UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041511.upa.cvt Date: 1100Z 15 APR 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 15 APR 25 Station: BGSC WMO ident: 4339 Latitude: 70.48 Longitude: -21.95 Elevation: 69.00 ------------------------------------------------------------------------------- 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 1013 69 -12.9 -18.9 61 6.0 -14.0 10 13 259.3 259.4 258.3 261.6 0.85 1 983 297 -14.7 -20.7 60 6.0 -15.7 4 12 259.7 259.8 258.5 261.8 0.75 2 939 643 -16.7 -21.0 69 4.3 -17.4 355 10 261.1 261.2 259.6 263.2 0.76 3 907 903 -16.5 -23.5 55 7.0 -17.6 348 8 263.9 264.0 261.5 265.7 0.63 4 897 987 -15.9 -21.9 60 6.0 -16.9 346 7 265.4 265.5 262.8 267.5 0.74 5 878 1148 -15.5 -22.5 55 7.0 -16.7 341 6 267.4 267.5 264.3 269.5 0.71 6 865 1261 -14.7 -25.7 39 11.0 -16.4 338 6 269.4 269.5 265.3 271.0 0.54 7 850 1393 -15.7 -28.7 32 13.0 -17.6 335 5 269.7 269.8 265.3 270.9 0.42 8 831 1563 -17.1 -24.1 55 7.0 -18.2 335 5 270.0 270.1 265.9 271.9 0.65 9 825 1617 -17.5 -23.5 59 6.0 -18.5 335 5 270.1 270.2 266.1 272.1 0.70 10 805 1801 -17.7 -23.7 59 6.0 -18.7 335 6 271.8 271.9 267.3 273.8 0.70 11 774 2095 -16.9 -29.9 31 13.0 -18.7 335 6 275.7 275.8 269.3 277.0 0.41 12 738 2453 -16.9 -40.9 11 24.0 -19.4 335 6 279.5 279.5 271.1 280.0 0.15 13 719 2648 -17.7 -44.7 8 27.0 -20.3 335 7 280.7 280.7 271.8 281.1 0.10 14 700 2848 -18.7 -39.7 14 21.0 -21.0 335 7 281.8 281.8 272.5 282.3 0.17 15 654 3353 -20.9 -46.9 8 26.0 -23.1 340 9 284.8 284.8 274.0 285.1 0.09 16 632 3605 -21.9 -36.9 24 15.0 -23.6 343 10 286.5 286.5 275.3 287.3 0.26 17 600 3987 -23.1 -29.1 58 6.0 -24.0 346 12 289.4 289.5 277.3 291.2 0.57 18 583 4197 -24.7 -27.9 75 3.2 -25.2 349 12 289.9 290.0 277.6 292.0 0.66 19 542 4724 -27.7 -29.7 83 2.0 -28.0 354 15 292.4 292.5 278.8 294.4 0.60 20 500 5300 -31.3 -36.0 63 4.7 -31.7 360 17 294.9 294.9 279.6 296.1 0.35 21 470 5736 -33.7 -41.7 44 8.0 -34.3 6 22 297.2 297.2 280.4 297.9 0.21 22 447 6086 -36.5 -42.5 54 6.0 -36.9 10 27 297.9 298.0 280.7 298.6 0.20 23 432 6322 -37.5 -49.5 28 12.0 -38.1 13 29 299.6 299.6 281.3 299.9 0.10 24 410 6682 -39.7 -51.7 27 12.0 -40.2 18 34 301.3 301.3 282.0 301.5 0.08 25 400 6850 -41.1 -50.1 37 9.0 -41.5 20 36 301.6 301.6 282.1 301.9 0.10 26 358 7593 -47.1 -52.1 56 5.0 -47.3 22 38 303.2 303.3 282.8 303.6 0.09 27 300 8740 -55.1 -62.1 42 7.0 -55.2 25 40 307.7 307.7 284.5 307.8 0.03 28 294 8869 -55.7 -62.7 41 7.0 -55.8 25 38 308.6 308.6 284.8 308.7 0.03 29 250 9910 -52.3 -81.3 2 29.0 -52.6 10 21 328.3 328.3 291.2 328.3 0.00 30 218 10802 -48.3 -81.3 1 33.0 -48.8 31 14 347.6 347.6 296.1 347.6 0.00 31 200 11370 -47.3 -80.3 1 33.0 -48.0 45 9 357.9 357.9 298.3 357.9 0.00 32 187 11814 -45.5 -79.5 1 34.0 -46.3 34 7 367.7 367.7 300.2 367.7 0.00 33 150 13280 -44.9 -78.9 1 34.0 -46.0 0 0 392.7 392.7 304.2 392.7 0.01 34 136 13935 -44.1 -78.1 1 34.0 -45.4 5 1 405.3 405.3 305.9 405.3 0.01 35 101 15914 -47.5 -80.5 1 33.0 -48.7 20 3 434.7 434.7 309.3 434.7 0.01 36 100 15980 -47.5 -80.5 1 33.0 -48.7 20 3 435.9 436.0 309.4 436.0 0.01 TRP 294 8869 -55.7 -62.7 41 7.0 -55.8 25 38 308.6 308.6 284.8 308.