UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 7 DEC 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 226 160 3 SFC 998 242 -0.5 -2.9 84 2.4 -1.4 160 3 272.8 273.3 271.8 281.2 3.09 2 952 618 -4.1 -6.2 85 2.1 -4.8 163 17 272.9 273.3 271.0 279.8 2.52 3 926 837 -2.5 -6.5 74 4.0 -3.9 165 25 276.7 277.1 273.3 283.7 2.53 4 925 846 -2.1 -6.2 73 4.1 -3.6 165 25 277.2 277.6 273.7 284.4 2.60 5 915 933 0.4 -4.6 69 5.0 -1.5 164 24 280.6 281.1 276.1 289.0 2.96 6 850 1523 -0.7 -8.7 55 8.0 -3.6 160 19 285.4 285.8 277.7 292.2 2.33 7 829 1723 -0.5 -9.5 51 9.0 -3.7 164 18 287.7 288.1 278.7 294.3 2.24 8 773 2278 -3.9 -14.9 42 11.0 -7.2 175 15 289.8 290.1 278.9 294.5 1.55 9 751 2506 -2.9 -17.9 30 15.0 -7.3 179 14 293.3 293.5 280.1 297.2 1.24 10 724 2795 -4.3 -12.3 54 8.0 -7.0 185 12 294.9 295.2 281.8 301.1 2.05 11 700 3060 -5.7 -13.7 53 8.0 -8.3 190 11 296.2 296.5 282.2 302.0 1.89 12 673 3367 -7.5 -14.5 57 7.0 -9.7 197 13 297.5 297.8 282.7 303.2 1.85 13 645 3695 -9.7 -27.7 22 18.0 -13.5 205 14 298.7 298.8 281.6 300.6 0.61 14 618 4024 -11.7 -19.7 51 8.0 -13.8 212 16 300.0 300.3 283.1 304.2 1.30 15 607 4161 -12.3 -22.3 43 10.0 -14.7 215 17 300.9 301.1 283.1 304.3 1.05 16 500 5610 -23.1 -27.3 68 4.2 -23.9 250 25 304.9 305.0 284.4 307.6 0.81 17 446 6435 -29.7 -33.3 71 3.6 -30.2 255 28 306.7 306.8 284.7 308.5 0.52 18 400 7200 -35.7 -39.1 71 3.4 -36.0 260 31 308.6 308.7 285.2 309.7 0.32 19 359 7945 -41.3 -44.7 70 3.4 -41.5 258 32 310.8 310.8 285.8 311.5 0.20 20 300 9140 -51.7 -55.3 65 3.6 -51.8 255 33 312.5 312.5 286.3 312.7 0.07 21 250 10290 -61.5 -65.2 61 3.7 -61.6 250 35 314.6 314.6 287.0 314.7 0.02 22 244 10441 -62.7 -66.7 58 4.0 -62.7 252 34 315.0 315.0 287.1 315.1 0.02 23 204 11532 -69.3 -73.4 55 4.1 -69.3 264 26 321.2 321.2 289.1 321.2 0.01 24 200 11650 -69.9 -73.9 56 4.0 -69.9 265 25 322.1 322.1 289.4 322.1 0.01 25 182 12208 -71.9 -75.7 57 3.8 -71.9 255 25 327.6 327.6 291.0 327.6 0.01 26 150 13360 -67.5 -71.6 56 4.1 -67.5 260 23 353.8 353.8 297.5 353.9 0.02 27 139 13819 -66.3 -70.2 58 3.9 -66.4 261 24 363.7 363.7 299.4 363.8 0.02 28 100 15800 -68.5 -72.8 54 4.3 -68.5 265 27 395.4 395.4 304.6 395.5 0.02 29 70 17930 -70.1 -74.4 53 4.3 -70.2 260 36 434.4 434.4 309.3 434.5 0.02 30 50 19920 -72.1 -76.6 51 4.5 -72.2 260 40 473.6 473.6 313.0 473.7 0.02 31 30 22920 -74.5 -79.1 49 4.6 -74.6 255 48 541.5 541.6 317.6 541.7 0.03 32 21 24985 -76.4 -81.2 47 4.8 -76.5 265 64 593.9 593.9 320.3 594.0 0.03 33 20 25266 -76.7 -81.5 46 4.8 -76.8 601.4 601.4 320.7 601.6 0.03 TRP 182 12208 -71.9 -75.7 57 3.8 -71.9 255 25 327.6 327.6 291.0 327.6 0.01 WND 21 24985 -76.4 -81.2 47 4.8 -76.5 265 64 593.9 593.9 320.3 594.0 0.03 Sounding variables and indices 1000-500 mb thick: 5384.00 m Freezing level: Surface below freezing Freezing level: 916.60 mb = 918.94 m = 3014.87 ft Freezing level: 891.36 mb = 1147.44 m = 