UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 20 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 1029 12 -23.7 -26.9 75 3.2 -24.0 105 1 247.4 247.5 247.3 248.5 0.41 1 1021 70 -18.3 -22.0 73 3.7 -18.8 99 1 253.3 253.4 253.0 255.1 0.64 2 1004 196 -15.1 -25.1 42 10.0 -16.5 86 3 257.8 257.8 256.4 259.1 0.50 3 990 302 -14.7 -26.7 35 12.0 -16.3 75 3 259.2 259.3 257.4 260.4 0.43 4 915 896 -16.9 -27.9 38 11.0 -18.3 13 8 262.8 262.9 260.3 264.1 0.42 5 902 1003 -15.7 -29.7 29 14.0 -17.5 2 9 265.2 265.2 261.9 266.2 0.36 6 850 1451 -15.7 -30.7 26 15.0 -17.7 315 13 269.7 269.8 265.1 270.7 0.35 7 827 1658 -16.5 -31.5 26 15.0 -18.4 316 13 271.0 271.0 266.0 272.0 0.33 8 779 2105 -18.9 -32.9 28 14.0 -20.5 317 14 273.1 273.1 267.4 274.0 0.31 9 700 2894 -23.7 -35.7 32 12.0 -24.9 320 15 276.2 276.3 269.3 277.1 0.26 10 668 3235 -24.7 -41.7 19 17.0 -26.1 318 16 278.8 278.9 270.7 279.3 0.15 11 656 3367 -25.7 -35.7 39 10.0 -26.7 317 16 279.2 279.2 271.1 280.0 0.28 12 635 3602 -27.7 -36.7 42 9.0 -28.5 316 16 279.5 279.5 271.3 280.3 0.26 13 600 4007 -30.7 -38.7 45 8.0 -31.3 313 17 280.6 280.6 271.9 281.3 0.22 14 584 4198 -31.9 -46.9 21 15.0 -32.7 312 17 281.4 281.4 272.1 281.7 0.10 15 558 4519 -33.9 -55.9 9 22.0 -34.7 310 18 282.7 282.7 272.8 282.8 0.04 16 557 4532 -33.9 -55.9 9 22.0 -34.7 310 18 282.8 282.8 272.9 283.0 0.04 17 500 5280 -39.1 -51.1 27 12.0 -39.6 305 19 285.4 285.4 274.3 285.6 0.07 18 479 5573 -41.1 -52.1 30 11.0 -41.5 302 20 286.4 286.4 274.9 286.6 0.06 19 457 5891 -42.9 -51.9 37 9.0 -43.2 299 21 288.0 288.1 275.7 288.3 0.07 20 400 6780 -47.1 -69.1 6 22.0 -47.4 290 23 293.8 293.8 278.5 293.8 0.01 21 300 8680 -46.5 -80.5 1 34.0 -47.0 290 17 319.8 319.8 288.7 319.8 0.00 22 287 8974 -46.1 -80.1 1 34.0 -46.6 291 18 324.5 324.5 290.1 324.5 0.00 23 250 9890 -45.9 -79.9 1 34.0 -46.5 295 21 337.8 337.8 293.8 337.8 0.00 24 218 10804 -45.9 -79.9 1 34.0 -46.6 301 22 351.3 351.3 296.9 351.3 0.00 25 200 11380 -45.5 -79.5 1 34.0 -46.3 305 23 360.7 360.7 298.8 360.7 0.00 26 183 11972 -43.9 -78.9 1 35.0 -44.9 302 20 372.6 372.6 301.0 372.6 0.00 27 150 13300 -44.5 -78.5 1 34.0 -45.6 295 13 393.4 393.4 304.3 393.4 0.01 28 105 15677 -47.7 -80.7 1 33.0 -48.8 291 17 429.5 429.5 308.8 429.6 0.01 29 101 15934 -47.5 -80.5 1 33.0 -48.7 290 17 434.7 434.7 309.3 434.7 0.01 30 100 16000 -47.5 -80.5 1 33.0 -48.7 290 17 435.9 436.0 309.4 436.0 0.01 31 70 18360 -47.5 -80.5 1 33.0 -49.1 290 17 482.8 482.8 313.7 482.8 0.01 32 52 20321 -46.9 -80.9 1 34.0 -49.1 263 8 527.0 527.0 316.8 527.1 0.01 33 50 20580 -47.5 -80.5 1 33.0 -49.7 260 7 531.5 531.5 317.0 531.6 0.01 34 43 21570 -49.5 -82.5 1 33.0 -51.5 285 6 550.0 550.0 318.1 550.1 0.01 35 32 23514 -46.9 -80.9 1 34.0 -50.1 334 5 605.5 605.5 320.9 605.6 0.02 36 30 23940 -48.3 -81.3 1 33.0 -51.3 345 5 613.0 613.0 321.2 613.1 0.02 37 20 26610 -49.9 -82.9 1 33.0 -53.4 325 11 683.4 683.4 323.9 683.6 0.02 38 17 27672 -50.3 -82.3 1 32.0 -54.1 327 11 714.7 714.7 324.9 714.9 0.03 39 10 31170 -45.9 -79.9 1 34.0 -53.1 335 9 848.2 848.2 328.4 848.9 0.07 40 5.6 35060 -42.3 -77.3 1 35.0 -53.9 1017.1 1017.2 331.5 1019.3 0.18 TRP 400 6780 -47.1 -69.1 6 22.0 -47.4 290 23 293.8 293.8 278.5 293.