UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for U6629... Searching the city database file for: U6629 ... Date:1200Z 28 DEC 25 Station: U6629 WMO ident: 26629 Latitude: 54.88 Longitude: 23.88 ------------------------------------------------------------------------------- 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 1001 73 1.6 -6.4 55 8.0 -1.2 340 15 274.7 275.1 271.9 281.2 2.36 1 1000 81 1.6 -6.4 55 8.0 -1.2 335 13 274.8 275.1 271.9 281.3 2.36 2 925 702 -4.5 -7.7 78 3.2 -5.5 335 27 274.7 275.1 271.8 281.1 2.31 3 850 1360 -10.5 -10.5 100 0.0 -10.5 345 35 275.1 275.5 271.6 280.8 2.02 4 805 1776 -13.5 -13.6 99 0.1 -13.5 346 39 276.3 276.5 271.7 281.0 1.66 5 802 1804 -13.3 -17.4 71 4.1 -14.2 346 39 276.8 277.0 271.3 280.3 1.22 6 800 1823 -13.1 -38.1 10 25.0 -16.2 347 39 277.2 277.2 269.8 277.8 0.18 7 763 2186 -10.3 -39.3 7 29.0 -14.2 348 42 284.0 284.0 273.8 284.5 0.17 8 754 2277 -10.7 -36.7 10 26.0 -14.5 348 43 284.5 284.6 274.1 285.2 0.22 9 700 2846 -13.1 -25.1 36 12.0 -15.4 350 48 288.0 288.1 276.7 290.2 0.71 10 640 3522 -17.3 -24.3 54 7.0 -18.7 351 56 290.7 290.8 278.3 293.3 0.84 11 570 4381 -21.5 -33.5 33 12.0 -23.2 353 67 295.5 295.6 279.9 296.9 0.40 12 510 5188 -28.3 -38.3 38 10.0 -29.3 355 77 296.8 296.9 280.4 297.8 0.27 13 500 5330 -28.9 -41.9 27 13.0 -30.0 355 79 297.8 297.8 280.7 298.5 0.19 14 495 5402 -29.1 -44.1 22 15.0 -30.3 355 81 298.4 298.4 280.8 299.0 0.15 15 462 5892 -31.5 -36.1 64 4.6 -32.0 355 93 301.4 301.4 282.4 302.7 0.38 16 445 6157 -32.7 -38.7 55 6.0 -33.3 355 99 303.1 303.2 283.1 304.1 0.30 17 400 6900 -37.1 -47.1 35 10.0 -37.7 355 118 306.8 306.8 284.3 307.3 0.14 18 387 7128 -38.9 -48.9 34 10.0 -39.4 355 121 307.3 307.3 284.5 307.7 0.12 19 356 7695 -44.3 -48.7 61 4.4 -44.5 355 129 307.5 307.5 284.5 308.0 0.13 20 353 7752 -44.9 -50.9 51 6.0 -45.2 355 130 307.4 307.4 284.5 307.8 0.10 21 332 8161 -46.5 -56.5 31 10.0 -46.8 355 136 310.7 310.7 285.7 310.9 0.06 22 326 8282 -46.9 -52.9 50 6.0 -47.1 355 138 311.8 311.8 286.1 312.1 0.09 23 320 8406 -47.3 -56.3 35 9.0 -47.6 355 139 312.9 312.9 286.4 313.1 0.06 24 306 8700 -49.5 -60.5 26 11.0 -49.8 355 144 313.8 313.8 286.7 313.9 0.04 25 302 8787 -50.3 -60.6 28 10.3 -50.5 355 145 313.9 313.9 286.8 314.0 0.04 26 300 8830 -50.7 -60.7 30 10.0 -50.9 355 143 313.9 313.9 286.8 314.0 0.04 27 258 9792 -57.9 -68.9 23 11.0 -58.0 355 129 317.1 317.1 287.8 317.2 0.01 28 250 9990 -58.3 -71.3 17 13.0 -58.4 355 126 319.4 319.4 288.6 319.4 0.01 29 230 10512 -60.9 -73.9 16 13.0 -61.0 350 126 323.1 323.1 289.7 323.2 0.01 30 210 11080 -59.3 -79.3 6 20.0 -59.5 353 99 334.2 334.2 292.9 334.2 0.00 31 200 11390 -52.9 -80.9 2 28.0 -53.2 355 85 349.0 349.0 296.4 349.0 0.00 32 198 11455 -51.7 -80.7 2 29.0 -52.1 354 85 351.9 351.9 297.0 351.9 0.00 33 157 12941 -58.1 -83.1 3 25.0 -58.3 338 73 365.2 365.2 299.7 365.2 0.00 34 150 13230 -56.1 -83.1 2 27.0 -56.4 335 71 373.4 373.4 301.2 373.4 0.00 35 133 13997 -53.3 -82.3 2 29.0 -53.8 391.5 391.5 304.0 391.5 0.00 36 100 15800 -60.1 -85.1 2 25.0 -60.4 411.6 411.6 306.7 411.6 0.00 37 95 16119 -62.3 -86.3 3 24.0 -62.6 413.4 413.4 306.9 413.4 0.00 38 70 18030 -57.7 -85.7 2 28.0 -58.2 460.9 460.9 311.8 461.0 0.00 39 69 18121 -56.9 -84.9 2 28.0 -57.5 464.6 464.6 312.2 464.6 0.00 40 62 18787 -62.7 -87.7 2 25.0 -63.0 466.1 466.1 312.3 466.2 0.00 41 52 19876 -59.5 -86.5 2 27.0 -60.1 497.7 497.7 314.8 497.7 0.00 42 50 20120 -60.5 -86.5 2 26.0 -61.0 500.9 500.9 315.0 500.9 0.00 43 31 23052 -67.5 -90.5 2 23.0 -67.8 555.4 555.4 318.4 555.4 0.00 44 30 23250 -67.9 -89.9 3 22.0 -68.2 559.5 559.5 318.6 559.6 0.00 45 