UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121123.upa.cvt Date: 2300Z 11 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 11 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 1006 12 -24.5 -27.8 74 3.3 -24.8 285 15 248.2 248.3 248.0 249.3 0.39 1 992 115 -18.5 -22.6 70 4.1 -19.1 282 16 255.2 255.3 254.6 256.9 0.63 2 978 221 -18.5 -25.5 54 7.0 -19.4 279 17 256.3 256.4 255.2 257.6 0.49 3 968 298 -14.9 -24.9 42 10.0 -16.4 277 17 260.7 260.7 258.8 262.1 0.52 4 954 409 -11.1 -26.1 28 15.0 -13.5 274 18 265.6 265.7 262.4 267.0 0.48 5 942 506 -10.1 -23.1 34 13.0 -12.5 271 19 267.6 267.7 264.2 269.4 0.63 6 895 900 -10.9 -22.9 37 12.0 -13.2 261 22 270.7 270.8 266.5 272.7 0.68 7 850 1295 -11.9 -22.9 40 11.0 -14.0 250 25 273.7 273.8 268.5 275.8 0.71 8 838 1404 -12.7 -22.7 43 10.0 -14.6 253 24 274.0 274.1 268.7 276.1 0.74 9 829 1486 -11.7 -21.7 43 10.0 -13.7 255 23 275.9 276.0 270.1 278.2 0.81 10 777 1980 -14.1 -23.1 46 9.0 -15.8 266 19 278.4 278.6 271.6 280.7 0.77 11 765 2098 -13.7 -24.7 39 11.0 -15.7 269 18 280.1 280.2 272.4 282.1 0.67 12 750 2248 -12.9 -29.9 23 17.0 -15.7 273 17 282.6 282.6 273.4 283.9 0.43 13 732 2433 -14.3 -33.3 18 19.0 -17.0 277 16 283.0 283.1 273.5 284.0 0.31 14 720 2559 -12.7 -42.7 6 30.0 -16.3 280 15 286.1 286.1 274.8 286.5 0.12 15 716 2601 -12.9 -43.9 6 31.0 -16.5 281 14 286.3 286.4 274.9 286.7 0.11 16 700 2773 -14.1 -47.1 4 33.0 -17.6 285 13 286.9 286.9 275.2 287.1 0.08 17 660 3218 -15.9 -59.9 1 44.0 -19.2 280 13 289.7 289.7 276.5 289.8 0.02 18 657 3253 -16.1 -60.1 1 44.0 -19.4 279 13 289.9 289.9 276.6 289.9 0.02 19 627 3604 -18.1 -61.1 1 43.0 -21.1 275 14 291.5 291.5 277.4 291.5 0.02 20 594 4006 -20.1 -63.1 1 43.0 -22.8 270 14 293.7 293.7 278.5 293.7 0.01 21 578 4208 -21.7 -63.7 1 42.0 -24.2 268 14 294.1 294.1 278.7 294.2 0.01 22 500 5260 -29.7 -68.7 1 39.0 -31.2 255 15 296.8 296.8 279.9 296.9 0.01 23 400 6810 -40.1 -63.1 7 23.0 -40.8 275 21 302.9 302.9 282.5 302.9 0.02 24 300 8720 -52.7 -68.7 13 16.0 -52.9 250 25 311.1 311.1 285.7 311.1 0.01 25 270 9393 -57.3 -70.3 18 13.0 -57.4 260 23 313.9 313.9 286.7 313.9 0.01 26 250 9880 -56.9 -74.9 9 18.0 -57.1 250 36 321.5 321.5 289.2 321.5 0.01 27 216 10805 -58.5 -79.5 5 21.0 -58.7 250 39 332.7 332.7 292.4 332.7 0.00 28 200 11290 -58.9 -79.9 5 21.0 -59.0 250 40 339.5 339.5 294.2 339.5 0.00 29 175 12131 -59.3 -89.3 1 30.0 -59.5 257 38 352.0 352.0 297.1 352.0 0.00 30 158 12773 -60.1 -89.1 1 29.0 -60.3 262 36 361.1 361.1 298.9 361.1 0.00 31 150 13100 -58.5 -88.5 1 30.0 -58.7 265 35 369.3 369.3 300.4 369.3 0.00 32 101 15559 -62.5 -91.5 1 29.0 -62.7 255 42 405.8 405.8 306.0 405.8 0.00 33 100 15620 -61.7 -90.7 1 29.0 -61.9 255 42 408.5 408.5 306.3 408.5 0.00 34 91 16199 -63.7 -91.7 1 28.0 -63.9 256 42 415.7 415.7 307.2 415.7 0.00 35 78 17146 -61.1 -90.1 1 29.0 -61.4 258 42 439.8 439.8 309.8 439.9 0.00 36 70 17810 -64.7 -92.7 1 28.0 -64.9 260 42 446.0 446.0 310.5 446.0 0.00 37 68 17988 -65.3 -93.3 1 28.0 -65.5 260 42 448.4 448.4 310.7 448.4 0.00 38 50 19860 -67.7 -94.7 1 27.0 -67.9 265 40 484.0 484.0 313.8 484.0 0.00 39 30 22880 -72.3 -98.3 1 26.0 -72.5 270 54 547.5 547.5 317.9 547.5 0.00 40 23 24419 -77.5 -101.5 1 24.0 -77.6 277 59 575.5 575.5 319.5 575.5 0.00 41 20 25220 -76.9 -101.9 1 25.0 -77.0 280 62 600.8 600.8 320.6 600.8 0.00 42 18 25831 -76.1 -101.1 1 25.0 -76.3 281 63 621.7 621.7 321.6 621.7 0.00 43 15 26873 -81.9 -104.9 