UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 4 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 1017 12 -19.9 -25.9 59 6.0 -20.6 300 7 252.0 252.1 251.5 253.3 0.45 1 991 204 -20.3 -26.3 59 6.0 -21.0 299 9 253.5 253.6 252.7 254.7 0.45 2 979 296 -13.9 -25.9 36 12.0 -15.6 299 10 260.8 260.9 258.8 262.2 0.47 3 925 729 -12.9 -25.9 33 13.0 -14.9 297 14 266.1 266.2 262.9 267.6 0.50 4 905 895 -14.1 -26.1 35 12.0 -15.9 297 16 266.6 266.6 263.2 268.0 0.50 5 891 1014 -14.9 -25.9 39 11.0 -16.6 296 17 266.9 267.0 263.5 268.4 0.52 6 878 1126 -12.5 -23.5 39 11.0 -14.5 296 18 270.5 270.6 266.3 272.4 0.65 7 850 1373 -13.9 -23.9 43 10.0 -15.6 295 21 271.6 271.7 267.0 273.5 0.65 8 842 1445 -14.1 -24.1 42 10.0 -15.8 295 21 272.1 272.2 267.4 274.0 0.65 9 830 1554 -11.9 -21.9 43 10.0 -13.9 294 21 275.5 275.7 269.8 277.9 0.80 10 806 1779 -11.7 -21.7 43 10.0 -13.7 292 22 278.1 278.2 271.5 280.6 0.84 11 773 2098 -14.1 -23.1 46 9.0 -15.8 290 23 278.8 279.0 271.8 281.1 0.77 12 751 2316 -15.9 -23.9 50 8.0 -17.3 289 24 279.2 279.3 272.0 281.4 0.74 13 700 2844 -18.1 -25.1 54 7.0 -19.3 285 25 282.4 282.6 273.8 284.6 0.71 14 644 3462 -21.1 -33.1 33 12.0 -22.7 286 25 285.9 285.9 275.1 287.0 0.37 15 632 3600 -22.3 -34.3 33 12.0 -23.7 287 26 286.0 286.1 275.2 287.1 0.33 16 582 4199 -26.9 -38.9 31 12.0 -28.0 288 26 287.5 287.5 275.7 288.2 0.23 17 570 4349 -27.9 -39.9 31 12.0 -28.9 288 26 288.0 288.1 276.0 288.7 0.21 18 522 4976 -30.7 -51.7 11 21.0 -31.9 289 27 292.0 292.0 277.7 292.2 0.06 19 500 5280 -33.3 -49.3 19 16.0 -34.2 290 27 292.4 292.5 278.0 292.7 0.09 20 400 6810 -45.1 -58.1 22 13.0 -45.4 280 31 296.4 296.4 279.8 296.5 0.04 21 300 8670 -60.3 -68.3 34 8.0 -60.4 275 29 300.3 300.3 281.5 300.4 0.01 22 287 8943 -62.7 -69.7 38 7.0 -62.7 276 29 300.7 300.7 281.7 300.8 0.01 23 250 9780 -66.9 -71.1 55 4.2 -66.9 280 31 306.6 306.6 284.1 306.6 0.01 24 248 9829 -67.1 -71.3 55 4.2 -67.1 275 31 307.0 307.0 284.2 307.1 0.01 25 227 10367 -63.7 -71.7 33 8.0 -63.8 265 30 320.1 320.1 288.8 320.1 0.01 26 212 10784 -65.9 -74.9 27 9.0 -66.0 257 30 323.0 323.0 289.7 323.0 0.01 27 200 11140 -63.9 -75.9 18 12.0 -64.0 250 29 331.6 331.6 292.2 331.6 0.01 28 188 11522 -62.7 -78.7 10 16.0 -62.8 246 28 339.4 339.4 294.2 339.4 0.00 29 186 11588 -62.7 -79.7 8 17.0 -62.8 245 27 340.5 340.5 294.4 340.5 0.00 30 160 12526 -59.9 -80.9 5 21.0 -60.1 234 24 360.2 360.2 298.7 360.2 0.00 31 150 12930 -60.5 -84.5 3 24.0 -60.7 230 23 365.9 365.9 299.8 365.9 0.00 32 143 13228 -59.9 -85.9 2 26.0 -60.1 231 23 371.9 371.9 300.9 371.9 0.00 33 101 15388 -61.9 -90.9 1 29.0 -62.1 235 21 407.0 407.0 306.1 407.0 0.00 34 100 15450 -61.7 -90.7 1 29.0 -61.9 235 21 408.5 408.5 306.3 408.5 0.00 35 87 16311 -61.7 -90.7 1 29.0 -62.0 233 19 425.1 425.1 308.3 425.1 0.00 36 81 16751 -64.5 -92.5 1 28.0 -64.7 232 17 428.1 428.1 308.6 428.1 0.00 37 70 17640 -65.3 -93.3 1 28.0 -65.5 230 15 444.7 444.7 310.3 444.7 0.00 38 50 19670 -68.1 -95.1 1 27.0 -68.3 25 5 483.0 483.0 313.7 483.0 0.00 39 43 20577 -67.1 -94.1 1 27.0 -67.4 21 10 506.8 506.8 315.4 506.8 0.00 40 30 22730 -70.5 -96.5 1 26.0 -70.8 10 23 552.4 552.4 318.2 552.5 0.00 41 26 23573 -72.9 -98.9 1 26.0 -73.1 10 29 568.7 568.7 319.1 568.7 0.00 42 20 25120 -70.5 -96.5 1 26.0 -70.9 10 40 620.4 620.4 321.5 620.4 0.00 