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5132.89 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 47.08 % Est. max temperature: -2.72 C = 27.11 F Sfc-Lift cond lev (LCL): 919.12 mb = 803.43 m = 2635.88 ft T: -16.58 C 700-500 lapse rate: 5.14 C/km ThetaE index: 0.04 C Layer 850.0- 831.0 mb Conv cond level (CCL): 550.17 mb = 4615.96 m = 15144.04 ft Mean mixing ratio: 0.75 g/kg Conv temperature: 19.85 C = 67.73 F Cap Strength: 25.07 C Lifted Index: 26.45 C Risk: None Lifted Index @300 mb: 31.83 C Lifted Index @700 mb: 17.84 C Showalter Index: 19.83 C Risk: None Total Totals Index: 18.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 2.60 C K Index: -34.10 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 5.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.90 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 25662.74 J/kg Cap Strength: 26.10 C Lift Cond Lev (LCL): 879.94 mb = 1131.49 m = 3712.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 25 at 8 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 1013 69 10 13 -2.3 -12.8 | 346 5 1.3 -5.2 1 850 1393 335 5 2.1 -4.5 | 242 6 5.7 3.0 2 700 2848 335 7 3.0 -6.3 | 259 7 6.5 1.2 3 500 5300 360 17 -0.0 -17.0 | 339 10 3.6 -9.4 4 400 6850 20 36 -12.3 -33.8 | 18 28 -8.8 -26.2 5 300 8740 25 40 -16.9 -36.3 | 25 32 -13.3 -28.7 6 294 8869 25 38 -16.1 -34.4 | 25 30 -12.5 -26.9 7 250 9910 10 21 -3.6 -20.7 | 0 13 -0.1 -13.1 8 200 11370 45 9 -6.4 -6.4 | 113 3 -2.8 1.2 9 150 13280 0 0 -0.0 -0.0 | 205 8 3.6 7.6 10 100 15980 20 3 -1.0 -2.8 | 208 5 2.5 4.8 Wind Parameters Mean winds (0-6000m): 355.2 at 11.2 knts Storm direction: 25.2 at 8.4 knts Shear (0-3000m) pos: 0.2 neg: 1.5 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -78.5 deg Storm rel helicity (0-3000m) pos: 4.9 neg: -12.8 tot: -7.9 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 2.2 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.52 Bulk Shear: 1.72 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 13 12 347 4| 0.0 4.1 4.1| 0.0 -5.1 -5.1 -10.2 -0.98| 4.1 -4.1 1000 5 10 312 4| 0.0 3.8 3.8| 0.0 -9.8 -9.8 -9.8 -0.97| 3.9 -3.8 1500 359 9 285 4| 0.0 3.2 3.2| 0.2 -12.8 -12.6 -8.4 -0.93| 3.4 -3.1 2000 355 8 273 4| 0.0 2.3 2.3| 1.4 -12.8 -11.4 -5.7 -0.81| 2.7 -2.2 2500 351 8 268 5| 0.0 1.7 1.7| 2.6 -12.8 -10.2 -4.1 -0.70| 2.3 -1.6 3000 349 7 267 5| 0.2 1.5 1.7| 4.9 -12.8 -7.9 -2.6 -0.52| 2.2 -1.1 4000 347 8 273 5| 0.7 1.1 1.8| 12.8 -12.8 0.1 0.0 -0.13| 2.2 -0.3 5000 350 9 287 5| 1.1 0.9 1.9| 22.4 -12.8 9.6 1.9 0.10| 2.2 0.2 6000 355 11 308 6| 1.8 0.7 2.6| 46.2 -12.8 33.4 5.6 0.27| 2.8 0.8 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20250415.11.gif