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 BGDH... Searching the city database file for: BGDH ... Date:2300Z 17 APR 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 1027 12 -14.3 -23.3 46 9.0 -15.6 320 5 256.9 257.0 255.8 258.5 0.57 1 1020 64 -12.3 -23.3 39 11.0 -14.0 319 5 259.4 259.5 257.9 261.0 0.57 2 989 300 -13.7 -25.7 36 12.0 -15.4 315 5 260.3 260.3 258.4 261.6 0.48 3 967 470 -15.1 -27.1 35 12.0 -16.7 312 6 260.5 260.6 258.5 261.8 0.43 4 923 824 -13.7 -33.7 17 20.0 -16.2 306 6 265.5 265.5 261.9 266.2 0.24 5 914 898 -14.1 -34.1 17 20.0 -16.5 305 6 265.8 265.8 262.1 266.5 0.23 6 850 1445 -18.7 -34.7 23 16.0 -20.4 295 7 266.6 266.6 262.7 267.3 0.24 7 826 1658 -20.5 -34.5 27 14.0 -21.9 294 10 266.8 266.9 262.9 267.6 0.25 8 778 2099 -22.3 -33.3 36 11.0 -23.4 293 15 269.5 269.6 264.9 270.4 0.30 9 771 2166 -22.7 -33.7 36 11.0 -23.8 292 16 269.8 269.8 265.1 270.7 0.29 10 746 2407 -23.3 -33.3 39 10.0 -24.4 292 19 271.7 271.7 266.4 272.6 0.31 11 722 2646 -23.9 -34.9 36 11.0 -25.0 291 22 273.6 273.6 267.6 274.4 0.27 12 700 2873 -22.5 -40.5 18 18.0 -24.1 290 25 277.6 277.6 269.9 278.1 0.16 13 660 3303 -25.1 -44.1 15 19.0 -26.5 288 25 279.4 279.4 270.9 279.7 0.12 14 652 3392 -24.9 -45.9 12 21.0 -26.4 288 25 280.6 280.6 271.6 280.9 0.10 15 634 3596 -25.7 -44.7 15 19.0 -27.1 287 26 281.9 281.9 272.5 282.3 0.11 16 583 4200 -29.5 -43.5 25 14.0 -30.5 285 26 284.3 284.3 273.9 284.8 0.14 17 500 5280 -37.1 -49.1 28 12.0 -37.7 280 27 287.8 287.8 275.7 288.1 0.09 18 462 5819 -41.3 -50.3 37 9.0 -41.6 280 30 289.1 289.2 276.4 289.4 0.08 19 400 6780 -47.3 -57.3 31 10.0 -47.5 280 36 293.5 293.5 278.4 293.7 0.04 20 381 7101 -48.3 -58.3 31 10.0 -48.5 275 35 296.3 296.3 279.7 296.5 0.04 21 300 8680 -46.7 -77.7 2 31.0 -47.1 290 31 319.5 319.5 288.6 319.5 0.00 22 288 8951 -46.7 -80.7 1 34.0 -47.2 286 31 323.3 323.3 289.8 323.3 0.00 23 287 8974 -46.5 -80.5 1 34.0 -47.0 285 31 323.9 323.9 289.9 323.9 0.00 24 256 9733 -47.3 -80.3 1 33.0 -47.8 273 33 333.5 333.5 292.7 333.5 0.00 25 250 9890 -46.5 -80.5 1 34.0 -47.1 270 33 336.9 336.9 293.6 336.9 0.00 26 227 10535 -42.3 -77.3 1 35.0 -43.3 268 28 352.8 352.8 297.3 352.8 0.00 27 218 10806 -43.9 -78.9 1 35.0 -44.7 267 26 354.4 354.4 297.6 354.4 0.00 28 214 10930 -45.1 -79.1 1 34.0 -45.9 267 25 354.4 354.4 297.6 354.4 0.00 29 200 11380 -45.7 -79.7 1 34.0 -46.4 265 21 360.4 360.4 298.8 360.4 0.00 30 185 11900 -45.1 -79.1 1 34.0 -46.0 270 18 369.5 369.5 300.5 369.5 0.00 31 181 12047 -42.1 -77.1 1 35.0 -43.3 272 18 376.7 376.7 301.7 376.7 0.01 32 150 13310 -44.7 -78.7 1 34.0 -45.8 285 11 393.0 393.0 304.2 393.1 0.01 33 140 13770 -45.9 -79.9 1 34.0 -47.0 278 11 398.8 398.8 305.0 398.8 0.00 34 101 15953 -43.7 -78.7 1 35.0 -45.4 246 13 442.0 442.0 310.1 442.1 0.01 35 100 16020 -43.7 -78.7 1 35.0 -45.4 245 13 443.3 443.3 310.2 443.3 0.01 36 74 18023 -47.5 -80.5 1 33.0 -49.1 275 11 475.2 475.2 313.1 475.2 0.01 37 70 18390 -46.7 -80.7 1 34.0 -48.5 280 11 484.5 484.5 313.8 484.5 0.01 38 61 19306 -44.9 -78.9 1 34.0 -47.2 270 9 507.9 507.9 315.5 508.0 0.01 39 50 20630 -46.3 -80.3 1 34.0 -48.7 255 7 534.4 534.4 317.2 534.4 0.01 40 30 24010 -47.7 -80.7 1 33.0 -50.8 275 13 614.6 614.6 321.3 614.7 0.02 41 20 26690 -47.5 -80.5 1 33.0 -51.8 250 11 690.8 690.8 324.1 691.0 0.03 42 15 28590 -48.9 -81.9 1 33.0 -53.5 267 14 745.4 745.4 325.8 745.6 0.03 43 10 31270 -46.9 -80.9 1 34.0 -53.7 290 19 844.5 844.5 328.3 845.0 0.06 44 5.0 35935 -39.9 -75.9 1 36.0 -53.5 1061.5 1061.7 332.1 1064.8 0.25 TRP 381 7101 -48.3 -58.3 31 10.0 -48.5 275 35 296.3 296.3 279.7 296.