UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 18 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 1026 12 -21.5 -25.2 72 3.7 -21.9 0 0 249.8 249.9 249.6 251.1 0.48 1 1013 106 -18.9 -23.3 68 4.4 -19.5 357 1 253.3 253.4 252.8 254.9 0.58 2 987 299 -20.1 -25.1 64 5.0 -20.7 351 2 254.0 254.1 253.3 255.4 0.50 3 975 390 -20.5 -25.2 66 4.7 -21.1 348 3 254.5 254.6 253.7 255.9 0.51 4 962 489 -18.3 -24.3 59 6.0 -19.1 345 4 257.7 257.8 256.5 259.2 0.56 5 937 686 -18.7 -26.7 49 8.0 -19.7 338 5 259.2 259.3 257.5 260.5 0.46 6 910 902 -20.3 -28.3 49 8.0 -21.2 331 7 259.8 259.8 257.8 260.9 0.41 7 850 1404 -23.3 -30.3 53 7.0 -24.0 315 11 261.7 261.8 259.3 262.8 0.36 8 821 1658 -22.7 -29.7 53 7.0 -23.5 310 13 265.0 265.0 261.9 266.1 0.40 9 773 2099 -24.1 -30.1 58 6.0 -24.8 300 16 268.1 268.1 264.1 269.3 0.41 10 700 2818 -26.7 -33.7 52 7.0 -27.3 285 21 272.9 273.0 267.3 273.9 0.32 11 686 2964 -26.9 -33.9 52 7.0 -27.6 285 22 274.3 274.3 268.2 275.2 0.32 12 628 3596 -31.3 -36.1 63 4.8 -31.7 285 27 276.3 276.3 269.4 277.1 0.28 13 576 4203 -35.3 -45.3 35 10.0 -35.8 285 32 278.5 278.5 270.5 278.9 0.12 14 567 4313 -35.9 -49.9 22 14.0 -36.5 285 33 279.0 279.1 270.7 279.3 0.07 15 564 4350 -36.1 -50.1 22 14.0 -36.7 285 33 279.2 279.2 270.8 279.5 0.07 16 543 4613 -36.9 -52.9 17 16.0 -37.5 285 35 281.3 281.3 272.0 281.5 0.05 17 500 5180 -40.3 -50.3 33 10.0 -40.6 285 40 283.9 283.9 273.5 284.2 0.08 18 490 5318 -41.1 -51.1 33 10.0 -41.5 285 41 284.6 284.6 273.9 284.8 0.07 19 453 5850 -41.7 -62.7 8 21.0 -42.2 285 47 290.3 290.3 276.8 290.3 0.02 20 400 6690 -43.9 -64.9 8 21.0 -44.3 285 56 297.9 297.9 280.4 298.0 0.02 21 362 7356 -45.5 -65.5 9 20.0 -45.9 285 62 304.4 304.4 283.2 304.5 0.02 22 359 7411 -45.4 -66.4 8 21.0 -45.9 285 64 305.3 305.3 283.5 305.3 0.01 23 321 8158 -44.3 -78.3 1 34.0 -44.9 285 57 316.7 316.7 287.6 316.7 0.00 24 300 8610 -44.5 -78.5 1 34.0 -45.1 285 52 322.6 322.6 289.6 322.6 0.00 25 250 9830 -44.3 -78.3 1 34.0 -45.0 285 44 340.2 340.2 294.4 340.2 0.00 26 216 10812 -43.5 -78.5 1 35.0 -44.4 278 33 356.0 356.0 297.9 356.0 0.00 27 200 11330 -43.5 -78.5 1 35.0 -44.5 275 27 363.9 363.9 299.4 363.9 0.00 28 188 11746 -44.9 -78.9 1 34.0 -45.8 280 24 368.1 368.1 300.2 368.1 0.00 29 180 12039 -42.1 -77.1 1 35.0 -43.3 284 22 377.3 377.3 301.8 377.3 0.01 30 179 12077 -42.1 -77.1 1 35.0 -43.3 285 22 377.9 377.9 301.9 377.9 0.01 31 150 13270 -44.3 -78.3 1 34.0 -45.4 300 13 393.7 393.7 304.3 393.7 0.01 32 108 15458 -46.5 -80.5 1 34.0 -47.7 276 11 428.3 428.3 308.7 428.4 0.01 33 101 15904 -44.9 -78.9 1 34.0 -46.4 271 11 439.7 439.7 309.8 439.8 0.01 34 100 15970 -44.5 -78.5 1 34.0 -46.1 270 11 441.7 441.7 310.1 441.8 0.01 35 77 17716 -47.3 -80.3 1 33.0 -48.8 255 10 470.2 470.2 312.7 470.2 0.01 36 70 18350 -46.3 -80.3 1 34.0 -48.1 250 9 485.3 485.3 313.9 485.4 0.01 37 50 20580 -46.3 -80.3 1 34.0 -48.7 270 11 534.4 534.4 317.2 534.4 0.01 38 31 23753 -46.7 -80.7 1 34.0 -50.0 275 15 611.6 611.6 321.1 611.7 0.02 39 30 23970 -47.7 -80.7 1 33.0 -50.8 275 15 614.6 614.6 321.3 614.7 0.02 40 24 25434 -49.7 -82.7 1 33.0 -52.8 294 11 649.3 649.3 322.7 649.4 0.02 41 20 26630 -48.1 -81.1 1 33.0 -52.1 310 7 688.9 689.0 324.1 689.2 