UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121011.upa.cvt Date: 1100Z 10 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 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 1016 12 -24.1 -27.4 74 3.3 -24.4 340 3 247.9 248.0 247.7 249.0 0.40 1 1000 128 -21.1 -24.1 77 3.0 -21.5 324 4 252.1 252.1 251.7 253.5 0.54 2 977 300 -20.1 -22.6 80 2.5 -20.4 301 5 254.7 254.8 254.2 256.5 0.64 3 966 384 -20.3 -22.1 85 1.8 -20.5 289 5 255.4 255.5 254.8 257.2 0.67 4 952 492 -19.5 -25.5 59 6.0 -20.3 274 6 257.2 257.3 256.0 258.6 0.50 5 901 901 -19.1 -27.1 49 8.0 -20.1 219 8 261.7 261.8 259.5 263.0 0.46 6 884 1042 -18.9 -25.9 54 7.0 -19.8 200 9 263.4 263.5 260.9 264.9 0.52 7 850 1333 -20.3 -26.3 59 6.0 -21.1 160 11 264.9 265.0 262.0 266.4 0.52 8 766 2096 -24.7 -26.7 83 2.0 -24.9 165 17 268.1 268.2 264.4 269.8 0.56 9 760 2153 -24.9 -26.8 84 1.9 -25.1 166 18 268.5 268.6 264.7 270.1 0.56 10 747 2279 -22.7 -27.7 64 5.0 -23.4 167 19 272.2 272.3 267.2 273.8 0.53 11 728 2468 -22.5 -31.5 44 9.0 -23.5 168 21 274.5 274.5 268.4 275.6 0.38 12 715 2600 -22.3 -32.3 40 10.0 -23.5 169 22 276.1 276.2 269.4 277.2 0.36 13 700 2755 -23.3 -34.3 36 11.0 -24.5 170 23 276.7 276.7 269.7 277.6 0.30 14 623 3602 -26.3 -44.3 17 18.0 -27.6 173 21 282.6 282.6 272.9 283.0 0.12 15 610 3754 -27.7 -45.7 16 18.0 -28.9 174 21 282.7 282.7 272.9 283.1 0.10 16 582 4092 -27.3 -53.3 7 26.0 -28.8 175 20 287.0 287.0 275.2 287.2 0.05 17 573 4204 -27.9 -53.9 7 26.0 -29.3 176 19 287.6 287.6 275.5 287.7 0.04 18 556 4420 -28.9 -55.9 6 27.0 -30.3 177 19 288.9 288.9 276.2 289.0 0.04 19 500 5170 -34.5 -55.5 10 21.0 -35.4 180 17 291.0 291.0 277.2 291.1 0.04 20 434 6148 -39.5 -62.5 7 23.0 -40.2 186 14 296.6 296.7 279.8 296.7 0.02 21 400 6700 -44.1 -64.1 9 20.0 -44.5 190 13 297.7 297.7 280.3 297.7 0.02 22 343 7711 -51.7 -66.7 15 15.0 -51.9 214 10 300.7 300.7 281.7 300.8 0.01 23 300 8570 -55.5 -67.5 21 12.0 -55.6 235 7 307.1 307.1 284.2 307.2 0.01 24 273 9171 -57.1 -72.1 13 15.0 -57.2 250 15 313.2 313.2 286.5 313.2 0.01 25 250 9730 -56.5 -72.5 12 16.0 -56.7 255 17 322.1 322.1 289.4 322.1 0.01 26 211 10809 -55.7 -77.7 5 22.0 -55.9 251 15 339.3 339.3 294.1 339.3 0.00 27 205 10993 -55.3 -79.3 4 24.0 -55.6 251 15 342.8 342.8 295.0 342.8 0.00 28 200 11150 -55.7 -80.7 3 25.0 -55.9 250 15 344.6 344.6 295.4 344.6 0.00 29 150 12970 -58.5 -88.5 1 30.0 -58.7 285 19 369.3 369.3 300.4 369.3 0.00 30 136 13585 -60.3 -89.3 1 29.0 -60.5 280 20 376.6 376.6 301.7 376.6 0.00 31 101 15438 -61.7 -90.7 1 29.0 -61.9 265 23 407.4 407.4 306.2 407.4 0.00 32 100 15500 -62.1 -91.1 1 29.0 -62.3 265 23 407.7 407.7 306.2 407.7 0.00 33 90 16148 -62.3 -91.3 1 29.0 -62.6 268 24 419.8 419.8 307.7 419.8 0.00 34 70 17680 -66.5 -94.5 1 28.0 -66.7 275 27 442.1 442.1 310.1 442.1 0.00 35 50 19700 -69.1 -96.1 1 27.0 -69.3 285 33 480.7 480.7 313.5 480.7 0.00 36 44 20464 -69.3 -96.3 1 27.0 -69.5 286 35 498.1 498.1 314.8 498.1 0.00 37 37 21488 -73.9 -98.9 1 25.0 -74.0 288 37 511.6 511.6 315.8 511.6 0.00 38 30 22710 -74.7 -99.7 1 25.0 -74.8 290 40 541.0 541.0 317.6 541.0 0.00 39 20 25050 -77.3 -101.3 1 24.0 -77.4 285 50 599.6 599.6 320.6 599.6 0.00 40 18 25656 -78.9 -102.9 1 24.0 -79.0 287 50 612.8 612.8 321.2 612.8 0.00 41 10 29020 -78.5 -102.5 1 24.0 -78.7 295 48 726.5 