UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120823.upa.cvt Date: 2300Z 8 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 8 DEC 25 Station: BGAM WMO ident: 4360 Latitude: 65.60 Longitude: -37.63 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1001 52 0.8 -6.2 59 7.0 -1.7 60 7 273.9 274.3 271.4 280.5 2.40 1 970 303 0.4 -12.6 37 13.0 -3.6 59 11 275.9 276.2 271.2 280.2 1.49 2 960 386 0.2 -11.8 40 12.0 -3.5 59 12 276.6 276.8 271.8 281.2 1.61 3 899 905 -4.9 -10.9 63 6.0 -6.7 57 20 276.5 276.9 272.2 281.8 1.85 4 850 1341 -8.7 -10.6 86 1.9 -9.2 55 27 277.0 277.4 272.7 282.7 2.00 5 814 1675 -11.5 -11.5 100 0.0 -11.5 62 27 277.5 277.8 272.9 283.0 1.95 6 803 1779 -12.3 -12.3 100 0.0 -12.3 64 26 277.7 278.1 272.9 283.0 1.85 7 770 2099 -13.5 -13.7 98 0.2 -13.6 70 26 279.8 280.1 273.9 284.8 1.72 8 743 2370 -13.9 -14.3 97 0.4 -14.0 76 26 282.2 282.5 275.2 287.2 1.70 9 700 2820 -17.1 -17.9 93 0.8 -17.3 85 25 283.5 283.8 275.3 287.5 1.33 10 686 2971 -18.5 -19.1 95 0.6 -18.6 75 24 283.6 283.8 275.2 287.3 1.23 11 661 3246 -20.5 -24.5 70 4.0 -21.2 58 21 284.4 284.5 275.0 286.8 0.79 12 630 3598 -23.3 -25.8 80 2.5 -23.7 35 18 285.1 285.3 275.3 287.4 0.74 13 580 4196 -27.9 -29.3 88 1.4 -28.1 356 13 286.6 286.7 275.9 288.4 0.58 14 556 4499 -28.7 -39.7 34 11.0 -29.6 335 10 289.1 289.2 276.6 289.9 0.22 15 529 4853 -30.7 -45.7 22 15.0 -31.7 312 7 290.9 290.9 277.3 291.3 0.12 16 500 5250 -33.5 -47.5 23 14.0 -34.3 285 3 292.2 292.2 277.9 292.6 0.10 17 467 5729 -35.9 -47.9 28 12.0 -36.5 273 5 295.0 295.0 279.3 295.3 0.11 18 443 6095 -39.1 -49.1 34 10.0 -39.6 263 7 295.4 295.4 279.4 295.8 0.10 19 400 6790 -43.9 -55.9 25 12.0 -44.3 245 11 297.9 297.9 280.5 298.1 0.05 20 392 6925 -44.7 -64.7 9 20.0 -45.1 245 11 298.6 298.6 280.7 298.7 0.02 21 346 7747 -50.7 -65.7 15 15.0 -50.9 245 13 301.3 301.3 281.9 301.4 0.02 22 300 8670 -52.9 -66.9 17 14.0 -53.1 245 15 310.8 310.8 285.6 310.8 0.02 23 287 8955 -53.7 -68.7 14 15.0 -53.9 249 13 313.6 313.6 286.6 313.7 0.01 24 267 9414 -57.1 -70.1 18 13.0 -57.2 255 9 315.2 315.2 287.2 315.2 0.01 25 250 9830 -56.5 -67.5 24 11.0 -56.6 250 7 322.1 322.1 289.4 322.1 0.02 26 223 10554 -59.1 -70.1 23 11.0 -59.2 209 5 328.8 328.8 291.4 328.8 0.01 27 214 10813 -58.7 -70.7 20 12.0 -58.8 194 4 333.3 333.3 292.6 333.3 0.01 28 200 11240 -58.1 -74.1 11 16.0 -58.3 170 3 340.8 340.8 294.5 340.8 0.01 29 168 12337 -56.9 -75.9 7 19.0 -57.2 191 7 360.2 360.2 298.7 360.2 0.01 30 150 13050 -58.5 -82.5 3 24.0 -58.7 205 9 369.3 369.3 300.4 369.3 0.00 31 131 13896 -60.9 -89.9 1 29.0 -61.1 213 13 379.6 379.6 302.2 379.6 0.00 32 101 15518 -59.3 -89.3 1 30.0 -59.6 229 21 412.0 412.0 306.7 412.0 0.00 33 100 15580 -59.3 -89.3 1 30.0 -59.6 230 21 413.2 413.2 306.9 413.2 0.00 34 93 16037 -58.1 -88.1 1 30.0 -58.5 234 21 424.2 424.2 308.2 424.2 0.00 35 70 17820 -60.1 -89.1 1 29.0 -60.5 250 23 455.8 455.8 311.4 455.8 0.00 36 50 19910 -62.5 -91.5 1 29.0 -62.9 230 42 496.2 496.2 314.7 496.2 0.00 37 45 20561 -60.7 -89.7 1 29.0 -61.3 235 44 515.7 515.7 316.0 515.8 0.00 38 30 23050 -65.3 -93.3 1 28.0 -65.8 255 52 566.6 566.6 319.0 566.6 0.00 39 20 25490 -70.5 -96.5 1 26.0 -70.9 265 64 620.4 620.4 321.5 620.4 0.00 40 19 25794 -71.7 -97.7 1 26.0 -72.0 625.8 625.8 321.7 625.8 0.00 41 13 28041 -70.3 -96.3 1 26.0 -70.8 702.4 702.4 324.5 702.4 0.00 TRP 267 9414 -57.1 -70.1 18 13.0 -57.2 255 9 315.2 315.2 287.2 315.