UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:2300Z 17 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 1018 69 -19.3 -21.0 86 1.7 -19.6 145 1 252.6 252.7 252.5 254.4 0.70 1 987 305 -5.5 -19.5 32 14.0 -8.6 174 2 268.7 268.8 265.3 271.0 0.83 2 914 905 -6.5 -24.5 22 18.0 -10.1 247 6 273.6 273.7 268.2 275.3 0.57 3 894 1077 -7.9 -24.9 24 17.0 -11.2 267 7 273.9 274.0 268.4 275.6 0.57 4 850 1468 -8.3 -29.3 17 21.0 -11.9 315 9 277.5 277.5 270.3 278.7 0.40 5 823 1718 -8.1 -38.1 7 30.0 -12.4 317 9 280.2 280.3 271.6 280.8 0.17 6 783 2103 -10.3 -31.3 16 21.0 -13.7 319 10 281.9 282.0 272.9 283.0 0.36 7 700 2958 -15.1 -28.1 32 13.0 -17.3 325 11 285.8 285.9 275.3 287.5 0.54 8 648 3537 -17.5 -26.5 45 9.0 -19.1 323 15 289.4 289.5 277.4 291.6 0.68 9 643 3595 -18.1 -27.1 45 9.0 -19.7 322 15 289.4 289.5 277.4 291.4 0.64 10 611 3973 -20.7 -25.7 64 5.0 -21.6 321 17 290.6 290.8 278.2 293.1 0.77 11 593 4193 -22.3 -28.3 58 6.0 -23.2 320 19 291.3 291.4 278.3 293.3 0.63 12 517 5183 -29.9 -37.9 46 8.0 -30.6 316 25 293.8 293.8 279.0 294.7 0.28 13 500 5420 -31.9 -38.9 50 7.0 -32.5 315 27 294.1 294.2 279.1 295.0 0.26 14 400 6970 -40.1 -46.1 53 6.0 -40.4 340 31 302.9 302.9 282.8 303.4 0.15 15 395 7056 -40.7 -46.7 52 6.0 -41.0 340 32 303.2 303.2 282.9 303.7 0.15 16 332 8220 -49.5 -52.8 68 3.3 -49.6 334 42 306.6 306.6 284.1 306.9 0.09 17 320 8461 -50.9 -62.9 23 12.0 -51.1 332 44 307.9 307.9 284.5 308.0 0.03 18 306 8752 -52.9 -55.3 75 2.4 -52.9 331 47 309.0 309.0 285.1 309.3 0.07 19 300 8880 -53.3 -63.3 29 10.0 -53.5 330 48 310.2 310.2 285.4 310.3 0.03 20 294 9009 -54.3 -60.3 48 6.0 -54.4 331 48 310.6 310.6 285.6 310.7 0.04 21 280 9318 -56.5 -60.3 62 3.8 -56.6 333 48 311.8 311.8 286.0 312.0 0.04 22 270 9547 -57.9 -62.8 53 4.9 -58.0 335 48 313.0 313.0 286.4 313.1 0.03 23 250 10030 -57.7 -71.7 15 14.0 -57.8 330 38 320.3 320.3 288.8 320.3 0.01 24 234 10455 -53.1 -85.1 1 32.0 -53.4 321 33 333.4 333.4 292.6 333.4 0.00 25 222 10797 -51.7 -81.7 2 30.0 -52.1 314 29 340.6 340.6 294.4 340.6 0.00 26 200 11480 -50.5 -82.5 1 32.0 -51.0 300 21 352.8 352.8 297.3 352.8 0.00 27 183 12059 -47.3 -80.3 1 33.0 -48.0 292 20 367.1 367.1 300.1 367.1 0.00 28 150 13370 -45.5 -79.5 1 34.0 -46.5 275 17 391.7 391.7 304.0 391.7 0.00 29 101 15994 -47.3 -80.3 1 33.0 -48.5 212 9 435.1 435.1 309.4 435.1 0.01 30 100 16060 -47.5 -80.5 1 33.0 -48.7 210 9 435.9 436.0 309.4 436.0 0.01 TRP 270 9547 -57.9 -62.8 53 4.9 -58.0 335 48 313.0 313.0 286.4 313.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5215.03 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 36.29 % Est. max temperature: 4.23 C = 39.61 F Sfc-Lift cond lev (LCL): 989.94 mb = 282.01 m = 925.23 ft T: -6.83 C 700-500 lapse rate: 6.82 C/km Conv cond level (CCL): 536.89 mb = 4910.75 m = 16111.20 ft Mean mixing ratio: 0.72 g/kg Conv temperature: 21.46 C = 70.62 F Cap Strength: 19.94 C Lifted Index: 19.99 C Risk: None Lifted Index @300 mb: 28.54 C Lifted Index @700 mb: 15.41 C Showalter Index: 13.08 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 2.60 C K Index: -18.70 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.80 J/kg Max Up Vert Vel: 11.38 m/s Conv Inhibition (B-): 22926.65 J/kg Cap Strength: 19.98 C Lift Cond Lev (LCL): 779.31 mb = 2139.54 m = 7019.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 11 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 1018 69 145 1 -0.6 0.8 | 167 12 -2.7 11.6 1 850 1468 315 9 6.4 -6.4 | 224 6 4.2 4.4 2 700 2958 325 11 6.3 -9.0 | 247 4 4.1 1.7 3 500 5420 315 27 19.1 -19.1 | 296 19 16.9 -8.3 4 400 6970 340 31 10.6 -29.1 | 335 20 8.4 -18.4 5 300 8880 330 48 24.0 -41.6 | 325 38 21.8 -30.8 6 270 9547 335 48 20.3 -43.5 | 331 37 18.1 -32.8 7 250 10030 330 38 19.0 -32.9 | 323 28 16.8 -22.2 8 200 11480 300 21 18.2 -10.5 | 269 16 16.0 0.2 9 150 13370 275 17 16.9 -1.5 | 238 17 14.8 9.3 10 100 16060 210 9 4.5 7.8 | 187 19 2.3 18.5 Wind Parameters Mean winds (0-6000m): 318.6 at 14.6 knts Storm direction: 348.6 at 11.0 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 88.8 deg Storm rel helicity (0-3000m) pos: 42.9 neg: 0.0 tot: 42.9 m^2/s^2 ave: 14.3 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.96 Bulk Shear: 21.90 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 ------------------------------------------------------------------------------- 500 353 2 168 9| 3.6 0.0 3.6| 9.7 0.0 9.7 19.5 0.69| 4.0 2.8 1000 334 4 176 7| 3.8 0.0 3.8| 30.2 0.0 30.2 30.2 0.83| 5.2 4.3 1500 314 5 193 7| 3.5 0.0 3.5| 39.4 0.0 39.4 26.2 0.69| 6.0 4.1 2000 315 6 200 7| 2.8 0.0 2.8| 40.4 0.0 40.4 20.2 0.70| 4.7 3.3 2500 317 7 205 6| 2.4 0.0 2.4| 41.4 0.0 41.4 16.6 0.70| 3.9 2.8 3000 319 8 210 6| 2.2 0.0 2.2| 42.9 0.0 42.9 14.3 0.72| 3.5 2.5 4000 320 9 228 5| 1.6 0.8 2.5| 49.7 0.0 49.7 12.4 0.68| 3.5 2.4 5000 319 12 253 6| 1.3 1.4 2.7| 54.3 0.0 54.3 10.9 0.59| 3.5 2.0 6000 319 15 272 8| 1.5 1.1 2.6| 81.8 0.0 81.8 13.6 0.61| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20250417.23.gif