UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 9 DEC 25 Station: BGDH WMO ident: 4320 Latitude: 76.77 Longitude: -18.67 Elevation: 12.00 ------------------------------------------------------------------------------- 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 1021 12 21.0 17.0 78 4.0 18.4 0 0 292.4 294.5 290.7 326.5 12.02 1 430 6286 -44.1 -60.1 15 16.0 -44.5 179 17 291.6 291.6 277.5 291.7 0.03 2 429 6301 -44.1 -60.1 15 16.0 -44.5 179 17 291.8 291.8 277.6 291.9 0.03 3 400 6750 -47.1 -62.1 16 15.0 -47.4 185 13 293.8 293.8 278.6 293.9 0.02 4 363 7386 -51.7 -63.7 22 12.0 -51.9 200 10 295.9 295.9 279.6 296.0 0.02 5 300 8610 -55.9 -68.9 18 13.0 -56.1 230 5 306.6 306.6 284.0 306.6 0.01 6 268 9323 -58.3 -68.3 27 10.0 -58.4 236 7 313.1 313.1 286.5 313.2 0.01 7 250 9760 -57.9 -71.9 15 14.0 -58.0 240 9 320.0 320.0 288.8 320.0 0.01 8 226 10398 -57.1 -77.1 6 20.0 -57.3 256 13 330.6 330.6 291.9 330.6 0.00 9 212 10802 -57.7 -77.7 6 20.0 -57.9 266 15 335.7 335.7 293.3 335.8 0.00 10 200 11170 -57.9 -78.9 5 21.0 -58.1 275 17 341.1 341.1 294.6 341.1 0.00 11 150 12980 -58.7 -87.7 1 29.0 -58.9 265 17 368.9 368.9 300.4 369.0 0.00 12 120 14368 -62.9 -91.9 1 29.0 -63.1 276 19 385.6 385.6 303.1 385.6 0.00 13 101 15429 -63.1 -92.1 1 29.0 -63.3 285 21 404.7 404.7 305.8 404.7 0.00 14 100 15490 -63.1 -92.1 1 29.0 -63.3 285 21 405.8 405.8 306.0 405.8 0.00 15 90 16135 -62.9 -91.9 1 29.0 -63.1 282 24 418.6 418.6 307.6 418.6 0.00 16 77 17079 -68.1 -95.1 1 27.0 -68.2 278 28 426.9 426.9 308.5 426.9 0.00 17 70 17650 -67.7 -94.7 1 27.0 -67.8 275 31 439.5 439.5 309.8 439.6 0.00 18 53 19322 -68.5 -95.5 1 27.0 -68.7 283 26 474.1 474.1 313.0 474.1 0.00 19 50 19670 -69.7 -96.7 1 27.0 -69.9 285 25 479.2 479.2 313.4 479.2 0.00 20 30 22650 -76.3 -101.3 1 25.0 -76.4 290 33 536.6 536.6 317.3 536.6 0.00 21 20 24980 -77.9 -101.9 1 24.0 -78.0 295 42 597.7 597.7 320.5 597.7 0.00 22 17 25907 -79.5 -103.5 1 24.0 -79.6 297 44 621.0 621.0 321.5 621.0 0.00 23 10 28920 -79.5 -103.5 1 24.0 -79.7 305 50 722.8 722.8 325.1 722.8 0.00 24 9.0 29519 -78.4 -102.7 1 24.3 -78.7 305 68 749.1 749.1 325.9 749.1 0.00 25 5.1 32808 -72.5 -98.5 1 26.0 -73.5 908.0 908.0 329.6 908.0 0.00 TRP 700 -21.9 -23.2 89 1.3 -22.1 170 36 278.2 278.4 271.6 280.7 0.84 WND 9.0 29519 -78.4 -102.7 1 24.3 -78.7 305 68 749.1 749.1 325.9 749.1 0.00 Sounding variables and indices 1000-500 mb thick: 5028.77 m Freezing level: 830.35 mb = 2035.79 m = 6679.03 ft Wetbulb zero: 848.26 mb = 1356.75 m = 4451.24 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 52.32 % Est. max temperature: 22.16 C = 71.88 F Sfc-Lift cond lev (LCL): 962.65 mb = 438.93 m = 1440.03 ft T: 16.57 C 700-500 lapse rate: 10.38 C/km Conv cond level (CCL): 430.00 mb = 6285.76 m = 20622.32 ft Mean mixing ratio: 23.73 g/kg Conv temperature: 94.38 C = 201.89 F Cap Strength: -4.45 C Lifted Index: -31.83 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -30.61 C Lifted Index @700 mb: -19.56 C Showalter Index: -8.86 C Risk: Severe thunderstorms probable Total Totals Index: 73.35 C Risk: Severe Thunderstorms probable Vertical Totals Index: 39.95 C Cross Totals Index: 33.40 C K Index: 31.37 Risk: 60-80 % chance of thunderstorms Sweat Index: 515.98 Risk: Severe Thunderstorms possible Energy Index: -3.37 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 168510.88 J/kg Max Up Vert Vel: 580.54 m/s Conv Inhibition (B-): 636.01 J/kg Cap Strength: 3.40 C Lift Cond Lev (LCL): 1190.15 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 at 22 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 ---------------------------------------------------------- 0 700 3027 170 36 -6.3 35.5 | 137 19 -13.3 14.2 1 1021 12 0 0 -0.0 -0.0 | 18 22 -7.0 -21.3 2 850 1377 170 21 -3.6 20.7 | 87 11 -10.7 -0.6 3 700 2824 170 36 -6.3 35.5 | 137 19 -13.3 14.2 4 500 5240 165 25 -6.5 24.1 | 102 14 -13.5 2.8 5 400 6750 185 13 1.1 13.0 | 35 10 -5.9 -8.3 6 300 8610 230 5 3.8 3.2 | 10 18 -3.2 -18.1 7 250 9760 240 9 7.8 4.5 | 357 17 0.7 -16.8 8 200 11170 275 17 16.9 -1.5 | 337 25 9.9 -22.8 9 150 12980 265 17 16.9 1.5 | 333 22 9.9 -19.8 10 100 15490 285 21 20.3 -5.4 | 334 30 13.2 -26.7 11 70 17650 275 31 30.9 -2.7 | 315 34 23.8 -24.0 12 50 19670 285 25 24.1 -6.5 | 328 33 17.1 -27.8 13 30 22650 290 33 31.0 -11.3 | 324 40 24.0 -32.6 14 20 24980 295 42 38.1 -17.7 | 322 50 31.0 -39.0 15 10 28920 305 50 41.0 -28.7 | 326 60 33.9 -50.0 Wind Parameters Mean winds (0-6000m): 168.3 at 29.9 knts Storm direction: 198.3 at 22.4 knts Storm rel Dir Shear (0-3000m): 0.0 deg Energy-Hel index: -10530.88 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 169 38 138 21| | | 5000 168 33 129 18| | | 6000 168 30 121 15| | | Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251209.23.gif