UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U6629... Searching the city database file for: U6629 ... Date:0000Z 4 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 1011 80 2.4 1.8 96 0.6 2.1 155 5 274.7 275.4 274.8 286.3 4.31 1 1000 168 2.0 2.0 100 0.0 2.0 145 9 275.1 275.9 275.2 287.1 4.42 2 925 795 -0.5 -0.5 100 0.0 -0.5 200 17 278.8 279.5 276.6 289.8 3.98 3 883 1165 -2.9 -2.9 100 0.0 -2.9 192 16 280.0 280.6 276.6 289.8 3.49 4 876 1228 0.0 -1.4 90 1.4 -0.6 190 16 283.7 284.4 279.0 294.8 3.94 5 868 1302 0.4 -1.8 85 2.2 -0.6 189 15 284.9 285.5 279.4 295.8 3.86 6 850 1470 0.2 -6.8 59 7.0 -2.4 185 15 286.4 286.8 278.7 294.2 2.70 7 839 1575 0.2 -7.8 55 8.0 -2.8 186 15 287.4 287.9 279.0 294.8 2.53 8 831 1651 0.2 -4.0 73 4.2 -1.5 186 15 288.2 288.8 280.5 298.1 3.42 9 822 1739 0.0 -7.0 59 7.0 -2.7 187 14 288.9 289.4 280.0 297.0 2.75 10 815 1807 0.0 -4.9 70 4.9 -2.0 187 14 289.6 290.2 281.0 299.1 3.26 11 720 2788 -7.1 -13.1 62 6.0 -9.0 194 12 292.3 292.6 280.5 298.1 1.93 12 700 3007 -9.3 -13.2 73 3.9 -10.5 195 11 292.2 292.5 280.5 298.1 1.97 13 624 3883 -17.5 -17.5 100 0.0 -17.5 292.6 292.8 280.1 297.3 1.55 14 604 4127 -17.5 -28.5 38 11.0 -19.4 295.3 295.4 280.1 297.3 0.60 15 602 4152 -17.3 -29.3 34 12.0 -19.4 295.8 295.9 280.3 297.6 0.56 16 508 5405 -25.5 -31.5 57 6.0 -26.3 300.6 300.7 282.3 302.4 0.54 17 500 5520 -26.1 -34.1 47 8.0 -27.1 301.2 301.3 282.4 302.7 0.43 18 491 5651 -26.9 -36.9 38 10.0 -28.0 301.8 301.9 282.5 302.9 0.33 19 469 5979 -29.9 -37.9 46 8.0 -30.7 302.1 302.1 282.7 303.1 0.31 20 428 6623 -34.9 -50.9 18 16.0 -35.8 303.7 303.7 283.0 304.0 0.08 21 400 7090 -38.9 -49.9 30 11.0 -39.5 304.4 304.5 283.3 304.8 0.10 22 365 7709 -44.3 -51.3 46 7.0 -44.6 305.3 305.3 283.7 305.6 0.09 23 354 7913 -45.9 -57.9 25 12.0 -46.2 305.8 305.8 283.8 306.0 0.04 24 326 8454 -50.5 -55.5 55 5.0 -50.6 306.8 306.8 284.2 307.0 0.06 25 308 8821 -53.3 -57.1 63 3.8 -53.4 307.9 307.9 284.6 308.1 0.06 26 304 8905 -53.7 -61.7 37 8.0 -53.8 308.5 308.5 284.8 308.6 0.03 27 300 8990 -54.1 -58.0 62 3.9 -54.2 309.1 309.1 285.1 309.3 0.05 28 299 9012 -54.5 -57.3 71 2.8 -54.6 308.8 308.8 284.9 309.0 0.06 29 291 9186 -55.3 -62.3 41 7.0 -55.4 310.1 310.1 285.4 310.2 0.03 30 286 9297 -55.9 -61.9 47 6.0 -56.0 310.8 310.8 285.7 310.9 0.03 31 269 9691 -55.5 -68.5 18 13.0 -55.6 316.8 316.8 287.7 316.9 0.01 32 250 10160 -56.1 -72.1 12 16.0 -56.3 322.7 322.7 289.6 322.7 0.01 33 200 11570 -56.9 -78.9 5 22.0 -57.1 342.7 342.7 295.0 342.7 0.00 34 150 13390 -57.3 -83.3 2 26.0 -57.6 371.4 371.4 300.8 371.4 0.00 35 146 13561 -56.7 -82.7 2 26.0 -57.0 375.3 375.3 301.5 375.3 0.00 36 101 15878 -61.1 -85.1 3 24.0 -61.3 408.5 408.5 306.3 408.5 0.00 37 100 15940 -60.7 -84.7 3 24.0 -61.0 410.4 410.4 306.6 410.5 0.00 38 86 16867 -64.5 -86.5 3 22.0 -64.7 420.9 420.9 307.8 420.9 0.00 39 70 18120 -65.1 -88.1 3 23.0 -65.3 445.1 445.1 310.4 445.1 