0.03 42 10 31200 -45.7 -79.7 1 34.0 -53.0 305 7 849.0 849.0 328.4 849.7 0.07 43 5.8 34843 -43.9 -78.9 1 35.0 -54.5 999.9 1000.0 331.2 1001.6 0.14 TRP 362 7356 -45.5 -65.5 9 20.0 -45.9 285 62 304.4 304.4 283.2 304.5 0.02 WND 359 7411 -45.4 -66.4 8 21.0 -45.9 285 64 305.3 305.3 283.5 305.3 0.01 Sounding variables and indices 1000-500 mb thick: 4977.83 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 48.54 % Est. max temperature: -10.36 C = 13.35 F Sfc-Lift cond lev (LCL): 964.99 mb = 466.32 m = 1529.91 ft T: -18.81 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.00 C Layer 1026.0- -0.0 mb Conv cond level (CCL): 652.92 mb = 3317.35 m = 10883.56 ft Mean mixing ratio: 0.51 g/kg Conv temperature: 4.28 C = 39.70 F Cap Strength: 20.44 C Lifted Index: 22.02 C Risk: None Lifted Index @300 mb: 46.48 C Lifted Index @700 mb: 14.68 C Showalter Index: 17.40 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 10.00 C K Index: -20.30 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 4.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.14 J/kg Max Up Vert Vel: 8.38 m/s Conv Inhibition (B-): 98685.26 J/kg Cap Strength: 21.78 C Lift Cond Lev (LCL): 887.71 mb = 1084.78 m = 3558.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 18 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 1026 12 0 0 -0.0 -0.0 | 138 18 -11.7 13.1 1 850 1404 315 11 7.8 -7.8 | 143 7 -4.0 5.3 2 700 2818 285 21 20.3 -5.4 | 228 11 8.5 7.7 3 500 5180 285 40 38.6 -10.4 | 264 27 26.9 2.7 4 400 6690 285 56 54.1 -14.5 | 272 42 42.4 -1.4 5 362 7356 285 62 59.9 -16.0 | 274 48 48.1 -3.0 6 359 7411 285 64 61.8 -16.6 | 274 50 50.1 -3.5 7 300 8610 285 52 50.2 -13.5 | 271 38 38.5 -0.4 8 250 9830 285 44 42.5 -11.4 | 267 31 30.8 1.7 9 200 11330 275 27 26.9 -2.4 | 235 19 15.2 10.7 10 150 13270 300 13 11.3 -6.5 | 176 7 -0.5 6.6 11 100 15970 270 11 11.0 -0.0 | 177 13 -0.7 13.1 12 70 18350 250 9 8.5 3.1 | 169 16 -3.3 16.2 13 50 20580 270 11 11.0 -0.0 | 177 13 -0.7 13.1 14 30 23970 275 15 14.9 -1.3 | 195 12 3.2 11.8 15 20 26630 310 7 5.4 -4.5 | 143 11 -6.4 8.6 16 10 31200 305 7 5.7 -4.0 | 147 11 -6.0 9.1 Wind Parameters Mean winds (0-6000m): 288.1 at 23.4 knts Storm direction: 318.1 at 17.6 knts Shear (0-3000m) pos: 0.0 neg: 3.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 22.1 neg: -9.7 tot: 12.4 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.56 Bulk Shear: 63.28 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 ------------------------------------------------------------------------------- 500 273 2 142 16| 0.0 4.1 4.1| 0.0 -8.4 -8.4 -16.7 -0.49| 4.1 -2.0 1000 309 4 140 14| 0.0 4.1 4.1| 0.5 -9.7 -9.2 -9.2 -0.26| 4.3 -1.1 1500 315 6 140 12| 0.0 4.0 4.0| 5.1 -9.7 -4.5 -3.0 0.01| 4.4 0.1 2000 311 8 143 10| 0.0 3.9 3.9| 10.6 -9.7 0.9 0.5 0.24| 4.4 1.1 2500 305 10 153 8| 0.0 3.9 3.9| 15.9 -9.7 6.2 2.5 0.34| 4.5 1.5 3000 299 11 168 8| 0.0 3.9 3.9| 22.1 -9.7 12.4 4.1 0.36| 4.6 1.6 4000 293 15 197 8| 0.0 3.9 3.9| 42.5 -9.7 32.9 8.2 0.42| 4.5 1.9 5000 290 19 224 9| 0.0 4.0 4.0| 63.0 -9.7 53.3 10.7 0.42| 4.4 1.9 6000 288 23 241 12| 0.0 4.2 4.2| 88.8 -9.7 79.1 13.2 0.40| 4.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250418.23.gif