UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 29 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 1011 12 -14.1 -16.8 80 2.7 -14.6 315 7 258.2 258.4 257.9 261.0 1.01 1 996 126 -9.9 -12.9 79 3.0 -10.6 315 9 263.6 263.8 262.8 267.4 1.42 2 974 298 -11.1 -12.3 91 1.2 -11.4 316 11 264.0 264.3 263.3 268.2 1.52 3 930 653 -11.3 -12.4 92 1.1 -11.6 317 16 267.3 267.6 265.8 271.7 1.58 4 913 794 -12.1 -14.5 82 2.4 -12.6 318 18 267.9 268.2 265.8 271.7 1.36 5 900 904 -10.1 -14.8 68 4.7 -11.2 318 19 271.1 271.3 267.9 274.9 1.34 6 878 1095 -9.7 -15.7 62 6.0 -11.2 319 22 273.4 273.7 269.4 277.1 1.28 7 850 1347 -5.5 -14.5 49 9.0 -8.0 320 25 280.4 280.6 273.8 284.6 1.46 8 842 1421 -4.5 -14.5 46 10.0 -7.4 320 25 282.2 282.4 274.8 286.5 1.47 9 783 1993 -5.1 -22.1 25 17.0 -9.2 320 25 287.5 287.6 276.7 290.0 0.83 10 772 2104 -5.7 -22.7 25 17.0 -9.7 320 25 288.0 288.1 276.9 290.5 0.80 11 700 2863 -11.3 -22.3 40 11.0 -13.8 320 25 290.0 290.1 278.0 292.8 0.91 12 635 3602 -17.3 -28.3 38 11.0 -19.2 319 27 291.3 291.4 278.2 293.2 0.58 13 600 4024 -19.9 -39.9 15 20.0 -22.2 318 28 293.1 293.1 278.5 293.8 0.20 14 586 4199 -21.5 -41.5 15 20.0 -23.6 317 28 293.2 293.2 278.5 293.8 0.17 15 550 4663 -24.5 -46.5 11 22.0 -26.3 316 29 295.0 295.0 279.3 295.4 0.11 16 500 5350 -29.7 -49.7 13 20.0 -31.0 315 31 296.8 296.8 280.1 297.1 0.08 17 417 6617 -40.1 -56.1 16 16.0 -40.6 311 40 299.3 299.3 281.1 299.5 0.05 18 400 6900 -42.1 -55.1 23 13.0 -42.5 310 42 300.3 300.3 281.5 300.5 0.05 19 342 7943 -50.3 -56.3 49 6.0 -50.4 313 43 302.9 302.9 282.6 303.1 0.05 20 314 8497 -53.7 -61.7 37 8.0 -53.8 315 44 305.6 305.6 283.7 305.8 0.03 21 300 8790 -53.7 -65.7 22 12.0 -53.9 310 40 309.7 309.7 285.2 309.7 0.02 22 266 9565 -54.3 -71.3 11 17.0 -54.5 303 27 319.6 319.6 288.6 319.7 0.01 23 258 9764 -49.5 -77.5 2 28.0 -49.9 302 24 329.5 329.5 291.6 329.5 0.00 24 250 9970 -50.7 -82.7 1 32.0 -51.1 300 21 330.7 330.7 291.9 330.7 0.00 25 220 10804 -49.5 -82.5 1 33.0 -50.0 291 21 344.9 344.9 295.5 344.9 0.00 26 200 11430 -47.3 -80.3 1 33.0 -48.0 285 21 357.9 357.9 298.3 357.9 0.00 27 182 12053 -46.5 -80.5 1 34.0 -47.3 285 19 369.0 369.0 300.4 369.0 0.00 28 150 13330 -47.3 -80.3 1 33.0 -48.1 285 15 388.6 388.6 303.6 388.6 0.00 29 101 15944 -48.1 -81.1 1 33.0 -49.2 241 7 433.6 433.6 309.2 433.6 0.01 30 100 16010 -47.9 -80.9 1 33.0 -49.1 240 7 435.2 435.2 309.4 435.2 0.01 31 87 16928 -49.5 -82.5 1 33.0 -50.6 258 7 449.6 449.6 310.8 449.7 0.01 32 70 18360 -48.3 -81.3 1 33.0 -49.8 285 7 481.1 481.1 313.5 481.1 0.01 33 50 20560 -49.1 -82.1 1 33.0 -51.0 30 9 527.8 527.8 316.8 527.8 0.01 34 45 21253 -47.3 -80.3 1 33.0 -49.7 26 9 548.3 548.3 318.0 548.4 0.01 35 30 23920 -49.1 -82.1 1 33.0 -51.9 10 7 610.8 610.8 321.1 610.9 0.02 36 20 26580 -49.5 -82.5 1 33.0 -53.1 30 9 684.7 684.7 323.9 684.8 0.02 37 10 31200 -40.9 -76.9 1 36.0 -50.6 50 13 866.9 866.9 328.8 868.0 0.11 38 6.4 34279 -34.3 -72.3 1 38.0 -50.1 1012.9 1013.1 331.4 1017.2 0.34 TRP 314 8497 -53.7 -61.7 37 8.0 -53.8 315 44 305.6 305.6 283.7 305.