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5054.08 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 30.09 % Est. max temperature: -3.83 C = 25.10 F Sfc-Lift cond lev (LCL): 975.58 mb = 412.51 m = 1353.37 ft T: -15.11 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.00 C Layer 1029.0- -0.0 mb Conv cond level (CCL): 588.88 mb = 4139.60 m = 13581.19 ft Mean mixing ratio: 0.46 g/kg Conv temperature: 10.29 C = 50.52 F Cap Strength: 19.40 C Lifted Index: 20.82 C Risk: None Lifted Index @300 mb: 42.37 C Lifted Index @700 mb: 15.13 C Showalter Index: 12.18 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 8.40 C K Index: -19.30 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.40 J/kg Max Up Vert Vel: 8.41 m/s Conv Inhibition (B-): 91549.54 J/kg Cap Strength: 20.60 C Lift Cond Lev (LCL): 829.29 mb = 1636.72 m = 5369.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 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 1029 12 105 1 -1.0 0.3 | 158 11 -4.3 10.5 1 850 1451 315 13 9.2 -9.2 | 260 6 5.8 1.0 2 700 2894 320 15 9.6 -11.5 | 281 6 6.3 -1.3 3 500 5280 305 19 15.6 -10.9 | 273 12 12.2 -0.7 4 400 6780 290 23 21.6 -7.9 | 263 18 18.2 2.4 5 300 8680 290 17 16.0 -5.8 | 251 13 12.6 4.4 6 250 9890 295 21 19.0 -8.9 | 265 16 15.7 1.3 7 200 11380 305 23 18.8 -13.2 | 281 16 15.5 -3.0 8 150 13300 295 13 11.8 -5.5 | 241 10 8.4 4.7 9 100 16000 290 17 16.0 -5.8 | 251 13 12.6 4.4 10 70 18360 290 17 16.0 -5.8 | 251 13 12.6 4.4 11 50 20580 260 7 6.9 1.2 | 197 12 3.5 11.4 12 30 23940 345 5 1.3 -4.8 | 159 6 -2.1 5.4 13 20 26610 325 11 6.3 -9.0 | 248 3 2.9 1.2 14 10 31170 335 9 3.8 -8.2 | 192 2 0.4 2.1 Wind Parameters Mean winds (0-6000m): 311.8 at 14.3 knts Storm direction: 341.8 at 10.8 knts Shear (0-3000m) pos: 0.4 neg: 2.4 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 123.6 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -22.7 tot: -19.2 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.41 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.79 Bulk Shear: 19.73 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 ------------------------------------------------------------------------------- 500 278 3 176 10| 0.0 4.8 4.8| 0.0 -14.1 -14.1 -28.2 -0.93| 5.2 -4.9 1000 299 5 187 8| 0.0 5.0 5.0| 0.0 -21.7 -21.7 -21.7 -0.66| 6.6 -4.4 1500 317 7 197 5| 0.0 4.8 4.8| 0.0 -22.7 -22.7 -15.1 -0.55| 8.2 -4.5 2000 317 9 214 5| 0.2 3.6 3.8| 1.3 -22.7 -21.4 -10.7 -0.50| 6.3 -3.1 2500 317 10 228 4| 0.3 2.9 3.2| 2.5 -22.7 -20.2 -8.1 -0.45| 5.2 -2.3 3000 318 11 239 4| 0.4 2.4 2.8| 3.5 -22.7 -19.2 -6.4 -0.41| 4.5 -1.9 4000 317 12 253 5| 0.3 2.0 2.3| 3.5 -23.6 -20.1 -5.0 -0.39| 3.7 -1.4 5000 315 13 262 6| 0.2 1.8 2.1| 3.5 -25.5 -22.0 -4.4 -0.38| 3.2 -1.2 6000 312 14 265 7| 0.2 1.7 1.9| 3.5 -30.6 -27.1 -4.5 -0.38| 3.0 -1.1 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250420.23.gif