3764.53 ft Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 54.42 % Est. max temperature: 12.31 C = 54.16 F Sfc-Lift cond lev (LCL): 961.17 mb = 541.46 m = 1776.41 ft T: -3.37 C 700-500 lapse rate: 6.82 C/km ThetaE index: 1.42 C Layer 952.0- 926.0 mb Conv cond level (CCL): 636.46 mb = 3797.79 m = 12459.79 ft Mean mixing ratio: 2.74 g/kg Conv temperature: 25.76 C = 78.37 F Cap Strength: 16.92 C Lifted Index: 18.42 C Risk: None Lifted Index @300 mb: 20.88 C Lifted Index @700 mb: 14.73 C Showalter Index: 11.51 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 14.40 C K Index: 5.70 Risk: None Sweat Index: 213.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.59 J/kg Max Up Vert Vel: 9.12 m/s Conv Inhibition (B-): 39854.47 J/kg Cap Strength: 18.28 C Lift Cond Lev (LCL): 899.34 mb = 1071.07 m = 3513.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 238 at 14 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 ---------------------------------------------------------- 0 998 242 160 3 -1.0 2.8 | 71 13 -12.6 -4.4 1 925 846 165 25 -6.5 24.1 | 133 25 -18.0 16.9 2 850 1523 160 19 -6.5 17.9 | 120 21 -18.1 10.6 3 700 3060 190 11 1.9 10.8 | 111 10 -9.6 3.6 4 500 5610 250 25 23.5 8.6 | 264 12 11.9 1.3 5 400 7200 260 31 30.5 5.4 | 276 19 19.0 -1.8 6 300 9140 255 33 31.9 8.5 | 266 20 20.3 1.3 7 250 10290 250 35 32.9 12.0 | 257 22 21.3 4.7 8 200 11650 265 25 24.9 2.2 | 291 14 13.3 -5.0 9 182 12208 255 25 24.1 6.5 | 273 13 12.6 -0.8 10 150 13360 260 23 22.7 4.0 | 286 12 11.1 -3.2 11 100 15800 265 27 26.9 2.4 | 288 16 15.3 -4.9 12 70 17930 260 36 35.5 6.3 | 272 24 23.9 -1.0 13 50 19920 260 40 39.4 6.9 | 271 28 27.8 -0.3 14 30 22920 255 48 46.4 12.4 | 261 35 34.8 5.2 Wind Parameters Mean winds (0-6000m): 208.0 at 18.2 knts Storm direction: 238.0 at 13.6 knts Shear (0-3000m) pos: 1.7 neg: 0.1 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 46.4 deg Storm rel helicity (0-3000m) pos: 85.1 neg: -37.1 tot: 48.0 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.99 Bulk Shear: 20.93 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 ------------------------------------------------------------------------------- 500 164 12 106 15| 18.7 0.0 18.7| 66.1 0.0 66.1 132.3 0.85| 18.8 16.1 1000 164 18 121 19| 9.4 0.4 9.8| 80.4 -17.8 62.6 62.6 0.59| 13.1 7.8 1500 163 18 121 20| 5.0 0.3 5.3| 81.7 -29.6 52.1 34.7 0.45| 10.2 4.6 2000 164 18 121 19| 3.2 0.2 3.4| 82.3 -30.2 52.1 26.0 0.39| 8.7 3.4 2500 166 17 121 18| 2.1 0.2 2.3| 82.3 -33.8 48.5 19.4 0.33| 7.6 2.5 3000 168 16 120 17| 1.7 0.1 1.9| 85.1 -37.1 48.0 16.0 0.30| 6.9 2.1 4000 177 16 125 15| 2.1 0.1 2.2|100.8 -37.1 63.7 15.9 0.41| 6.3 2.5 5000 192 17 138 12| 2.4 0.1 2.5|119.0 -37.1 81.9 16.4 0.50| 6.0 3.0 6000 208 18 161 9| 2.4 0.1 2.5|132.3 -37.1 95.2 15.9 0.51| 5.6 2.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251207.00.gif