UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121211.upa.cvt Date: 1100Z 12 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 12 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 1011 12 -24.7 -28.0 74 3.3 -25.0 310 3 247.7 247.7 247.4 248.7 0.38 1 991 159 -17.1 -23.1 60 6.0 -18.0 298 5 256.7 256.8 255.8 258.4 0.60 2 972 304 -13.9 -23.9 43 10.0 -15.4 286 6 261.4 261.5 259.5 263.0 0.57 3 945 518 -11.5 -23.5 36 12.0 -13.6 269 8 265.9 266.0 263.0 267.7 0.61 4 922 706 -12.5 -24.5 36 12.0 -14.5 254 10 266.8 266.9 263.5 268.4 0.57 5 899 899 -9.3 -23.3 31 14.0 -12.0 239 12 272.0 272.1 267.3 273.9 0.65 6 892 959 -8.3 -22.3 31 14.0 -11.2 234 13 273.7 273.8 268.5 275.8 0.72 7 850 1331 -9.7 -22.7 34 13.0 -12.3 205 17 276.0 276.1 270.0 278.1 0.73 8 840 1423 -7.5 -23.5 27 16.0 -10.9 207 17 279.2 279.3 271.9 281.3 0.68 9 808 1725 -6.9 -24.9 22 18.0 -10.7 214 16 283.0 283.1 274.0 284.9 0.63 10 770 2099 -9.3 -24.3 28 15.0 -12.4 223 16 284.3 284.4 274.8 286.5 0.69 11 735 2457 -11.5 -26.5 28 15.0 -14.4 231 16 285.7 285.8 275.4 287.6 0.60 12 700 2828 -14.7 -27.7 32 13.0 -17.0 240 15 286.2 286.3 275.6 288.0 0.56 13 666 3202 -18.1 -29.1 38 11.0 -19.8 238 16 286.5 286.6 275.7 288.1 0.52 14 649 3395 -17.3 -33.3 23 16.0 -19.6 237 17 289.5 289.6 277.0 290.7 0.36 15 632 3594 -18.7 -35.7 21 17.0 -20.9 235 17 290.1 290.2 277.2 291.1 0.29 16 590 4103 -21.3 -35.3 27 14.0 -23.1 232 19 292.9 292.9 278.6 293.9 0.32 17 582 4204 -21.9 -34.9 30 13.0 -23.5 232 19 293.3 293.4 278.8 294.4 0.34 18 545 4683 -26.1 -43.1 19 17.0 -27.6 229 21 293.9 293.9 278.8 294.4 0.16 19 500 5300 -30.7 -37.7 50 7.0 -31.4 225 23 295.6 295.7 279.8 296.6 0.30 20 470 5736 -34.1 -39.1 61 5.0 -34.5 225 25 296.7 296.7 280.3 297.6 0.27 21 462 5856 -34.5 -39.5 60 5.0 -34.9 225 26 297.6 297.7 280.7 298.5 0.27 22 443 6150 -34.1 -35.4 88 1.3 -34.2 225 27 301.7 301.8 282.7 303.2 0.42 23 429 6374 -34.5 -38.0 70 3.5 -34.8 225 28 304.0 304.1 283.5 305.2 0.34 24 400 6860 -37.9 -41.6 68 3.7 -38.2 225 31 305.7 305.8 284.0 306.6 0.25 25 368 7428 -41.9 -44.4 77 2.5 -42.1 222 34 307.8 307.8 284.8 308.5 0.20 26 354 7690 -42.9 -49.9 46 7.0 -43.2 221 36 309.9 309.9 285.4 310.3 0.11 27 300 8780 -52.5 -56.9 59 4.4 -52.6 215 42 311.3 311.4 285.9 311.6 0.06 28 250 9930 -62.9 -67.6 53 4.7 -62.9 205 48 312.6 312.6 286.2 312.6 0.02 29 230 10439 -65.9 -70.2 55 4.3 -65.9 225 44 315.5 315.5 287.3 315.6 0.01 30 217 10793 -64.7 -68.3 61 3.6 -64.7 229 41 322.7 322.7 289.6 322.8 0.02 31 205 11145 -58.7 -68.7 26 10.0 -58.8 233 37 337.4 337.4 293.7 337.5 0.02 32 200 11300 -59.7 -72.7 17 13.0 -59.8 235 36 338.2 338.2 293.9 338.3 0.01 33 180 11955 -62.3 -76.3 14 14.0 -62.4 224 31 344.3 344.3 295.4 344.4 0.01 34 167 12425 -56.3 -73.3 10 17.0 -56.6 216 27 361.8 361.8 299.1 361.8 0.01 35 158 12775 -59.1 -83.1 3 24.0 -59.3 210 24 362.8 362.8 299.2 362.8 0.00 36 152 13017 -60.7 -82.7 4 22.0 -60.9 206 22 364.1 364.1 299.5 364.1 0.00 37 150 13100 -60.1 -81.1 5 21.0 -60.3 205 21 366.5 366.5 299.9 366.6 0.00 38 113 14858 -62.1 -91.1 1 29.0 -62.3 226 29 393.7 393.7 304.3 393.7 0.00 39 101 15557 -58.3 -88.3 1 30.0 -58.7 234 33 413.9 413.9 307.0 413.9 0.00 40 100 15620 -58.5 -88.5 1 30.0 -58.9 235 33 414.7 414.7 307.1 414.7 0.00 41 73 17564 -66.1 -94.1 1 28.0 -66.3 248 31 437.7 437.7 309.6 437.7 0.00 42 70 17820 -64.1 -92.1 1 28.0 -64.4 250 31 447.3 447.3 