.0 316 55 466.9 466.9 312.4 466.9 0.01 29 50 20160 -63.3 -83.3 5 20.0 -63.7 320 44 494.3 494.3 314.5 494.4 0.01 30 42 21224 -66.5 -86.5 4 20.0 -66.8 511.7 511.7 315.8 511.7 0.01 31 32 22881 -63.7 -83.7 5 20.0 -64.3 560.5 560.5 318.7 560.6 0.01 TRP 485 5380 -38.1 -50.1 27 12.0 -38.6 345 54 289.1 289.1 276.3 289.4 0.08 WND 340 7824 -40.6 -58.9 12 18.3 -41.3 345 106 316.6 316.6 287.7 316.8 0.04 Sounding variables and indices 1000-500 mb thick: 5072.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 54.28 % Est. max temperature: -3.01 C = 26.59 F Sfc-Lift cond lev (LCL): 914.17 mb = 797.00 m = 2614.79 ft T: -10.02 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.80 C Layer 925.0- 850.0 mb Conv cond level (CCL): 857.03 mb = 1290.06 m = 4232.44 ft Mean mixing ratio: 1.51 g/kg Conv temperature: -3.23 C = 26.18 F Cap Strength: 11.28 C Lifted Index: 11.77 C Risk: None Lifted Index @300 mb: 35.69 C Lifted Index @700 mb: 3.58 C Showalter Index: 11.71 C Risk: None Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 18.90 C K Index: -1.60 Risk: None Sweat Index: 136.00 Risk: None Energy Index: 2.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.58 J/kg Max Up Vert Vel: 2.68 m/s Conv Inhibition (B-): 41854.99 J/kg Cap Strength: 11.78 C Lift Cond Lev (LCL): 871.20 mb = 1164.82 m = 3821.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 33 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 ---------------------------------------------------------- 0 988 193 330 5 2.5 -4.3 | 205 30 12.6 27.0 1 925 707 340 31 10.6 -29.1 | 264 21 20.7 2.2 2 850 1353 350 42 7.3 -41.4 | 300 20 17.4 -10.0 3 700 2794 355 38 3.3 -37.9 | 296 15 13.4 -6.5 4 500 5170 345 52 13.5 -50.2 | 309 30 23.5 -18.9 5 485 5380 345 54 14.0 -52.2 | 311 32 24.1 -20.8 6 400 6710 340 91 31.1 -85.5 | 323 68 41.2 -54.2 7 340 7824 345 106 27.4 -102.4 | 332 80 37.5 -71.1 8 300 8670 340 104 35.6 -97.7 | 325 81 45.7 -66.4 9 250 9890 335 89 37.6 -80.7 | 316 69 47.7 -49.3 10 200 11370 340 75 25.7 -70.5 | 318 53 35.7 -39.1 11 150 13250 335 75 31.7 -68.0 | 311 56 41.8 -36.6 12 100 15840 325 62 35.6 -50.8 | 293 50 45.6 -19.5 13 70 18070 315 58 41.0 -41.0 | 281 52 51.1 -9.7 14 50 20160 320 44 28.3 -33.7 | 274 38 38.4 -2.4 Wind Parameters Mean winds (0-6000m): 347.8 at 43.9 knts Storm direction: 17.8 at 32.9 knts Shear (0-3000m) pos: 5.8 neg: 0.4 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 95.7 deg Storm rel helicity (0-3000m) pos: 222.9 neg: -5.3 tot: 217.6 m^2/s^2 ave: 72.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 93.82 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 ------------------------------------------------------------------------------- 500 339 18 228 22| 26.1 0.0 26.1|146.5 0.0 146.5 293.0 0.92| 26.3 24.1 1000 342 26 251 19| 17.8 0.0 17.8|200.5 0.0 200.5 200.5 0.94| 18.4 17.3 1500 346 31 267 18| 12.5 0.0 12.5|217.4 -0.9 216.5 144.3 0.91| 13.7 12.5 2000 348 34 275 17| 9.0 0.0 9.0|217.4 -2.7 214.7 107.4 0.86| 10.8 9.3 2500 349 35 280 17| 7.0 0.0 7.0|217.4 -4.8 212.6 85.0 0.82| 9.0 7.3 3000 350 35 282 17| 5.8 0.4 6.2|222.9 -5.3 217.6 72.5 0.79| 8.0 6.3 4000 350 37 289 17| 4.3 1.1 5.5|234.1 -5.3 228.8 57.2 0.73| 6.9 5.0 5000 349 40 294 19| 3.5 1.6 5.1|241.3 -5.3 236.0 47.2 0.66| 6.2 4.1 6000 348 44 301 23| 2.9 3.4 6.3|325.1 -5.3 319.8 53.3 0.56| 7.3 4.1 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251213.00.gif