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5254.33 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 39.03 % Est. max temperature: 5.34 C = 41.60 F Sfc-Lift cond lev (LCL): 967.68 mb = 348.09 m = 1142.03 ft T: -11.13 C 700-500 lapse rate: 7.40 C/km ThetaE index: 0.00 C Layer 1011.0- 0.1 mb Conv cond level (CCL): 623.24 mb = 3741.00 m = 12273.48 ft Mean mixing ratio: 1.47 g/kg Conv temperature: 19.68 C = 67.43 F Cap Strength: 22.24 C Lifted Index: 23.01 C Risk: None Lifted Index @300 mb: 28.84 C Lifted Index @700 mb: 20.03 C Showalter Index: 10.59 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 15.20 C K Index: -1.30 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.26 J/kg Max Up Vert Vel: 7.11 m/s Conv Inhibition (B-): 78152.44 J/kg Cap Strength: 22.95 C Lift Cond Lev (LCL): 933.75 mb = 621.93 m = 2040.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 19 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 1011 12 315 7 4.9 -4.9 | 184 14 0.9 13.5 1 850 1347 320 25 16.1 -19.2 | 273 12 12.0 -0.7 2 700 2863 320 25 16.1 -19.2 | 273 12 12.0 -0.7 3 500 5350 315 31 21.9 -21.9 | 281 18 17.9 -3.4 4 400 6900 310 42 32.2 -27.0 | 287 29 28.1 -8.5 5 314 8497 315 44 31.1 -31.1 | 295 30 27.1 -12.6 6 300 8790 310 40 30.6 -25.7 | 285 28 26.6 -7.2 7 250 9970 300 21 18.2 -10.5 | 241 16 14.1 8.0 8 200 11430 285 21 20.3 -5.4 | 231 21 16.2 13.1 9 150 13330 285 15 14.5 -3.9 | 216 18 10.4 14.6 10 100 16010 240 7 6.1 3.5 | 185 22 2.0 22.0 11 70 18360 285 7 6.8 -1.8 | 189 17 2.7 16.7 12 50 20560 30 9 -4.5 -7.8 | 141 14 -8.6 10.7 13 30 23920 10 7 -1.2 -6.9 | 156 13 -5.3 11.6 14 20 26580 30 9 -4.5 -7.8 | 141 14 -8.6 10.7 15 10 31200 50 13 -10.0 -8.4 | 126 17 -14.0 10.1 Wind Parameters Mean winds (0-6000m): 317.6 at 25.2 knts Storm direction: 347.6 at 18.9 knts Shear (0-3000m) pos: 3.1 neg: 0.1 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 90.1 deg Storm rel helicity (0-3000m) pos: 46.2 neg: 0.0 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.81 Bulk Shear: 31.32 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 ------------------------------------------------------------------------------- 500 319 10 192 11| 6.9 0.0 6.9| 17.3 0.0 17.3 34.5 0.84| 6.9 5.8 1000 319 14 210 10| 6.9 0.0 6.9| 34.2 0.0 34.2 34.2 0.91| 7.0 6.3 1500 319 17 231 9| 6.2 0.0 6.2| 45.7 0.0 45.7 30.5 0.91| 6.2 5.6 2000 319 19 243 9| 4.6 0.0 4.6| 45.7 0.0 45.7 22.9 0.91| 4.6 4.2 2500 320 20 250 10| 3.7 0.0 3.7| 45.7 0.0 45.7 18.3 0.91| 3.7 3.4 3000 320 21 255 10| 3.1 0.1 3.2| 46.2 0.0 46.2 15.4 0.90| 3.2 2.8 4000 319 22 262 11| 2.3 0.4 2.7| 49.6 0.0 49.6 12.4 0.83| 2.7 2.2 5000 319 24 267 12| 1.9 0.6 2.4| 52.4 0.0 52.4 10.5 0.77| 2.4 1.9 6000 318 25 271 13| 1.5 1.0 2.5| 60.4 0.0 60.4 10.1 0.67| 2.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250429.23.gif