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5190.01 m Freezing level: 957.61 mb = 406.45 m = 1333.49 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 70.44 % Est. max temperature: 3.95 C = 39.11 F Sfc-Lift cond lev (LCL): 897.30 mb = 919.88 m = 3017.93 ft T: -5.03 C 700-500 lapse rate: 6.75 C/km ThetaE index: 0.29 C Layer 970.0- 960.0 mb Conv cond level (CCL): 777.22 mb = 2027.50 m = 6651.82 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 6.27 C = 43.29 F Cap Strength: 8.83 C Lifted Index: 9.61 C Risk: None Lifted Index @300 mb: 21.08 C Lifted Index @700 mb: 4.79 C Showalter Index: 8.32 C Risk: None Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 22.90 C K Index: 13.40 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.12 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 55177.77 J/kg Cap Strength: 9.40 C Lift Cond Lev (LCL): 816.87 mb = 1647.40 m = 5404.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 99 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 1001 52 60 7 -6.1 -3.5 | 313 8 6.0 -5.5 1 850 1341 55 27 -22.1 -15.5 | 30 20 -10.1 -17.5 2 700 2820 85 25 -24.9 -2.2 | 72 14 -12.9 -4.2 3 500 5250 285 3 2.9 -0.8 | 280 15 14.9 -2.8 4 400 6790 245 11 10.0 4.6 | 263 22 22.0 2.7 5 300 8670 245 15 13.6 6.3 | 260 26 25.6 4.3 6 267 9414 255 9 8.7 2.3 | 269 21 20.7 0.3 7 250 9830 250 7 6.6 2.4 | 269 19 18.6 0.4 8 200 11240 170 3 -0.5 3.0 | 265 12 11.5 1.0 9 150 13050 205 9 3.8 8.2 | 249 17 15.9 6.2 10 100 15580 230 21 16.1 13.5 | 248 30 28.1 11.5 11 70 17820 250 23 21.6 7.9 | 260 34 33.7 5.9 12 50 19910 230 42 32.2 27.0 | 241 51 44.2 25.0 13 30 23050 255 52 50.2 13.5 | 260 63 62.3 11.5 14 20 25490 265 64 63.8 5.6 | 267 76 75.8 3.6 Wind Parameters Mean winds (0-6000m): 69.4 at 16.3 knts Storm direction: 99.4 at 12.2 knts Shear (0-3000m) pos: 1.7 neg: 2.6 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 89.9 neg: -21.9 tot: 68.0 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.72 Bulk Shear: 5.89 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 56 10 336 9| 0.0 8.0 8.0| 16.0 0.0 16.0 32.1 0.94| 8.0 7.5 1000 56 15 0 10| 0.0 8.0 8.0| 31.3 0.0 31.3 31.3 0.77| 8.0 6.1 1500 56 18 15 13| 1.5 5.3 6.8| 48.1 0.0 48.1 32.0 0.70| 7.5 5.3 2000 59 20 23 14| 1.7 4.0 5.7| 67.1 0.0 67.1 33.5 0.73| 6.9 5.0 2500 62 21 30 14| 2.1 3.2 5.3| 83.8 0.0 83.8 33.5 0.75| 6.4 4.8 3000 66 22 36 14| 1.7 2.6 4.4| 89.9 -21.9 68.0 22.7 0.48| 6.7 3.2 4000 63 21 30 13| 1.3 2.8 4.1| 89.9-118.4 -28.5 -7.1 -0.05| 8.0 -0.4 5000 69 19 31 10| 1.0 1.8 2.9| 89.9-186.3 -96.4 -19.3 -0.22| 7.9 -1.7 6000 69 16 22 8| 0.9 1.7 2.6| 89.9-200.9-111.0 -18.5 -0.24| 7.1 -1.7 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251208.23.gif