20 25660 -71.1 -92.1 3 21.0 -71.4 618.5 618.5 321.4 618.6 0.00 46 19 25964 -71.5 -92.5 3 21.0 -71.8 626.4 626.4 321.7 626.5 0.00 47 12 28692 -69.7 -92.7 2 23.0 -70.4 720.8 720.8 325.1 720.8 0.01 48 10 29770 -73.3 -93.3 3 20.0 -73.7 745.9 745.9 325.8 746.0 0.01 49 9.1 30321 -74.1 -94.1 3 20.0 -74.6 763.3 763.3 326.3 763.3 0.01 50 8.7 30583 -73.9 -94.9 3 21.0 -74.4 773.9 773.9 326.6 774.0 0.01 TRP 230 10512 -60.9 -73.9 16 13.0 -61.0 350 126 323.1 323.1 289.7 323.2 0.01 WND 302 8787 -50.3 -60.6 28 10.3 -50.5 355 145 313.9 313.9 286.8 314.0 0.04 Sounding variables and indices 1000-500 mb thick: 5249.00 m Freezing level: 980.33 mb = 243.89 m = 800.14 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 49.76 % Est. max temperature: 2.07 C = 35.73 F Sfc-Lift cond lev (LCL): 883.57 mb = 1058.57 m = 3472.96 ft T: -7.75 C 700-500 lapse rate: 6.36 C/km ThetaE index: 3.23 C Layer 802.0- 763.0 mb Conv cond level (CCL): 875.78 mb = 1127.48 m = 3699.05 ft Mean mixing ratio: 2.32 g/kg Conv temperature: 1.94 C = 35.49 F Cap Strength: 13.46 C Lifted Index: 14.09 C Risk: None Lifted Index @300 mb: 23.20 C Lifted Index @700 mb: 8.68 C Showalter Index: 14.38 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 18.40 C K Index: -4.10 Risk: None Sweat Index: 149.00 Risk: None Energy Index: 3.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.31 J/kg Max Up Vert Vel: 2.57 m/s Conv Inhibition (B-): 2.01 J/kg Cap Strength: 13.47 C Lift Cond Lev (LCL): 879.18 mb = 1097.33 m = 3600.12 ft Lev Free Conv (LFC): 864.18 mb = 1231.24 m = 4039.45 ft Equ Level (EL): 804.18 mb = 1783.79 m = 5852.27 ft B at Equ Level: 2.13 J/kg Max Parcel Lev (MPL): 794.18 mb = 1879.37 m = 6165.84 ft Wind level data Storm motion: 21 at 40 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 1001 73 340 15 5.1 -14.1 | 220 30 19.5 23.3 1 1000 81 335 13 5.5 -11.8 | 218 32 19.9 25.6 2 925 702 335 27 11.4 -24.5 | 243 29 25.8 12.9 3 850 1360 345 35 9.1 -33.8 | 261 24 23.5 3.6 4 700 2846 350 48 8.3 -47.3 | 293 25 22.7 -9.9 5 500 5330 355 79 6.9 -78.7 | 333 46 21.3 -41.3 6 400 6900 355 118 10.3 -117.6 | 343 84 24.7 -80.2 7 302 8787 355 145 12.6 -144.4 | 346 110 27.0 -107.1 8 300 8830 355 143 12.5 -142.5 | 346 108 26.9 -105.1 9 250 9990 355 126 11.0 -125.5 | 344 92 25.4 -88.1 10 230 10512 350 126 21.9 -124.1 | 337 94 36.3 -86.7 11 200 11390 355 85 7.4 -84.7 | 335 52 21.8 -47.3 12 150 13230 335 71 30.0 -64.3 | 301 52 44.4 -27.0 Wind Parameters Mean winds (0-6000m): 351.1 at 53.4 knts Storm direction: 21.1 at 40.1 knts Shear (0-3000m) pos: 4.9 neg: 1.6 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 79.2 deg Storm rel helicity (0-3000m) pos: 254.6 neg: 0.0 tot: 254.6 m^2/s^2 ave: 84.9 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 171.73 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 ------------------------------------------------------------------------------- 500 335 18 227 30| 0.0 9.5 9.5| 74.3 0.0 74.3 148.5 0.90| 10.6 9.6 1000 336 23 236 29| 4.1 4.8 8.8|129.2 0.0 129.2 129.2 0.90| 9.5 8.6 1500 340 27 243 27| 4.8 3.2 7.9|165.3 0.0 165.3 110.2 0.90| 8.5 7.6 2000 342 30 250 25| 4.7 2.4 7.1|193.4 0.0 193.4 96.7 0.92| 7.5 6.9 2500 344 33 256 24| 4.7 1.9 6.6|221.8 0.0 221.8 88.7 0.93| 7.0 6.4 3000 345 35 262 24| 4.9 1.6 6.4|254.6 0.0 254.6 84.9 0.93| 6.7 6.2 4000 347 41 276 23| 5.3 1.2 6.5|331.9 0.0 331.9 83.0 0.89| 6.7 5.9 5000 350 47 291 24| 5.5 1.0 6.5|415.3 0.0 415.3 83.1 0.84| 6.6 5.6 6000 351 53 304 27| 5.4 1.8 7.2|524.1 0.0 524.1 87.4 0.72| 7.4 5.3 Wrote GIF file: /home/apache/climate/data/raob//U6629/skewt/U6629.skewt.20251228.12.gif