UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120423.upa.cvt Date: 2300Z 4 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 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 1020 12 -23.5 -28.5 63 5.0 -23.9 0 0 248.2 248.3 247.9 249.2 0.36 1 1000 158 -17.3 -26.3 45 9.0 -18.4 345 2 255.9 255.9 254.7 257.1 0.45 2 981 302 -15.9 -27.9 35 12.0 -17.4 331 4 258.7 258.7 256.9 259.8 0.39 3 973 364 -14.7 -25.7 39 11.0 -16.3 325 5 260.5 260.6 258.6 261.8 0.48 4 906 904 -13.1 -23.1 43 10.0 -14.8 272 14 267.5 267.6 264.2 269.4 0.66 5 889 1048 -11.9 -22.9 40 11.0 -13.9 258 16 270.2 270.3 266.1 272.2 0.68 6 850 1391 -10.9 -22.9 37 12.0 -13.2 225 21 274.7 274.8 269.2 276.8 0.71 7 840 1482 -7.9 -22.9 29 15.0 -11.1 224 21 278.8 278.9 271.7 281.0 0.72 8 820 1669 -8.5 -23.5 29 15.0 -11.6 223 21 280.1 280.2 272.4 282.2 0.70 9 775 2104 -11.7 -25.7 30 14.0 -14.3 220 20 281.2 281.3 272.9 283.1 0.61 10 743 2425 -14.1 -27.1 32 13.0 -16.3 218 20 282.0 282.1 273.3 283.7 0.56 11 700 2876 -15.5 -30.5 26 15.0 -17.9 215 19 285.3 285.4 274.9 286.7 0.43 12 690 2985 -16.1 -33.1 22 17.0 -18.6 216 19 285.8 285.9 275.0 286.9 0.34 13 635 3605 -21.7 -36.7 24 15.0 -23.4 222 18 286.3 286.4 275.2 287.2 0.26 14 625 3722 -22.7 -36.7 27 14.0 -24.2 223 18 286.5 286.5 275.3 287.3 0.26 15 585 4206 -24.9 -42.9 17 18.0 -26.5 228 17 289.4 289.4 276.6 289.9 0.15 16 574 4344 -25.5 -43.5 17 18.0 -27.1 230 17 290.3 290.3 277.0 290.7 0.14 17 500 5330 -33.9 -45.9 29 12.0 -34.6 240 15 291.7 291.7 277.7 292.1 0.13 18 491 5456 -35.1 -44.1 39 9.0 -35.7 240 16 291.8 291.8 277.8 292.3 0.16 19 469 5773 -37.7 -48.7 31 11.0 -38.2 240 17 292.4 292.4 278.0 292.7 0.10 20 428 6396 -41.9 -49.9 41 8.0 -42.2 240 21 294.8 294.8 279.1 295.1 0.09 21 400 6850 -44.5 -56.5 25 12.0 -44.9 240 23 297.2 297.2 280.1 297.3 0.05 22 359 7565 -50.5 -63.5 20 13.0 -50.7 246 22 298.4 298.4 280.7 298.5 0.02 23 305 8607 -59.5 -67.5 35 8.0 -59.6 254 21 300.0 300.1 281.4 300.1 0.01 24 300 8710 -60.1 -68.1 34 8.0 -60.2 255 21 300.6 300.6 281.6 300.7 0.01 25 250 9830 -67.7 -75.7 31 8.0 -67.7 275 15 305.4 305.4 283.5 305.4 0.01 26 241 10049 -68.9 -75.9 36 7.0 -68.9 285 17 306.8 306.8 284.1 306.9 0.01 27 236 10175 -65.7 -72.7 37 7.0 -65.7 281 17 313.5 313.5 286.6 313.6 0.01 28 213 10792 -68.5 -75.5 36 7.0 -68.5 262 14 318.5 318.5 288.2 318.5 0.01 29 211 10849 -68.9 -75.9 36 7.0 -68.9 260 14 318.7 318.7 288.3 318.7 0.01 30 200 11170 -66.3 -73.3 37 7.0 -66.4 250 13 327.8 327.8 291.1 327.8 0.01 31 166 12311 -62.9 -81.9 6 19.0 -63.0 244 18 351.4 351.4 297.0 351.4 0.00 32 161 12501 -61.3 -80.3 6 19.0 -61.4 242 19 357.2 357.2 298.1 357.2 0.00 33 150 12940 -61.9 -83.9 4 22.0 -62.0 240 21 363.4 363.4 299.4 363.5 0.00 34 141 13321 -63.7 -86.7 3 23.0 -63.8 245 19 366.8 366.8 300.0 366.8 0.00 35 135 13587 -63.7 -87.7 2 24.0 -63.8 248 18 371.4 371.4 300.8 371.4 0.00 36 120 14310 -62.5 -91.5 1 29.0 -62.7 257 14 386.3 386.3 303.2 386.3 0.00 37 104 15197 -60.3 -89.3 1 29.0 -60.6 267 10 406.6 406.6 306.1 406.6 0.00 38 101 15378 -61.3 -90.3 1 29.0 -61.6 269 9 408.1 408.1 306.3 408.1 0.00 39 100 15440 -61.5 -90.5 1 29.0 -61.7 270 9 408.9 408.9 306.4 408.9 0.00 40 70 17620 -64.7 -92.7 1 28.0 -64.9 265 13 446.0 446.0 310.5 446.0 0.00 41 50 19660 -67.1 -94.1 1 27.0 -67.3 325 1 485.4 485.4 313.9 485.4 0.00 42 30 22690 -73.1 -99.1 1 26.0 -73.3 360 25 545.4 545.4 317.8 545.4 0.00 43 