310.6 447.3 0.00 43 50 19860 -67.7 -94.7 1 27.0 -67.9 265 38 484.0 484.0 313.8 484.0 0.00 44 43 20761 -70.9 -96.9 1 26.0 -71.1 268 38 497.4 497.4 314.8 497.4 0.00 45 31 22706 -69.9 -96.9 1 27.0 -70.2 274 38 548.9 548.9 318.1 548.9 0.00 46 30 22900 -71.9 -97.9 1 26.0 -72.1 275 38 548.6 548.6 318.0 548.6 0.00 47 22 24707 -76.6 -100.9 1 24.3 -76.7 260 58 585.5 585.5 319.9 585.5 0.00 48 21 24974 -77.3 -101.3 1 24.0 -77.4 591.2 591.2 320.2 591.2 0.00 TRP 230 10439 -65.9 -70.2 55 4.3 -65.9 225 44 315.5 315.5 287.3 315.6 0.01 WND 22 24707 -76.6 -100.9 1 24.3 -76.7 260 58 585.5 585.5 319.9 585.5 0.00 Sounding variables and indices 1000-500 mb thick: 5207.57 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 31.25 % Est. max temperature: 3.07 C = 37.53 F Sfc-Lift cond lev (LCL): 956.78 mb = 424.17 m = 1391.61 ft T: -12.56 C 700-500 lapse rate: 6.47 C/km Conv cond level (CCL): 495.31 mb = 5366.39 m = 17606.06 ft Mean mixing ratio: 0.57 g/kg Conv temperature: 23.55 C = 74.39 F Cap Strength: 25.89 C Lifted Index: 26.56 C Risk: None Lifted Index @300 mb: 34.02 C Lifted Index @700 mb: 21.32 C Showalter Index: 14.69 C Risk: None Total Totals Index: 29.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 8.00 C K Index: -14.70 Risk: None Sweat Index: 124.75 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 69.40 J/kg Max Up Vert Vel: 11.78 m/s Conv Inhibition (B-): 49836.34 J/kg Cap Strength: 26.54 C Lift Cond Lev (LCL): 820.70 mb = 1603.59 m = 5261.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 256 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 1011 12 310 3 2.3 -1.9 | 64 11 -10.1 -5.0 1 850 1331 205 17 7.2 15.4 | 157 13 -5.2 12.3 2 700 2828 240 15 13.0 7.5 | 188 4 0.6 4.4 3 500 5300 225 23 16.3 16.3 | 196 14 3.9 13.2 4 400 6860 225 31 21.9 21.9 | 207 21 9.5 18.8 5 300 8780 215 42 24.1 34.4 | 201 33 11.7 31.3 6 250 9930 205 48 20.3 43.5 | 191 41 7.9 40.4 7 230 10439 225 44 31.1 31.1 | 214 34 18.7 28.0 8 200 11300 235 36 29.5 20.6 | 224 25 17.1 17.6 9 150 13100 205 21 8.9 19.0 | 168 16 -3.5 15.9 10 100 15620 235 33 27.0 18.9 | 223 22 14.7 15.8 11 70 17820 250 31 29.1 10.6 | 246 18 16.7 7.5 12 50 19860 265 38 37.9 3.3 | 270 25 25.5 0.2 13 30 22900 275 38 37.9 -3.3 | 284 26 25.5 -6.4 Wind Parameters Mean winds (0-6000m): 226.0 at 17.0 knts Storm direction: 256.0 at 12.8 knts Shear (0-3000m) pos: 1.4 neg: 3.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 127.5 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -7.5 tot: 7.8 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.50 Bulk Shear: 27.72 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 ------------------------------------------------------------------------------- 500 173 5 99 13| 0.0 6.5 6.5| 0.1 -5.1 -4.9 -9.8 -0.28| 6.8 -1.9 1000 214 8 115 9| 0.0 6.9 6.9| 4.5 -5.1 -0.5 -0.5 0.23| 8.3 1.9 1500 214 11 132 9| 0.0 6.0 6.0| 6.4 -7.5 -1.1 -0.7 0.15| 8.2 1.2 2000 214 12 141 9| 0.9 4.5 5.4| 10.9 -7.5 3.5 1.7 0.19| 7.0 1.3 2500 217 13 147 9| 1.4 3.6 5.0| 13.8 -7.5 6.3 2.5 0.21| 6.3 1.3 3000 221 13 152 8| 1.4 3.0 4.4| 15.3 -7.5 7.8 2.6 0.23| 5.7 1.3 4000 225 14 162 7| 1.1 2.7 3.8| 16.5 -7.5 9.0 2.3 0.23| 4.7 1.1 5000 226 16 172 8| 0.9 2.6 3.4| 16.6 -7.9 8.7 1.7 0.20| 4.2 0.8 6000 226 17 179 9| 0.7 2.5 3.3| 22.8 -8.3 14.5 2.4 0.21| 3.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251212.11.gif