UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041923.upa.cvt Date: 2300Z 19 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 19 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 1028 12 -20.3 -26.3 59 6.0 -21.0 285 9 250.9 250.9 250.4 252.0 0.43 1 1022 56 -17.3 -25.3 50 8.0 -18.3 286 9 254.3 254.3 253.4 255.6 0.48 2 989 301 -16.9 -25.9 46 9.0 -18.1 289 10 257.1 257.1 255.8 258.4 0.47 3 935 723 -16.3 -31.3 26 15.0 -18.1 295 12 261.8 261.9 259.2 262.7 0.30 4 928 779 -16.5 -31.5 26 15.0 -18.3 296 12 262.2 262.2 259.5 263.1 0.30 5 913 902 -17.5 -32.5 26 15.0 -19.2 297 13 262.4 262.4 259.6 263.2 0.27 6 868 1277 -20.9 -32.9 33 12.0 -22.1 303 14 262.7 262.7 259.8 263.5 0.28 7 850 1432 -20.3 -33.3 30 13.0 -21.7 305 15 264.9 264.9 261.5 265.7 0.27 8 776 2104 -21.7 -36.7 24 15.0 -23.1 314 18 270.4 270.4 265.3 271.0 0.21 9 719 2664 -23.5 -38.5 24 15.0 -24.8 322 20 274.4 274.4 268.0 275.0 0.19 10 700 2859 -24.5 -40.5 21 16.0 -25.8 325 21 275.4 275.4 268.5 275.9 0.16 11 632 3597 -27.9 -41.9 25 14.0 -28.9 320 29 279.6 279.7 271.2 280.1 0.15 12 581 4197 -30.7 -46.7 19 16.0 -31.7 317 36 283.2 283.2 273.2 283.5 0.10 13 519 4991 -34.7 -44.7 36 10.0 -35.3 312 45 287.6 287.7 275.7 288.1 0.14 14 500 5250 -36.5 -46.5 35 10.0 -37.0 310 48 288.5 288.6 276.1 288.9 0.12 15 481 5519 -38.1 -47.1 38 9.0 -38.5 307 50 289.8 289.8 276.7 290.2 0.11 16 423 6395 -44.1 -53.1 36 9.0 -44.4 299 58 293.0 293.0 278.2 293.2 0.07 17 400 6770 -45.1 -62.1 13 17.0 -45.4 295 62 296.4 296.4 279.7 296.5 0.02 18 366 7359 -48.1 -59.1 27 11.0 -48.3 295 69 300.0 300.0 281.4 300.1 0.04 19 365 7377 -48.1 -59.4 26 11.3 -48.3 295 69 300.2 300.2 281.5 300.4 0.04 20 317 8307 -47.9 -72.9 4 25.0 -48.3 299 61 312.9 312.9 286.4 312.9 0.01 21 300 8670 -48.5 -73.5 4 25.0 -48.9 300 58 317.0 317.0 287.8 317.0 0.01 22 282 9076 -47.3 -80.3 1 33.0 -47.8 298 51 324.4 324.4 290.1 324.4 0.00 23 250 9870 -46.5 -80.5 1 34.0 -47.1 295 38 336.9 336.9 293.6 336.9 0.00 24 217 10814 -46.5 -80.5 1 34.0 -47.1 295 31 350.9 350.9 296.8 350.9 0.00 25 200 11360 -45.1 -79.1 1 34.0 -45.9 295 27 361.4 361.4 299.0 361.4 0.00 26 178 12135 -45.5 -79.5 1 34.0 -46.4 291 22 372.9 372.9 301.1 373.0 0.00 27 165 12642 -42.5 -77.5 1 35.0 -43.7 288 19 386.1 386.1 303.2 386.2 0.01 28 150 13280 -44.9 -78.9 1 34.0 -46.0 285 15 392.7 392.7 304.2 392.7 0.01 29 137 13887 -46.5 -80.5 1 34.0 -47.5 291 15 400.2 400.2 305.2 400.2 0.00 30 106 15592 -47.7 -80.7 1 33.0 -48.8 306 13 428.4 428.4 308.7 428.4 0.01 31 101 15914 -46.3 -80.3 1 34.0 -47.6 309 13 437.0 437.0 309.6 437.1 0.01 32 100 15980 -46.3 -80.3 1 34.0 -47.7 310 13 438.3 438.3 309.7 438.3 0.01 33 86 16978 -48.1 -81.1 1 33.0 -49.4 316 11 454.0 454.0 311.2 454.0 0.01 34 77 17714 -43.7 -78.7 1 35.0 -45.9 321 10 477.7 477.7 313.2 477.8 0.01 35 70 18350 -47.1 -81.1 1 34.0 -48.8 325 9 483.6 483.6 313.7 483.7 0.01 36 68 18542 -48.3 -81.3 1 33.0 -49.8 321 9 485.1 485.1 313.8 485.1 0.01 37 63 19048 -45.7 -79.7 1 34.0 -47.8 311 10 501.5 501.5 315.1 501.6 0.01 38 50 20580 -48.5 -81.5 1 33.0 -50.5 280 11 529.2 529.2 316.9 529.2 0.01 39 35 22932 -49.3 -82.3 1 33.0 -51.7 290 14 583.9 583.9 319.9 584.0 0.01 40 30 23950 -47.7 -80.7 1 33.0 -50.8 295 15 614.6 614.6 321.3 614.7 0.02 41 27 24644 -46.5 -80.5 1 34.0 -50.3 295 14 636.8 636.8 322.2 636.9 0.02 42 20 26620 -48.3 -81.3 1 33.0 -52.3 295 13 688.3 688.3 324.0 688.5 0.03 43 11 30570 -46.9 -80.9 1 34.0 -53.4 821.8 821.8 327.8 822.3 0.05 TRP 366 7359 -48.1 -59.1 27 11.0 -48.3 295 69 300.0 300.0 281.4 300.1 0.04 WND 365 7377 -48.1 -59.4 26 11.3 -48.3 295 69 300.2 300.2 281.5 300.4 0.04 Sounding variables and indices 1000-500 mb thick: 5031.41 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 28.12 % Est. max temperature: -8.45 C = 16.78 F Sfc-Lift cond lev (LCL): 930.89 mb = 756.04 m = 2480.43 ft T: -16.42 C 700-500 lapse rate: 5.02 C/km ThetaE index: 0.00 C Layer 1028.0--369098.8 mb Conv cond level (CCL): 531.11 mb = 4828.60 m = 15841.66 ft Mean mixing ratio: 0.41 g/kg Conv temperature: 15.86 C = 60.55 F Cap Strength: 23.67 C Lifted Index: 24.12 C Risk: None Lifted Index @300 mb: 40.95 C Lifted Index @700 mb: 15.09 C Showalter Index: 18.85 C Risk: None Total Totals Index: 19.40 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 3.20 C K Index: -33.10 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 4.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.61 J/kg Max Up Vert Vel: 7.95 m/s Conv Inhibition (B-): 71591.04 J/kg Cap Strength: 24.14 C Lift Cond Lev (LCL): 820.14 mb = 1695.94 m = 5564.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 21 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 1028 12 285 9 8.7 -2.3 | 187 17 2.0 17.3 1 850 1432 305 15 12.3 -8.6 | 207 12 5.6 11.0 2 700 2859 325 21 12.0 -17.2 | 246 6 5.3 2.4 3 500 5250 310 48 36.8 -30.9 | 291 32 30.1 -11.2 4 400 6770 295 62 56.2 -26.2 | 278 50 49.5 -6.6 5 366 7359 295 69 62.5 -29.2 | 280 57 55.8 -9.6 6 365 7377 295 69 62.5 -29.2 | 280 57 55.8 -9.6 7 300 8670 300 58 50.2 -29.0 | 282 45 43.5 -9.4 8 250 9870 295 38 34.4 -16.1 | 263 28 27.7 3.5 9 200 11360 295 27 24.5 -11.4 | 245 20 17.8 8.2 10 150 13280 285 15 14.5 -3.9 | 206 18 7.8 15.7 11 100 15980 310 13 10.0 -8.4 | 196 12 3.3 11.2 12 70 18350 325 9 5.2 -7.4 | 173 12 -1.5 12.2 13 50 20580 280 11 10.8 -1.9 | 193 18 4.1 17.7 14 30 23950 295 15 13.6 -6.3 | 207 15 6.9 13.3 15 20 26620 295 13 11.8 -5.5 | 200 15 5.1 14.1 Wind Parameters Mean winds (0-6000m): 311.1 at 27.6 knts Storm direction: 341.1 at 20.7 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 73.1 deg Storm rel helicity (0-3000m) pos: 37.4 neg: 0.0 tot: 37.4 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.69 Bulk Shear: 45.65 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 ------------------------------------------------------------------------------- 500 292 10 189 16| 2.5 0.0 2.5| 8.4 0.0 8.4 16.7 0.78| 2.5 2.0 1000 295 11 192 15| 2.6 0.0 2.6| 15.7 0.0 15.7 15.7 0.75| 2.6 1.9 1500 298 12 196 14| 2.6 0.0 2.6| 22.0 0.0 22.0 14.7 0.72| 2.7 1.9 2000 302 13 200 13| 2.7 0.0 2.7| 27.4 0.0 27.4 13.7 0.70| 2.7 1.9 2500 306 14 203 12| 2.7 0.0 2.7| 32.0 0.0 32.0 12.8 0.69| 2.8 1.9 3000 310 15 207 11| 2.9 0.0 2.9| 37.4 0.0 37.4 12.5 0.71| 3.0 2.2 4000 314 19 224 9| 2.2 1.5 3.7| 51.1 0.0 51.1 12.8 0.60| 3.8 2.3 5000 313 23 249 11| 1.7 2.4 4.2| 54.8 -0.7 54.1 10.8 0.44| 4.3 1.9 6000 311 28 264 14| 1.4 3.0 4.4| 54.8 -42.4 12.4 2.1 0.26| 4.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250419.23.gif