20 25080 -72.7 -98.7 1 26.0 -73.0 10 52 613.6 613.6 321.2 613.6 0.00 44 10 29240 -64.9 -92.9 1 28.0 -66.2 10 97 777.3 777.3 326.7 777.3 0.01 45 6.0 32399 -59.1 -88.9 1 29.8 -62.7 25 118 924.7 924.7 329.9 924.9 0.02 46 5.7 32722 -58.5 -88.5 1 30.0 -62.5 940.9 940.9 330.2 941.2 0.03 TRP 241 10049 -68.9 -75.9 36 7.0 -68.9 285 17 306.8 306.8 284.1 306.9 0.01 WND 6.0 32399 -59.1 -88.9 1 29.8 -62.7 25 118 924.7 924.7 329.9 924.9 0.02 Sounding variables and indices 1000-500 mb thick: 5171.86 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 29.40 % Est. max temperature: 0.76 C = 33.37 F Sfc-Lift cond lev (LCL): 938.42 mb = 637.55 m = 2091.67 ft T: -13.89 C 700-500 lapse rate: 7.50 C/km ThetaE index: 0.00 C Layer 1020.0- -0.0 mb Conv cond level (CCL): 512.00 mb = 5160.61 m = 16930.93 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 19.98 C = 67.97 F Cap Strength: 25.11 C Lifted Index: 25.20 C Risk: None Lifted Index @300 mb: 28.06 C Lifted Index @700 mb: 22.45 C Showalter Index: 12.52 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 11.00 C K Index: -14.90 Risk: None Sweat Index: 114.35 Risk: None Energy Index: 3.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.00 J/kg Max Up Vert Vel: 10.68 m/s Conv Inhibition (B-): 63083.25 J/kg Cap Strength: 25.22 C Lift Cond Lev (LCL): 824.54 mb = 1626.44 m = 5336.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 256 at 12 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 1020 12 0 0 -0.0 -0.0 | 76 12 -11.8 -3.0 1 850 1391 225 21 14.8 14.8 | 194 12 3.0 11.9 2 700 2876 215 19 10.9 15.6 | 176 13 -0.9 12.6 3 500 5330 240 15 13.0 7.5 | 195 5 1.2 4.5 4 400 6850 240 23 19.9 11.5 | 224 12 8.1 8.5 5 300 8710 255 21 20.3 5.4 | 254 9 8.5 2.5 6 250 9830 275 15 14.9 -1.3 | 324 5 3.1 -4.3 7 241 10049 285 17 16.4 -4.4 | 328 9 4.6 -7.4 8 200 11170 250 13 12.2 4.4 | 196 2 0.4 1.5 9 150 12940 240 21 18.2 10.5 | 220 10 6.4 7.5 10 100 15440 270 9 9.0 -0.0 | 43 4 -2.8 -3.0 11 70 17620 265 13 13.0 1.1 | 328 2 1.1 -1.8 12 50 19660 325 1 0.6 -0.8 | 71 12 -11.2 -3.8 13 30 22690 360 25 -0.0 -25.0 | 23 30 -11.8 -28.0 14 20 25080 10 52 -9.0 -51.2 | 21 58 -20.8 -54.2 15 10 29240 10 97 -16.8 -95.5 | 16 103 -28.6 -98.5 Wind Parameters Mean winds (0-6000m): 225.8 at 16.2 knts Storm direction: 255.8 at 12.2 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 101.0 deg Storm rel helicity (0-3000m) pos: 0.5 neg: -69.0 tot: -68.5 m^2/s^2 ave: -22.8 10^-3 m/s^2 rel: -0.81 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.25 Bulk Shear: 25.30 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 ------------------------------------------------------------------------------- 500 189 3 91 11| 0.0 7.8 7.8| 0.0 -24.3 -24.3 -48.6 -0.93| 8.7 -8.1 1000 212 7 112 9| 0.0 7.8 7.8| 0.0 -39.8 -39.8 -39.8 -0.87| 10.8 -9.3 1500 225 11 142 6| 0.0 7.1 7.1| 0.0 -57.2 -57.2 -38.1 -0.81| 11.8 -9.6 2000 224 13 160 7| 0.0 5.2 5.2| 0.0 -61.6 -61.6 -30.8 -0.82| 9.2 -7.5 2500 223 15 167 8| 0.0 4.0 4.0| 0.0 -66.0 -66.0 -26.4 -0.82| 7.7 -6.3 3000 222 16 170 9| 0.0 3.2 3.2| 0.5 -69.0 -68.5 -22.8 -0.81| 6.6 -5.4 4000 221 16 173 9| 0.5 2.4 2.9| 4.3 -69.0 -64.7 -16.2 -0.71| 5.4 -3.9 5000 223 16 175 9| 0.7 1.9 2.6| 6.2 -69.0 -62.8 -12.6 -0.64| 4.7 -3.0 6000 226 16 179 8| 0.7 1.8 2.5| 9.7 -69.0 -59.4 -9.9 -0.54| 4.3 -2.3 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251204.23.gif