726.5 325.3 726.5 0.00 42 6.0 31958 -75.0 -99.8 1 24.8 -75.6 295 64 855.9 855.9 328.5 855.9 0.00 43 5.4 32571 -74.3 -99.3 1 25.0 -75.0 885.2 885.2 329.1 885.3 0.00 TRP 273 9171 -57.1 -72.1 13 15.0 -57.2 250 15 313.2 313.2 286.5 313.2 0.01 WND 6.0 31958 -75.0 -99.8 1 24.8 -75.6 295 64 855.9 855.9 328.5 855.9 0.00 Sounding variables and indices 1000-500 mb thick: 5041.73 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 40.22 % Est. max temperature: -7.78 C = 17.99 F Sfc-Lift cond lev (LCL): 961.59 mb = 417.68 m = 1370.32 ft T: -20.05 C 700-500 lapse rate: 4.64 C/km ThetaE index: 0.00 C Layer 1016.0- -0.2 mb Conv cond level (CCL): 534.89 mb = 4693.24 m = 15397.58 ft Mean mixing ratio: 0.54 g/kg Conv temperature: 17.84 C = 64.11 F Cap Strength: 27.10 C Lifted Index: 27.94 C Risk: None Lifted Index @300 mb: 35.53 C Lifted Index @700 mb: 18.16 C Showalter Index: 20.27 C Risk: None Total Totals Index: 22.40 C Risk: None Vertical Totals Index: 14.20 C Cross Totals Index: 8.20 C K Index: -23.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 5.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.32 J/kg Max Up Vert Vel: 8.98 m/s Conv Inhibition (B-): 73318.83 J/kg Cap Strength: 27.80 C Lift Cond Lev (LCL): 898.72 mb = 919.42 m = 3016.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 203 at 12 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 1016 12 340 3 1.0 -2.8 | 15 14 -3.6 -13.8 1 850 1333 160 11 -3.8 10.3 | 85 8 -8.4 -0.7 2 700 2755 170 23 -4.0 22.7 | 144 14 -8.6 11.6 3 500 5170 180 17 0.0 17.0 | 142 8 -4.6 6.0 4 400 6700 190 13 2.3 12.8 | 127 3 -2.3 1.8 5 300 8570 235 7 5.7 4.0 | 351 7 1.1 -7.0 6 273 9171 250 15 14.1 5.1 | 302 11 9.5 -5.9 7 250 9730 255 17 16.4 4.4 | 299 14 11.8 -6.6 8 200 11150 250 15 14.1 5.1 | 302 11 9.5 -5.9 9 150 12970 285 19 18.4 -4.9 | 319 21 13.7 -15.9 10 100 15500 265 23 22.9 2.0 | 296 20 18.3 -9.0 11 70 17680 275 27 26.9 -2.4 | 301 26 22.3 -13.4 12 50 19700 285 33 31.9 -8.5 | 306 34 27.3 -19.5 13 30 22710 290 40 37.6 -13.7 | 307 41 33.0 -24.7 14 20 25050 285 50 48.3 -12.9 | 299 50 43.7 -23.9 15 10 29020 295 48 43.5 -20.3 | 309 50 38.9 -31.3 Wind Parameters Mean winds (0-6000m): 172.7 at 15.9 knts Storm direction: 202.7 at 11.9 knts Shear (0-3000m) pos: 1.8 neg: 2.7 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 129.4 deg Storm rel helicity (0-3000m) pos: 36.0 neg: -20.9 tot: 15.1 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.37 Bulk Shear: 29.50 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 ------------------------------------------------------------------------------- 500 104 4 41 13| 0.0 5.8 5.8| 0.0 -17.9 -17.9 -35.8 -0.82| 6.3 -5.2 1000 135 6 52 11| 0.0 5.9 5.9| 2.3 -20.9 -18.6 -18.6 -0.25| 8.1 -2.0 1500 160 8 61 8| 0.0 5.3 5.3| 9.5 -20.9 -11.4 -7.6 0.07| 8.5 0.6 2000 162 9 74 8| 1.1 4.0 5.1| 19.3 -20.9 -1.6 -0.8 0.20| 7.5 1.5 2500 164 11 88 8| 1.8 3.2 5.0| 30.0 -20.9 9.1 3.6 0.27| 6.9 1.9 3000 166 13 102 8| 1.8 2.7 4.4| 36.0 -20.9 15.1 5.0 0.30| 6.2 1.9 4000 169 15 116 8| 1.1 2.0 3.1| 36.5 -20.9 15.6 3.9 0.28| 5.0 1.4 5000 171 16 123 9| 0.7 1.6 2.3| 36.5 -21.4 15.0 3.0 0.26| 4.3 1.1 6000 173 16 126 8| 0.5 1.3 1.9| 36.5 -22.1 14.4 2.4 0.23| 3.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251210.11.gif