UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120211.upa.cvt Date: 1100Z 2 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 2 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 1012 12 -17.1 -23.1 60 6.0 -17.9 280 7 255.2 255.3 254.5 256.8 0.59 1 1001 95 -12.5 -25.5 33 13.0 -14.5 283 7 260.6 260.7 258.6 261.9 0.48 2 974 303 -13.9 -24.9 39 11.0 -15.6 291 7 261.2 261.3 259.2 262.7 0.52 3 930 652 -15.7 -23.7 50 8.0 -16.9 304 7 262.8 262.9 260.6 264.6 0.61 4 918 751 -13.1 -21.1 51 8.0 -14.6 308 7 266.5 266.6 263.7 268.7 0.77 5 900 901 -14.3 -22.3 51 8.0 -15.7 314 7 266.8 266.9 263.8 268.8 0.71 6 888 1002 -15.3 -23.3 50 8.0 -16.6 317 7 266.8 266.9 263.7 268.6 0.66 7 885 1028 -13.7 -24.7 39 11.0 -15.5 318 7 268.7 268.8 264.9 270.4 0.58 8 850 1334 -14.5 -35.5 15 21.0 -17.0 330 7 271.0 271.0 265.8 271.6 0.22 9 841 1415 -15.1 -38.1 12 23.0 -17.6 325 7 271.2 271.2 265.8 271.7 0.17 10 782 1961 -17.9 -34.9 21 17.0 -19.8 287 10 273.8 273.9 267.8 274.6 0.25 11 768 2096 -17.7 -39.7 13 22.0 -20.0 278 10 275.5 275.5 268.7 276.0 0.16 12 753 2243 -18.7 -41.7 11 23.0 -20.9 268 11 276.0 276.0 268.9 276.4 0.13 13 717 2608 -19.3 -39.3 15 20.0 -21.4 242 12 279.2 279.2 271.0 279.8 0.18 14 700 2786 -20.5 -40.5 15 20.0 -22.4 230 13 279.8 279.8 271.3 280.3 0.16 15 677 3032 -22.7 -40.7 18 18.0 -24.4 231 14 280.0 280.0 271.5 280.5 0.16 16 663 3186 -22.3 -39.3 20 17.0 -23.9 232 15 282.1 282.2 272.8 282.8 0.19 17 626 3605 -25.3 -44.3 15 19.0 -26.8 235 17 283.4 283.4 273.3 283.8 0.12 18 587 4070 -27.5 -34.5 51 7.0 -28.2 238 19 286.1 286.1 275.2 287.2 0.35 19 586 4082 -27.5 -34.5 51 7.0 -28.2 238 19 286.2 286.3 275.3 287.3 0.35 20 576 4206 -27.7 -35.7 46 8.0 -28.5 239 20 287.4 287.5 275.9 288.4 0.32 21 556 4460 -28.9 -39.9 34 11.0 -29.9 240 21 288.9 288.9 276.5 289.6 0.21 22 543 4628 -30.1 -43.1 27 13.0 -31.0 241 22 289.4 289.5 276.6 290.0 0.16 23 500 5210 -34.9 -46.9 28 12.0 -35.5 245 25 290.5 290.5 277.1 290.9 0.11 24 451 5917 -41.1 -47.1 52 6.0 -41.3 245 30 291.4 291.4 277.6 291.8 0.12 25 438 6115 -42.3 -54.3 26 12.0 -42.7 245 32 292.3 292.3 277.9 292.5 0.05 26 400 6720 -46.9 -55.9 35 9.0 -47.1 245 36 294.0 294.0 278.7 294.2 0.05 27 357 7463 -53.1 -60.1 42 7.0 -53.2 241 36 295.4 295.4 279.3 295.6 0.03 28 300 8570 -58.5 -67.5 30 9.0 -58.6 235 35 302.9 302.9 282.5 302.9 0.01 29 277 9071 -61.7 -68.7 39 7.0 -61.7 240 35 305.3 305.3 283.5 305.3 0.01 30 250 9710 -61.3 -68.3 39 7.0 -61.4 240 35 314.9 314.9 287.1 315.0 0.02 31 235 10095 -59.3 -77.3 8 18.0 -59.5 240 32 323.6 323.6 289.9 323.6 0.00 32 220 10509 -57.1 -80.1 4 23.0 -57.3 240 28 333.1 333.1 292.6 333.1 0.00 33 210 10802 -57.3 -86.3 1 29.0 -57.5 240 26 337.3 337.3 293.6 337.3 0.00 34 200 11110 -57.1 -85.1 2 28.0 -57.3 240 23 342.3 342.3 294.9 342.3 0.00 35 158 12601 -56.1 -87.1 1 31.0 -56.4 236 20 367.9 367.9 300.2 367.9 0.00 36 150 12930 -56.7 -86.7 1 30.0 -57.0 235 19 372.4 372.4 301.0 372.4 0.00 37 101 15418 -62.1 -91.1 1 29.0 -62.3 220 21 406.6 406.6 306.1 406.6 0.00 38 100 15480 -62.5 -91.5 1 29.0 -62.7 220 21 407.0 407.0 306.1 407.0 0.00 39 81 16770 -66.1 -94.1 1 28.0 -66.2 247 16 424.9 424.9 308.3 424.9 0.00 40 74 17321 -64.3 -92.3 1 28.0 -64.6 258 14 439.8 439.8 309.8 439.8 0.00 41 70 17660 -65.7 -93.7 1 28.0 -65.9 265 13 443.8 443.8 310.3 443.8 0.00 42 54 19220 -68.5 -95.5 1 27.0 -68.7 277 8 471.6 471.6 312.8 471.6 0.00 43 50 19680 -67.9 -94.9 1 27.0 -68.1 280 7 483.5 483.5 313.7 483.5 0.00 44 31 22553 -69.7 -96.7 1 27.0 -69.9 14 18 549.5 549.5 318.1 549.5 0.00 45 30 22750 -68.7 -95.7 1 