1 23.0 -82.0 282 64 635.7 635.7 322.1 635.7 0.00 44 10 29170 -79.1 -103.1 1 24.0 -79.3 285 68 724.3 724.3 325.2 724.3 0.00 45 5.0 33147 -75.4 -100.4 1 25.0 -76.1 295 69 899.9 899.9 329.4 899.9 0.00 46 4.9 33264 -75.3 -100.3 1 25.0 -76.0 905.6 905.6 329.5 905.6 0.00 TRP 270 9393 -57.3 -70.3 18 13.0 -57.4 260 23 313.9 313.9 286.7 313.9 0.01 WND 5.0 33147 -75.4 -100.4 1 25.0 -76.1 295 69 899.9 899.9 329.4 899.9 0.00 Sounding variables and indices 1000-500 mb thick: 5203.95 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 19.43 % Est. max temperature: 0.59 C = 33.06 F Sfc-Lift cond lev (LCL): 952.07 mb = 424.67 m = 1393.26 ft T: -10.94 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.00 C Layer 1006.0-55782952777075916800.0 mb Conv cond level (CCL): 481.35 mb = 5524.08 m = 18123.41 ft Mean mixing ratio: 0.57 g/kg Conv temperature: 25.25 C = 77.45 F Cap Strength: 25.74 C Lifted Index: 26.79 C Risk: None Lifted Index @300 mb: 33.18 C Lifted Index @700 mb: 21.12 C Showalter Index: 17.57 C Risk: None Total Totals Index: 24.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 6.80 C K Index: -38.10 Risk: None Sweat Index: 100.89 Risk: None Energy Index: 4.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 84.27 J/kg Max Up Vert Vel: 12.98 m/s Conv Inhibition (B-): 70999.84 J/kg Cap Strength: 26.68 C Lift Cond Lev (LCL): 809.40 mb = 1668.39 m = 5473.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 13 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 1006 12 285 15 14.5 -3.9 | 246 3 3.0 1.3 1 850 1295 250 25 23.5 8.6 | 221 18 12.0 13.8 2 700 2773 285 13 12.6 -3.4 | 211 2 1.1 1.8 3 500 5260 255 15 14.5 3.9 | 198 10 3.0 9.1 4 400 6810 275 21 20.9 -1.8 | 250 10 9.5 3.4 5 300 8720 250 25 23.5 8.6 | 221 18 12.0 13.8 6 270 9393 260 23 22.7 4.0 | 231 14 11.2 9.2 7 250 9880 250 36 33.8 12.3 | 232 28 22.4 17.5 8 200 11290 250 40 37.6 13.7 | 234 32 26.1 18.9 9 150 13100 265 35 34.9 3.1 | 251 25 23.4 8.2 10 100 15620 255 42 40.6 10.9 | 241 33 29.1 16.1 11 70 17810 260 42 41.4 7.3 | 247 32 29.9 12.5 12 50 19860 265 40 39.8 3.5 | 253 30 28.4 8.7 13 30 22880 270 54 54.0 -0.0 | 263 43 42.5 5.2 14 20 25220 280 62 61.1 -10.8 | 276 50 49.6 -5.6 15 10 29170 285 68 65.7 -17.6 | 283 56 54.2 -12.4 Wind Parameters Mean winds (0-6000m): 264.4 at 16.8 knts Storm direction: 294.4 at 12.6 knts Shear (0-3000m) pos: 2.2 neg: 2.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -35.9 deg Storm rel helicity (0-3000m) pos: 9.7 neg: -16.5 tot: -6.8 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 121.93 Bulk Shear: 0.69 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 ------------------------------------------------------------------------------- 500 272 17 229 7| 0.0 5.7 5.7| 0.0 -1.7 -1.7 -3.4 -0.17| 5.8 -1.0 1000 267 19 229 10| 0.0 6.0 6.0| 0.0 -8.4 -8.4 -8.4 -0.26| 6.1 -1.6 1500 261 21 227 12| 0.0 4.3 4.3| 4.1 -15.4 -11.3 -7.5 -0.21| 6.2 -1.3 2000 261 21 227 12| 1.5 3.3 4.8| 9.2 -15.4 -6.2 -3.1 -0.10| 6.2 -0.6 2500 262 20 226 12| 2.3 2.6 4.9| 9.7 -15.7 -6.0 -2.4 -0.08| 6.1 -0.5 3000 263 19 225 10| 2.2 2.2 4.4| 9.7 -16.5 -6.8 -2.3 -0.10| 5.6 -0.6 4000 266 18 224 9| 1.7 2.0 3.7| 9.7 -17.0 -7.2 -1.8 -0.10| 4.6 -0.5 5000 265 17 220 9| 1.3 1.9 3.2| 9.7 -18.5 -8.7 -1.7 -0.11| 4.0 -0.5 6000 264 17 217 9| 1.0 1.6 2.6| 19.6 -19.0 0.6 0.1 -0.02| 3.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251211.23.gif