UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 9 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 995 52 -19.3 -28.3 45 9.0 -20.3 355 1 254.2 254.3 253.2 255.3 0.37 1 983 146 2.0 -12.0 35 14.0 -2.4 0 3 276.5 276.8 271.7 280.9 1.55 2 965 295 0.4 -11.6 40 12.0 -3.3 8 6 276.4 276.6 271.7 281.0 1.63 3 910 763 -3.9 -11.9 54 8.0 -6.3 32 17 276.6 276.9 271.9 281.4 1.68 4 894 903 -5.5 -12.5 58 7.0 -7.5 39 20 276.4 276.6 271.7 281.0 1.63 5 850 1297 -9.1 -12.8 74 3.7 -10.1 60 29 276.6 276.9 271.9 281.4 1.68 6 803 1734 -12.9 -13.4 96 0.5 -13.0 72 29 277.1 277.4 272.3 281.9 1.69 7 794 1820 -12.9 -12.9 100 0.0 -12.9 74 29 278.0 278.3 272.9 283.1 1.78 8 765 2103 -13.7 -13.7 100 0.0 -13.7 82 29 280.1 280.4 274.0 285.1 1.73 9 700 2777 -14.1 -15.7 88 1.6 -14.5 100 29 286.9 287.2 277.5 291.7 1.61 10 683 2963 -14.9 -16.5 88 1.6 -15.3 101 29 288.0 288.3 278.0 292.6 1.54 11 627 3606 -19.5 -20.3 93 0.8 -19.7 103 27 289.9 290.1 278.4 293.6 1.21 12 618 3713 -20.1 -20.5 97 0.4 -20.2 104 27 290.4 290.6 278.7 294.1 1.21 13 578 4206 -23.5 -24.3 93 0.8 -23.7 106 26 292.0 292.2 279.0 294.9 0.93 14 500 5250 -31.7 -34.4 77 2.7 -32.0 110 23 294.4 294.5 279.4 295.8 0.41 15 464 5772 -35.7 -38.4 76 2.7 -35.9 123 22 295.8 295.8 279.9 296.8 0.30 16 400 6780 -44.9 -47.4 76 2.5 -45.0 150 19 296.6 296.7 280.0 297.1 0.13 17 327 8095 -56.1 -59.5 65 3.4 -56.2 164 15 298.8 298.8 280.8 299.0 0.04 18 300 8640 -58.7 -61.2 73 2.5 -58.7 170 13 302.6 302.6 282.5 302.7 0.03 19 279 9094 -60.9 -63.9 68 3.0 -60.9 155 13 305.8 305.8 283.7 305.9 0.03 20 274 9206 -60.1 -62.7 71 2.6 -60.2 153 14 308.5 308.5 284.8 308.6 0.03 21 250 9780 -58.9 -63.5 55 4.6 -59.0 145 21 318.5 318.5 288.3 318.6 0.03 22 213 10791 -57.3 -62.3 53 5.0 -57.4 141 21 335.9 335.9 293.3 336.1 0.04 23 200 11190 -57.1 -63.1 46 6.0 -57.2 140 21 342.3 342.3 294.9 342.5 0.04 24 187 11614 -55.3 -61.3 47 6.0 -55.5 144 21 351.9 351.9 297.1 352.1 0.05 25 150 13010 -56.3 -70.3 16 14.0 -56.6 155 21 373.1 373.1 301.1 373.2 0.02 26 140 13447 -57.1 -78.1 5 21.0 -57.4 158 22 379.1 379.1 302.1 379.1 0.01 27 101 15507 -58.1 -86.1 2 28.0 -58.5 175 29 414.3 414.3 307.0 414.3 0.00 28 100 15570 -57.9 -84.9 2 27.0 -58.3 175 29 415.9 415.9 307.2 415.9 0.00 TRP 279 9094 -60.9 -63.9 68 3.0 -60.9 155 13 305.8 305.8 283.7 305.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: Surface below freezing Freezing level: 984.13 mb = 137.44 m = 450.91 ft Freezing level: 959.88 mb = 338.76 m = 1111.40 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 81.66 % Est. max temperature: 3.12 C = 37.62 F Sfc-Lift cond lev (LCL): 857.45 mb = 1228.89 m = 4031.75 ft T: -8.48 C 700-500 lapse rate: 7.12 C/km ThetaE index: 0.39 C Layer 894.0- 850.0 mb Conv cond level (CCL): 660.25 mb = 3217.78 m = 10556.90 ft Mean mixing ratio: 1.57 g/kg Conv temperature: 15.19 C = 59.35 F Cap Strength: 11.49 C Lifted Index: 12.52 C Risk: None Lifted Index @300 mb: 16.28 C Lifted Index @700 mb: 8.85 C Showalter Index: 11.11 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 18.90 C K Index: 8.20 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 3.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.34 J/kg Max Up Vert Vel: 8.29 m/s Conv Inhibition (B-): 16334.94 J/kg Cap Strength: 12.38 C Lift Cond Lev (LCL): 807.10 mb = 1694.61 m = 5559.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 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 ---------------------------------------------------------- 0 995 52 355 1 0.1 -1.0 | 306 19 15.0 -11.1 1 850 1297 60 29 -25.1 -14.5 | 23 27 -10.2 -24.6 2 700 2777 100 29 -28.6 5.0 | 70 15 -13.6 -5.0 3 500 5250 110 23 -21.6 7.9 | 72 7 -6.7 -2.2 4 400 6780 150 19 -9.5 16.5 | 220 8 5.4 6.4 5 300 8640 170 13 -2.3 12.8 | 258 13 12.7 2.7 6 279 9094 155 13 -5.5 11.8 | 260 10 9.4 1.7 7 250 9780 145 21 -12.0 17.2 | 202 8 2.9 7.1 8 200 11190 140 21 -13.5 16.1 | 193 6 1.4 6.0 9 150 13010 155 21 -8.9 19.0 | 214 11 6.1 9.0 10 100 15570 175 29 -2.5 28.9 | 213 23 12.4 18.8 Wind Parameters Mean winds (0-6000m): 94.0 at 24.0 knts Storm direction: 124.0 at 18.0 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 124.0 deg Storm rel helicity (0-3000m) pos: 294.6 neg: 0.0 tot: 294.6 m^2/s^2 ave: 98.2 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 8.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.80 Bulk Shear: 43.16 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 94 6 317 13| 11.7 0.0 11.7| 59.5 0.0 59.5 119.0 0.89| 12.1 10.7 1000 61 12 344 17| 11.8 0.0 11.8|151.0 0.0 151.0 151.0 0.94| 13.2 12.4 1500 60 17 0 19| 9.8 0.0 9.8|225.3 0.0 225.3 150.2 0.94| 12.7 12.0 2000 65 20 10 19| 7.4 0.0 7.4|257.0 0.0 257.0 128.5 0.92| 11.3 10.4 2500 71 22 19 18| 6.0 0.0 6.0|283.5 0.0 283.5 113.4 0.90| 10.4 9.4 3000 76 23 26 17| 4.9 0.0 4.9|294.6 0.0 294.6 98.2 0.89| 9.4 8.3 4000 84 24 36 16| 3.4 0.0 3.4|295.7 0.0 295.7 73.9 0.85| 7.4 6.3 5000 89 24 42 14| 2.5 0.0 2.5|295.8 -0.1 295.8 59.2 0.81| 6.2 5.0 6000 94 24 47 12| 1.9 0.0 1.9|303.9 -0.1 303.8 50.6 0.80| 6.0 4.8 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251209.23.gif