27.0 -69.0 20 19 557.4 557.4 318.5 557.4 0.00 46 20 25170 -68.9 -95.9 1 27.0 -69.4 45 38 625.3 625.3 321.7 625.3 0.00 47 18 25805 -67.1 -94.1 1 27.0 -67.7 43 44 650.1 650.1 322.7 650.1 0.00 48 15 26901 -69.5 -96.5 1 27.0 -70.1 41 54 676.9 676.9 323.7 676.9 0.00 49 10 29360 -63.5 -91.5 1 28.0 -65.1 35 77 782.5 782.5 326.8 782.6 0.01 50 7.0 31578 -58.2 -88.1 1 29.9 -61.7 35 132 888.6 888.6 329.2 888.8 0.02 51 5.7 32881 -55.1 -86.1 1 31.0 -60.3 955.8 955.8 330.4 956.2 0.04 TRP 277 9071 -61.7 -68.7 39 7.0 -61.7 240 35 305.3 305.3 283.5 305.3 0.01 WND 7.0 31578 -58.2 -88.1 1 29.9 -61.7 35 132 888.6 888.6 329.2 888.8 0.02 Sounding variables and indices 1000-500 mb thick: 5107.76 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 27.64 % Est. max temperature: -2.07 C = 28.28 F Sfc-Lift cond lev (LCL): 917.20 mb = 757.20 m = 2484.22 ft T: -13.15 C 700-500 lapse rate: 5.94 C/km ThetaE index: 0.15 C Layer 888.0- 885.0 mb Conv cond level (CCL): 541.91 mb = 4642.61 m = 15231.47 ft Mean mixing ratio: 0.57 g/kg Conv temperature: 17.29 C = 63.13 F Cap Strength: 21.91 C Lifted Index: 22.21 C Risk: None Lifted Index @300 mb: 27.91 C Lifted Index @700 mb: 15.37 C Showalter Index: 15.65 C Risk: None Total Totals Index: 19.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: -0.60 C K Index: -35.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 4.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.62 J/kg Max Up Vert Vel: 6.42 m/s Conv Inhibition (B-): 73286.35 J/kg Cap Strength: 22.16 C Lift Cond Lev (LCL): 819.20 mb = 1611.87 m = 5288.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 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 1012 12 280 7 6.9 -1.2 | 97 5 -4.6 0.6 1 850 1334 330 7 3.5 -6.1 | 62 9 -8.0 -4.3 2 700 2786 230 13 10.0 8.4 | 171 10 -1.6 10.1 3 500 5210 245 25 22.7 10.6 | 222 17 11.1 12.3 4 400 6720 245 36 32.6 15.2 | 231 27 21.1 17.0 5 300 8570 235 35 28.7 20.1 | 218 28 17.2 21.8 6 277 9071 240 35 30.3 17.5 | 224 27 18.8 19.3 7 250 9710 240 35 30.3 17.5 | 224 27 18.8 19.3 8 200 11110 240 23 19.9 11.5 | 212 16 8.4 13.3 9 150 12930 235 19 15.6 10.9 | 198 13 4.1 12.7 10 100 15480 220 21 13.5 16.1 | 186 18 2.0 17.9 11 70 17660 265 13 13.0 1.1 | 206 3 1.4 2.9 12 50 19680 280 7 6.9 -1.2 | 97 5 -4.6 0.6 13 30 22750 20 19 -6.5 -17.9 | 48 24 -18.0 -16.1 14 20 25170 45 38 -26.9 -26.9 | 57 46 -38.4 -25.1 15 10 29360 35 77 -44.2 -63.1 | 42 83 -55.7 -61.3 Wind Parameters Mean winds (0-6000m): 248.8 at 15.5 knts Storm direction: 278.8 at 11.6 knts Shear (0-3000m) pos: 0.8 neg: 2.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 80.5 deg Storm rel helicity (0-3000m) pos: 5.5 neg: -8.0 tot: -2.5 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.33 Bulk Shear: 15.50 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 ------------------------------------------------------------------------------- 500 286 7 88 5| 2.4 0.0 2.4| 0.0 -2.7 -2.7 -5.4 -0.88| 2.4 -2.1 1000 298 7 74 6| 2.3 0.0 2.3| 0.0 -4.6 -4.6 -4.6 -0.68| 2.4 -1.6 1500 307 7 67 6| 1.6 0.3 1.8| 0.0 -6.3 -6.3 -4.2 -0.51| 2.6 -1.3 2000 304 7 66 6| 1.2 1.5 2.6| 0.8 -6.7 -5.9 -3.0 -0.24| 3.4 -0.8 2500 291 8 74 4| 0.9 2.3 3.3| 2.8 -6.7 -4.0 -1.6 0.02| 4.2 0.1 3000 274 9 113 3| 0.8 2.6 3.4| 5.5 -8.0 -2.5 -0.8 0.03| 4.4 0.1 4000 256 11 167 4| 0.5 2.0 2.5| 20.1 -8.0 12.1 3.0 0.18| 4.0 0.7 5000 251 13 188 6| 0.9 1.6 2.5| 37.2 -8.0 29.2 5.8 0.28| 3.7 1.0 6000 249 16 202 8| 1.0 1.6 2.6| 50.9 -8.0 43.0 7.2 0.30| 3.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251202.11.gif