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5064.75 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 25.72 % Est. max temperature: -4.87 C = 23.23 F Sfc-Lift cond lev (LCL): 886.87 mb = 1125.21 m = 3691.58 ft T: -16.01 C 700-500 lapse rate: 6.07 C/km ThetaE index: 0.00 C Layer 1027.0- -0.0 mb Conv cond level (CCL): 543.04 mb = 4699.15 m = 15416.98 ft Mean mixing ratio: 0.44 g/kg Conv temperature: 14.99 C = 58.99 F Cap Strength: 19.05 C Lifted Index: 21.01 C Risk: None Lifted Index @300 mb: 40.58 C Lifted Index @700 mb: 14.39 C Showalter Index: 16.96 C Risk: None Total Totals Index: 20.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 2.40 C K Index: -34.30 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.90 J/kg Max Up Vert Vel: 6.46 m/s Conv Inhibition (B-): 88438.34 J/kg Cap Strength: 20.99 C Lift Cond Lev (LCL): 790.44 mb = 1982.36 m = 6503.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 15 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 1027 12 320 5 3.2 -3.8 | 135 10 -6.8 6.8 1 850 1445 295 7 6.3 -3.0 | 154 8 -3.7 7.6 2 700 2873 290 25 23.5 -8.6 | 261 14 13.5 2.0 3 500 5280 280 27 26.6 -4.7 | 250 18 16.6 5.9 4 400 6780 280 36 35.5 -6.3 | 260 26 25.4 4.3 5 381 7101 275 35 34.9 -3.1 | 253 26 24.8 7.5 6 300 8680 290 31 29.1 -10.6 | 270 19 19.1 -0.0 7 250 9890 270 33 33.0 -0.0 | 245 25 23.0 10.6 8 200 11380 265 21 20.9 1.8 | 221 17 10.9 12.4 9 150 13310 285 11 10.6 -2.8 | 184 8 0.6 7.7 10 100 16020 245 13 11.8 5.5 | 186 16 1.8 16.1 11 70 18390 280 11 10.8 -1.9 | 185 9 0.8 8.7 12 50 20630 255 7 6.8 1.8 | 165 13 -3.3 12.4 13 30 24010 275 13 13.0 -1.1 | 197 10 2.9 9.4 14 20 26690 250 11 10.3 3.8 | 181 14 0.3 14.3 15 10 31270 290 19 17.9 -6.5 | 242 9 7.8 4.1 Wind Parameters Mean winds (0-6000m): 286.5 at 19.4 knts Storm direction: 316.5 at 14.6 knts Shear (0-3000m) pos: 0.0 neg: 3.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 126.0 deg Storm rel helicity (0-3000m) pos: 33.4 neg: -0.4 tot: 32.9 m^2/s^2 ave: 11.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.71 Bulk Shear: 29.41 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 ------------------------------------------------------------------------------- 500 313 5 138 9| 0.0 1.1 1.1| 2.0 0.0 2.0 4.1 0.77| 1.1 0.9 1000 309 6 141 9| 0.0 1.1 1.1| 4.5 0.0 4.5 4.5 0.86| 1.1 1.0 1500 305 6 145 9| 0.0 1.4 1.4| 8.1 0.0 8.1 5.4 0.86| 1.4 1.2 2000 301 7 151 8| 0.0 2.6 2.6| 17.7 0.0 17.7 8.8 0.89| 2.7 2.4 2500 297 9 165 7| 0.0 3.3 3.3| 27.1 0.0 27.1 10.9 0.85| 3.5 2.9 3000 294 12 186 6| 0.0 3.6 3.6| 33.4 -0.4 32.9 11.0 0.75| 3.7 2.8 4000 291 15 218 6| 0.0 2.8 2.8| 33.4 -5.1 28.2 7.1 0.63| 3.0 1.9 5000 289 17 233 8| 0.0 2.4 2.4| 33.4 -10.6 22.8 4.6 0.53| 2.6 1.4 6000 287 19 240 10| 0.0 2.4 2.4| 43.0 -11.7 31.3 5.2 0.50| 2.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250417.23.gif