UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121111.upa.cvt Date: 1100Z 11 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 11 DEC 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 1008 12 -24.9 -28.6 71 3.7 -25.2 195 1 247.7 247.7 247.4 248.7 0.36 1 993 122 -21.5 -24.6 76 3.1 -21.9 200 3 252.2 252.2 251.7 253.6 0.52 2 977 241 -21.3 -24.7 74 3.4 -21.7 205 5 253.5 253.6 252.9 255.0 0.53 3 969 302 -17.5 -23.5 59 6.0 -18.3 208 6 258.0 258.1 256.8 259.6 0.59 4 962 357 -14.9 -23.9 46 9.0 -16.3 210 7 261.1 261.2 259.3 262.7 0.58 5 950 452 -13.5 -26.5 33 13.0 -15.4 214 9 263.5 263.6 260.9 264.8 0.46 6 940 533 -12.9 -27.9 27 15.0 -15.1 218 10 264.9 265.0 261.8 266.1 0.41 7 896 897 -14.1 -28.1 30 14.0 -16.2 233 16 267.3 267.4 263.6 268.6 0.42 8 888 965 -12.3 -29.3 23 17.0 -14.8 236 17 269.9 269.9 265.3 271.0 0.38 9 850 1300 -11.3 -28.3 23 17.0 -14.1 250 23 274.3 274.4 268.4 275.6 0.44 10 829 1492 -10.1 -34.1 12 24.0 -13.6 253 22 277.5 277.6 270.1 278.4 0.26 11 766 2097 -13.9 -37.9 11 24.0 -16.9 261 19 279.8 279.8 271.4 280.4 0.19 12 732 2440 -15.9 -40.9 10 25.0 -18.7 265 17 281.3 281.3 272.2 281.7 0.15 13 700 2775 -18.5 -42.5 10 24.0 -20.9 270 15 282.0 282.0 272.6 282.4 0.13 14 626 3598 -24.3 -44.3 14 20.0 -25.9 275 18 284.5 284.5 274.0 284.9 0.12 15 576 4199 -28.1 -48.1 13 20.0 -29.4 279 20 286.9 286.9 275.2 287.2 0.09 16 500 5200 -34.5 -59.5 6 25.0 -35.4 285 23 291.0 291.0 277.2 291.1 0.03 17 415 6482 -43.1 -66.1 6 23.0 -43.6 302 26 295.8 295.8 279.5 295.9 0.01 18 400 6730 -44.3 -67.3 6 23.0 -44.7 305 27 297.4 297.4 280.2 297.5 0.01 19 314 8325 -52.7 -69.7 11 17.0 -52.9 309 35 307.0 307.0 284.2 307.1 0.01 20 300 8620 -53.1 -70.1 11 17.0 -53.3 310 36 310.5 310.5 285.5 310.5 0.01 21 281 9037 -54.7 -70.7 12 16.0 -54.9 305 36 314.1 314.1 286.8 314.1 0.01 22 250 9780 -53.9 -70.9 11 17.0 -54.1 280 25 325.9 325.9 290.6 326.0 0.01 23 220 10600 -56.7 -77.7 5 21.0 -56.9 277 35 333.8 333.8 292.7 333.8 0.00 24 213 10807 -55.7 -76.7 6 21.0 -55.9 276 37 338.4 338.4 293.9 338.4 0.01 25 200 11210 -55.3 -83.3 2 28.0 -55.6 275 42 345.2 345.2 295.6 345.2 0.00 26 183 11779 -53.3 -85.3 1 32.0 -53.7 272 39 357.3 357.3 298.2 357.3 0.00 27 155 12834 -58.7 -88.7 1 30.0 -58.9 266 34 365.5 365.5 299.8 365.5 0.00 28 150 13040 -57.5 -87.5 1 30.0 -57.8 265 33 371.0 371.0 300.7 371.0 0.00 29 113 14819 -58.7 -88.7 1 30.0 -59.0 268 34 400.1 400.1 305.2 400.1 0.00 30 101 15518 -61.1 -90.1 1 29.0 -61.4 270 35 408.5 408.5 306.3 408.5 0.00 31 100 15580 -60.9 -89.9 1 29.0 -61.2 270 35 410.1 410.1 306.5 410.1 0.00 32 91 16161 -63.7 -91.7 1 28.0 -63.9 270 36 415.7 415.7 307.2 415.7 0.00 33 88 16367 -61.7 -90.7 1 29.0 -62.0 270 37 423.7 423.7 308.2 423.7 0.00 34 70 17770 -65.1 -93.1 1 28.0 -65.3 270 40 445.1 445.1 310.4 445.1 0.00 35 61 18612 -64.1 -92.1 1 28.0 -64.4 272 42 465.2 465.2 312.3 465.2 0.00 36 50 19820 -68.1 -95.1 1 27.0 -68.3 275 44 483.0 483.0 313.7 483.0 0.00 37 32 22463 -73.7 -98.7 1 25.0 -73.9 279 56 533.8 533.8 317.2 533.8 0.00 38 30 22840 -73.7 -98.7 1 25.0 -73.9 280 58 543.7 543.7 317.8 543.7 0.00 39 20 25180 -79.1 -103.1 1 24.0 -79.2 290 62 594.0 594.0 320.3 594.0 0.00 40 10 29140 -77.5 -101.5 1 24.0 -77.7 280 71 730.3 730.3 325.4 730.3 0.00 41 9.0 29744 -77.6 -101.6 1 24.0 -77.9 275 71 752.4 752.4 326.0 752.4 0.00 42 7.1 31102 -77.7 -101.7 1 24.0 -78.0 804.6 804.6 327.4 804.6 0.00 TRP 281 9037 -54.7 -70.7 12 16.0 -54.9 305 36 314.1 314.1 286.8 314.1 0.01 WND 9.0 29744 -77.6 -101.6 1 24.0 -77.9 275 71 752.4 752.4 326.0 752.4 0.00 Sounding variables and indices 1000-500 mb thick: 5129.70 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 18.21 % Est. max temperature: 0.82 C = 33.48 F Sfc-Lift cond lev (LCL): 947.54 mb = 471.94 m = 1548.33 ft T: -13.35 C 700-500 lapse rate: 6.60 C/km ThetaE index: 0.00 C Layer 1008.0- 0.0 mb Conv cond level (CCL): 521.52 mb = 4901.82 m = 16081.90 ft Mean mixing ratio: 0.47 g/kg Conv temperature: 17.30 C = 63.14 F Cap Strength: 22.30 C Lifted Index: 24.66 C Risk: None Lifted Index @300 mb: 35.06 C Lifted Index @700 mb: 19.51 C Showalter Index: 12.88 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 6.20 C K Index: -29.10 Risk: None Sweat Index: 165.70 Risk: None Energy Index: 3.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.34 J/kg Max Up Vert Vel: 12.91 m/s Conv Inhibition (B-): 71032.59 J/kg Cap Strength: 24.31 C Lift Cond Lev (LCL): 819.81 mb = 1577.47 m = 5175.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 14 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 1008 12 195 1 0.3 1.0 | 126 14 -11.4 8.2 1 850 1300 250 23 21.6 7.9 | 214 18 10.0 15.1 2 700 2775 270 15 15.0 -0.0 | 205 8 3.4 7.2 3 500 5200 285 23 22.2 -6.0 | 263 11 10.6 1.2 4 400 6730 305 27 22.1 -15.5 | 308 13 10.5 -8.3 5 300 8620 310 36 27.6 -23.1 | 315 23 15.9 -15.9 6 281 9037 305 36 29.5 -20.6 | 307 22 17.9 -13.5 7 250 9780 280 25 24.6 -4.3 | 258 13 13.0 2.8 8 200 11210 275 42 41.8 -3.7 | 263 30 30.2 3.5 9 150 13040 265 33 32.9 2.9 | 245 24 21.2 10.1 10 100 15580 270 35 35.0 -0.0 | 253 24 23.4 7.2 11 70 17770 270 40 40.0 -0.0 | 256 29 28.4 7.2 12 50 19820 275 44 43.8 -3.8 | 264 32 32.2 3.4 13 30 22840 280 58 57.1 -10.1 | 274 46 45.5 -2.9 14 20 25180 290 62 58.3 -21.2 | 287 49 46.6 -14.0 15 10 29140 280 71 69.9 -12.3 | 275 59 58.3 -5.1 Wind Parameters Mean winds (0-6000m): 271.7 at 18.2 knts Storm direction: 301.7 at 13.7 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 85.8 deg Storm rel helicity (0-3000m) pos: 111.1 neg: -3.9 tot: 107.2 m^2/s^2 ave: 35.7 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.2 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 3.38 Bulk Shear: 24.68 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 ------------------------------------------------------------------------------- 500 282 5 131 9| 8.9 0.0 8.9| 34.2 0.0 34.2 68.4 0.97| 9.1 8.8 1000 250 9 165 11| 8.9 0.0 8.9| 77.9 0.0 77.9 77.9 0.98| 9.7 9.5 1500 249 13 184 12| 7.3 0.0 7.3|109.2 0.0 109.2 72.8 0.94| 9.2 8.7 2000 251 15 192 12| 4.8 0.0 4.8|109.6 -0.3 109.3 54.6 0.83| 7.9 6.5 2500 253 16 196 12| 3.3 0.0 3.3|109.6 -2.4 107.1 42.8 0.72| 7.0 5.0 3000 256 16 198 12| 2.7 0.0 2.7|111.1 -3.9 107.2 35.7 0.68| 6.2 4.2 4000 261 16 204 11| 2.4 0.0 2.4|119.2 -3.9 115.3 28.8 0.70| 5.2 3.6 5000 266 17 213 10| 2.3 0.0 2.3|128.2 -3.9 124.3 24.9 0.72| 4.5 3.3 6000 272 18 225 9| 2.2 0.0 2.2|144.2 -3.9 140.3 23.4 0.75| 4.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251211.11.gif