43 18 25746 -72.3 -98.3 1 26.0 -72.6 12 47 633.7 633.7 322.0 633.7 0.00 44 10 29260 -67.1 -94.1 1 27.0 -68.1 20 83 769.1 769.1 326.4 769.1 0.01 45 6.0 32388 -61.1 -89.9 1 28.8 -64.1 20 126 916.0 916.0 329.7 916.2 0.02 46 5.7 32707 -60.5 -89.5 1 29.0 -63.8 932.1 932.2 330.0 932.4 0.02 TRP 248 9829 -67.1 -71.3 55 4.2 -67.1 275 31 307.0 307.0 284.2 307.1 0.01 WND 6.0 32388 -61.1 -89.9 1 28.8 -64.1 20 126 916.0 916.0 329.7 916.2 0.02 Sounding variables and indices 1000-500 mb thick: 5142.73 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 37.33 % Est. max temperature: -0.90 C = 30.38 F Sfc-Lift cond lev (LCL): 921.03 mb = 761.54 m = 2498.47 ft T: -13.14 C 700-500 lapse rate: 6.24 C/km ThetaE index: 0.00 C Layer 1017.0- -0.0 mb Conv cond level (CCL): 503.35 mb = 5232.88 m = 17168.05 ft Mean mixing ratio: 0.48 g/kg Conv temperature: 20.64 C = 69.14 F Cap Strength: 25.30 C Lifted Index: 25.33 C Risk: None Lifted Index @300 mb: 27.45 C Lifted Index @700 mb: 19.38 C Showalter Index: 15.78 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 9.40 C K Index: -11.50 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 4.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.98 J/kg Max Up Vert Vel: 11.57 m/s Conv Inhibition (B-): 65728.94 J/kg Cap Strength: 25.35 C Lift Cond Lev (LCL): 812.89 mb = 1713.77 m = 5622.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 at 17 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 1017 12 300 7 6.1 -3.5 | 152 11 -5.1 9.5 1 850 1373 295 21 19.0 -8.9 | 242 9 7.8 4.1 2 700 2844 285 25 24.1 -6.5 | 243 14 12.9 6.5 3 500 5280 290 27 25.4 -9.2 | 255 15 14.2 3.8 4 400 6810 280 31 30.5 -5.4 | 249 21 19.3 7.6 5 300 8670 275 29 28.9 -2.5 | 239 21 17.7 10.5 6 250 9780 280 31 30.5 -5.4 | 249 21 19.3 7.6 7 248 9829 275 31 30.9 -2.7 | 242 22 19.7 10.3 8 200 11140 250 29 27.3 9.9 | 215 28 16.1 22.9 9 150 12930 230 23 17.6 14.8 | 193 29 6.4 27.8 10 100 15450 235 21 17.2 12.0 | 193 26 6.0 25.0 11 70 17640 230 15 11.5 9.6 | 181 23 0.3 22.6 12 50 19670 25 5 -2.1 -4.5 | 122 16 -13.3 8.5 13 30 22730 10 23 -4.0 -22.7 | 58 18 -15.2 -9.7 14 20 25120 10 40 -6.9 -39.4 | 35 32 -18.1 -26.4 15 10 29260 20 83 -28.4 -78.0 | 31 76 -39.6 -65.0 Wind Parameters Mean winds (0-6000m): 289.2 at 22.9 knts Storm direction: 319.2 at 17.2 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 92.5 deg Storm rel helicity (0-3000m) pos: 25.2 neg: -0.4 tot: 24.8 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.64 Bulk Shear: 25.32 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 ------------------------------------------------------------------------------- 500 297 9 161 9| 0.0 5.3 5.3| 8.6 0.0 8.6 17.1 0.72| 5.3 3.8 1000 297 12 176 8| 0.0 5.3 5.3| 17.4 0.0 17.4 17.4 0.84| 5.3 4.5 1500 296 15 196 7| 0.0 4.9 4.9| 24.0 0.0 24.0 16.0 0.82| 5.0 4.1 2000 295 16 211 7| 0.0 4.1 4.1| 24.4 0.0 24.4 12.2 0.73| 4.2 3.1 2500 293 18 221 8| 0.0 3.6 3.6| 24.5 -0.1 24.4 9.7 0.66| 3.8 2.5 3000 292 19 227 9| 0.0 3.2 3.2| 25.2 -0.4 24.8 8.3 0.61| 3.4 2.1 4000 290 21 234 10| 0.2 2.4 2.5| 29.9 -0.4 29.5 7.4 0.64| 2.7 1.7 5000 290 22 239 11| 0.3 1.9 2.2| 34.7 -0.4 34.3 6.9 0.66| 2.3 1.5 6000 289 23 242 12| 0.2 1.8 2.0| 35.9 -4.0 31.9 5.3 0.55| 2.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251204.11.gif