0.00 40 50 20160 -67.1 -89.1 3 22.0 -67.3 485.4 485.4 313.9 485.4 0.00 41 44 20927 -67.9 -89.9 3 22.0 -68.1 501.5 501.5 315.1 501.5 0.00 42 30 23190 -73.7 -91.7 5 18.0 -73.9 543.7 543.7 317.8 543.7 0.00 43 25 24245 -77.3 -93.3 6 16.0 -77.4 562.5 562.5 318.8 562.5 0.00 44 20 25520 -78.9 -93.9 7 15.0 -79.0 594.7 594.7 320.3 594.7 0.00 45 17 26441 -80.3 -95.3 6 15.0 -80.4 618.5 618.5 321.4 618.5 0.00 TRP 286 9297 -55.9 -61.9 47 6.0 -56.0 310.8 310.8 285.7 310.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5352.00 m Freezing level: 940.00 mb = 669.60 m = 2196.82 ft Freezing level: 876.00 mb = 1228.39 m = 4030.11 ft Freezing level: 815.00 mb = 1807.30 m = 5929.40 ft Wetbulb zero: 940.11 mb = 664.70 m = 2180.74 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 71.32 % Est. max temperature: 13.18 C = 55.72 F Sfc-Lift cond lev (LCL): 1001.60 mb = 155.14 m = 509.00 ft T: 2.06 C 700-500 lapse rate: 6.69 C/km ThetaE index: 1.62 C Layer 850.0- 839.0 mb Conv cond level (CCL): 957.23 mb = 519.58 m = 1704.63 ft Mean mixing ratio: 4.17 g/kg Conv temperature: 4.91 C = 40.83 F Cap Strength: 10.87 C Lifted Index: 11.26 C Risk: None Lifted Index @300 mb: 14.67 C Lifted Index @700 mb: 7.32 C Showalter Index: 7.01 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 19.30 C K Index: 15.60 Risk: < 20 % chance of thunderstorms Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.87 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 48296.07 J/kg Cap Strength: 10.85 C Lift Cond Lev (LCL): 959.07 mb = 504.07 m = 1653.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 218 at 10 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 1011 80 155 5 -2.1 4.5 | 68 9 -8.4 -3.4 1 1000 168 145 9 -5.2 7.4 | 87 11 -11.4 -0.6 2 925 795 200 17 5.8 16.0 | 177 8 -0.5 8.0 3 850 1470 185 15 1.3 14.9 | 145 9 -5.0 7.0 4 700 3007 195 11 2.8 10.6 | 128 4 -3.4 2.7 Wind Parameters Mean winds (0-6000m): 188.2 at 13.5 knts Storm direction: 218.2 at 10.1 knts Shear (0-3000m) pos: 2.2 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 60.1 deg Storm rel helicity (0-3000m) pos: 43.1 neg: -11.5 tot: 31.6 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.37 Bulk Shear: 4.09 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 ------------------------------------------------------------------------------- 500 165 11 105 9| 10.3 0.0 10.3| 31.6 0.0 31.6 63.1 0.92| 13.5 12.4 1000 186 13 138 7| 6.5 0.0 6.5| 43.1 -3.4 39.7 39.7 0.79| 10.4 8.1 1500 187 14 143 8| 4.3 0.9 5.2| 43.1 -9.1 33.9 22.6 0.57| 7.9 4.5 2000 187 14 143 8| 3.0 0.7 3.7| 43.1 -9.8 33.3 16.6 0.52| 6.3 3.3 2500 188 14 142 7| 2.2 0.5 2.8| 43.1 -10.7 32.4 13.0 0.47| 5.4 2.5 3000 NO DATA | 2.2 0.5 2.8| | 4000 NO DATA | 2.2 0.5 2.8| | 5000 NO DATA | 2.2 0.5 2.8| | 6000 NO DATA | 2.2 0.5 2.8| | Wrote GIF file: /home/apache/climate/data/raob//U6629/skewt/U6629.skewt.20251204.00.gif