UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121023.upa.cvt Date: 2300Z 10 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 10 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 1012 12 -24.3 -27.6 74 3.3 -24.6 305 11 248.0 248.1 247.8 249.1 0.39 1 973 300 -20.7 -25.7 64 5.0 -21.3 295 13 254.4 254.5 253.6 255.8 0.48 2 948 493 -18.9 -26.9 49 8.0 -19.9 288 14 258.2 258.2 256.6 259.4 0.45 3 918 732 -19.5 -28.5 45 9.0 -20.5 280 15 259.9 260.0 257.9 261.1 0.40 4 897 904 -19.9 -27.9 49 8.0 -20.8 274 17 261.2 261.3 259.0 262.5 0.43 5 850 1302 -21.1 -27.1 58 6.0 -21.8 260 19 264.0 264.1 261.3 265.4 0.49 6 843 1363 -21.5 -27.5 58 6.0 -22.2 259 19 264.2 264.3 261.5 265.6 0.47 7 828 1496 -19.1 -23.0 71 3.9 -19.7 258 20 268.1 268.3 264.8 270.2 0.72 8 783 1910 -21.1 -23.2 83 2.1 -21.4 254 23 270.3 270.4 266.3 272.5 0.75 9 772 2015 -18.9 -24.9 59 6.0 -19.8 253 24 273.8 273.9 268.5 275.7 0.66 10 763 2103 -19.5 -27.5 49 8.0 -20.6 252 25 274.1 274.1 268.4 275.6 0.52 11 746 2270 -19.1 -32.1 31 13.0 -20.7 250 26 276.3 276.3 269.5 277.3 0.35 12 714 2597 -18.3 -35.3 21 17.0 -20.4 247 28 280.6 280.7 272.0 281.5 0.27 13 700 2745 -18.1 -32.1 28 14.0 -20.0 245 29 282.4 282.5 273.2 283.6 0.37 14 623 3602 -24.7 -36.7 32 12.0 -25.9 247 28 284.5 284.5 274.2 285.3 0.26 15 574 4192 -29.1 -42.1 27 13.0 -30.1 248 27 286.0 286.1 274.9 286.6 0.16 16 500 5160 -37.3 -47.3 35 10.0 -37.8 250 25 287.6 287.6 275.6 287.9 0.11 17 472 5555 -40.7 -48.7 42 8.0 -41.0 244 24 288.1 288.1 275.9 288.5 0.10 18 431 6169 -43.7 -58.7 17 15.0 -44.1 233 24 291.9 291.9 277.7 292.0 0.03 19 419 6359 -43.1 -61.1 12 18.0 -43.5 230 23 295.0 295.0 279.1 295.1 0.02 20 411 6489 -43.9 -64.9 8 21.0 -44.3 228 23 295.6 295.6 279.4 295.7 0.02 21 400 6670 -45.5 -64.5 10 19.0 -45.9 225 23 295.9 295.9 279.5 295.9 0.02 22 356 7440 -50.7 -64.7 17 14.0 -50.9 227 21 298.9 298.9 280.9 299.0 0.02 23 328 7973 -51.5 -67.5 13 16.0 -51.7 228 19 304.9 304.9 283.4 304.9 0.01 24 300 8550 -54.3 -69.3 14 15.0 -54.5 230 17 308.8 308.8 284.9 308.9 0.01 25 288 8811 -55.9 -67.9 21 12.0 -56.1 245 19 310.2 310.2 285.4 310.2 0.01 26 273 9153 -52.9 -70.9 10 18.0 -53.1 249 21 319.3 319.3 288.5 319.3 0.01 27 250 9720 -53.3 -79.3 3 26.0 -53.6 255 23 326.8 326.8 290.8 326.8 0.00 28 211 10808 -54.3 -82.3 2 28.0 -54.6 270 28 341.5 341.5 294.7 341.5 0.00 29 200 11150 -54.9 -84.9 1 30.0 -55.2 275 29 345.8 345.8 295.7 345.8 0.00 30 193 11378 -54.1 -85.1 1 31.0 -54.4 275 29 350.7 350.7 296.8 350.7 0.00 31 150 12980 -57.1 -87.1 1 30.0 -57.4 275 27 371.7 371.7 300.9 371.7 0.00 32 101 15458 -60.9 -89.9 1 29.0 -61.2 280 33 408.9 408.9 306.4 408.9 0.00 33 100 15520 -61.1 -90.1 1 29.0 -61.4 280 33 409.7 409.7 306.5 409.7 0.00 34 70 17710 -65.1 -93.1 1 28.0 -65.3 280 40 445.1 445.1 310.4 445.1 0.00 35 50 19740 -69.1 -96.1 1 27.0 -69.3 280 44 480.7 480.7 313.5 480.7 0.00 36 30 22770 -73.5 -98.5 1 25.0 -73.6 290 52 544.3 544.3 317.8 544.3 0.00 37 25 23830 -76.1 -101.1 1 25.0 -76.2 290 54 565.9 565.9 318.9 565.9 0.00 38 20 25120 -75.9 -100.9 1 25.0 -76.1 290 56 603.8 603.8 320.8 603.8 0.00 39 14 27172 -76.5 -101.5 1 25.0 -76.7 287 59 666.7 666.7 323.3 666.7 0.00 40 13 27594 -80.5 -104.5 1 24.0 -80.6 287 60 667.1 667.1 323.3 667.1 0.00 41 10 29080 -78.3 -102.3 1 24.0 -78.5 285 62 727.3 727.3 325.3 727.3 0.00 42 6.0 32029 -73.7 -99.3 1 25.5 -74.5 295 75 861.3 861.3 328.7 861.4 0.00 43 5.1 32982 -72.3 -98.3 1 26.0 -73.3 908.9 908.9 329.6 908.9 0.00 TRP 288 8811 -55.9 -67.9 21 12.0 -56.1 245 19 310.2 310.2 285.4 310.2 0.01 WND 6.0 32029 -73.7 -99.3 1 25.5 -74.5 295 75 861.3 861.3 328.7 861.4 0.00 Sounding variables and indices 1000-500 mb thick: 5060.49 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 42.57 % Est. max temperature: -8.94 C = 15.91 F Sfc-Lift cond lev (LCL): 957.78 mb = 417.20 m = 1368.75 ft T: -19.61 C 700-500 lapse rate: 7.95 C/km ThetaE index: 0.10 C Layer 763.0- 746.0 mb Conv cond level (CCL): 536.42 mb = 4666.80 m = 15310.84 ft Mean mixing ratio: 0.44 g/kg Conv temperature: 14.66 C = 58.39 F Cap Strength: 25.14 C Lifted Index: 25.38 C Risk: None Lifted Index @300 mb: 36.94 C Lifted Index @700 mb: 23.63 C Showalter Index: 18.23 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 10.20 C K Index: -24.90 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 4.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.03 J/kg Max Up Vert Vel: 9.80 m/s Conv Inhibition (B-): 65309.70 J/kg Cap Strength: 25.36 C Lift Cond Lev (LCL): 864.59 mb = 1176.11 m = 3858.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 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 1012 12 305 11 9.0 -6.3 | 70 9 -8.2 -2.9 1 850 1302 260 19 18.7 3.3 | 193 7 1.5 6.7 2 700 2745 245 29 26.3 12.3 | 210 18 9.1 15.6 3 500 5160 250 25 23.5 8.6 | 208 13 6.3 11.9 4 400 6670 225 23 16.3 16.3 | 177 20 -0.9 19.7 5 300 8550 230 17 13.0 10.9 | 164 15 -4.2 14.3 6 288 8811 245 19 17.2 8.0 | 180 11 0.0 11.4 7 250 9720 255 23 22.2 6.0 | 208 11 5.0 9.3 8 200 11150 275 29 28.9 -2.5 | 266 12 11.7 0.9 9 150 12980 275 27 26.9 -2.4 | 264 10 9.7 1.0 10 100 15520 280 33 32.5 -5.7 | 279 15 15.3 -2.3 11 70 17710 280 40 39.4 -6.9 | 279 22 22.2 -3.6 12 50 19740 280 44 43.3 -7.6 | 279 26 26.1 -4.3 13 30 22770 290 52 48.9 -17.8 | 294 35 31.7 -14.4 14 20 25120 290 56 52.6 -19.2 | 294 39 35.4 -15.8 15 10 29080 285 62 59.9 -16.0 | 287 45 42.7 -12.7 Wind Parameters Mean winds (0-6000m): 251.1 at 23.4 knts Storm direction: 281.1 at 17.5 knts Shear (0-3000m) pos: 0.0 neg: 4.3 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 139.6 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -0.4 tot: 11.6 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.53 Bulk Shear: 31.47 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 ------------------------------------------------------------------------------- 500 288 12 85 6| 0.0 5.0 5.0| 0.8 -0.2 0.6 1.2 0.11| 5.1 0.5 1000 281 14 101 4| 0.0 5.3 5.3| 3.6 -0.2 3.4 3.4 0.46| 5.5 2.5 1500 273 16 147 3| 0.0 5.2 5.2| 6.7 -0.2 6.5 4.3 0.43| 5.5 2.4 2000 267 17 180 4| 0.0 5.0 5.0| 10.3 -0.2 10.1 5.0 0.41| 5.1 2.1 2500 262 19 194 6| 0.0 4.8 4.8| 12.0 -0.2 11.8 4.7 0.36| 5.0 1.8 3000 258 20 200 8| 0.0 4.3 4.3| 12.0 -0.4 11.6 3.9 0.33| 4.5 1.5 4000 254 22 204 10| 0.2 3.2 3.4| 12.0 -1.3 10.8 2.7 0.30| 3.6 1.1 5000 253 23 205 11| 0.4 2.6 3.0| 12.0 -2.6 9.5 1.9 0.27| 3.1 0.8 6000 251 23 204 12| 0.3 2.2 2.6| 12.0 -23.1 -11.0 -1.8 0.08| 3.1 0.3 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251210.23.gif