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 BGEM... Searching the city database file for: BGEM ... Date:2300Z 8 DEC 25 Station: BGEM WMO ident: 4220 Latitude: 68.70 Longitude: -52.85 Elevation: 41.00 ------------------------------------------------------------------------------- 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 997 41 -3.5 -7.9 72 4.4 -4.9 45 15 269.9 270.2 268.4 275.7 2.11 1 975 216 -4.7 -10.7 63 6.0 -6.4 51 17 270.4 270.7 268.1 275.2 1.73 2 965 298 -1.3 -16.3 31 15.0 -5.3 54 17 274.6 274.8 269.8 277.8 1.11 3 924 642 -1.9 -18.9 26 17.0 -6.2 66 21 277.5 277.6 271.2 280.2 0.93 4 909 772 -0.3 -19.3 22 19.0 -5.3 71 22 280.4 280.6 272.9 283.1 0.91 5 895 896 -1.5 -20.5 22 19.0 -6.2 75 23 280.4 280.5 272.8 282.9 0.84 6 850 1304 -2.9 -34.9 6 32.0 -8.5 90 27 283.1 283.1 273.3 283.9 0.23 7 842 1379 -1.3 -39.3 4 38.0 -7.7 90 27 285.6 285.6 274.6 286.1 0.15 8 778 2004 -3.9 -51.9 1 48.0 -9.9 92 23 289.3 289.3 276.4 289.4 0.04 9 769 2096 -4.5 -52.5 1 48.0 -10.4 93 23 289.6 289.6 276.5 289.7 0.04 10 700 2827 -9.9 -55.9 1 46.0 -14.5 95 19 291.5 291.5 277.4 291.6 0.03 11 632 3607 -16.3 -51.3 3 35.0 -19.6 95 20 292.9 292.9 278.2 293.1 0.05 12 584 4198 -20.9 -45.9 9 25.0 -23.2 95 21 294.2 294.2 278.9 294.6 0.11 13 572 4351 -22.3 -46.3 9 24.0 -24.5 95 21 294.3 294.3 278.9 294.7 0.10 14 500 5330 -28.1 -51.1 9 23.0 -29.6 95 23 298.8 298.8 280.9 299.0 0.07 15 400 6880 -41.1 -60.1 11 19.0 -41.7 105 17 301.6 301.6 282.0 301.7 0.03 16 300 8770 -57.1 -69.1 20 12.0 -57.2 120 15 304.9 304.9 283.4 304.9 0.01 17 266 9520 -61.9 -73.9 19 12.0 -62.0 47 7 308.5 308.5 284.8 308.5 0.01 18 260 9660 -63.3 -74.3 21 11.0 -63.4 34 6 308.5 308.5 284.8 308.5 0.01 19 250 9900 -63.9 -73.9 24 10.0 -64.0 10 3 311.1 311.1 285.7 311.1 0.01 20 241 10124 -64.7 -72.7 32 8.0 -64.7 37 3 313.1 313.1 286.5 313.2 0.01 21 229 10436 -62.7 -68.7 44 6.0 -62.7 75 3 320.8 320.8 289.0 320.9 0.02 22 216 10794 -64.9 -71.9 37 7.0 -65.0 118 3 322.8 322.8 289.6 322.8 0.01 23 202 11200 -66.7 -73.7 37 7.0 -66.7 168 3 326.2 326.2 290.6 326.2 0.01 24 200 11260 -66.1 -73.1 37 7.0 -66.1 175 3 328.1 328.1 291.2 328.1 0.01 25 182 11836 -62.5 -75.5 16 13.0 -62.6 180 4 342.9 342.9 295.0 342.9 0.01 26 150 13030 -61.9 -84.9 3 23.0 -62.0 190 5 363.4 363.4 299.4 363.4 0.00 27 133 13775 -61.3 -90.3 1 29.0 -61.5 193 9 377.2 377.2 301.8 377.2 0.00 28 101 15479 -62.1 -91.1 1 29.0 -62.3 200 19 406.6 406.6 306.1 406.6 0.00 29 100 15540 -62.3 -91.3 1 29.0 -62.5 200 19 407.4 407.4 306.2 407.4 0.00 30 70 17730 -63.7 -91.7 1 28.0 -64.0 215 19 448.1 448.1 310.7 448.1 0.00 31 66 18091 -64.1 -92.1 1 28.0 -64.4 222 20 454.8 454.8 311.3 454.8 0.00 32 55 19212 -62.1 -91.1 1 29.0 -62.5 244 25 483.8 483.8 313.7 483.8 0.00 33 50 19800 -63.3 -91.3 1 28.0 -63.7 255 27 494.3 494.3 314.5 494.3 0.00 34 33 22319 -68.9 -95.9 1 27.0 -69.2 251 47 541.8 541.8 317.6 541.8 0.00 35 30 22890 -67.9 -94.9 1 27.0 -68.2 250 52 559.5 559.5 318.6 559.5 0.00 36 20 25310 -70.7 -96.7 1 26.0 -71.1 260 62 619.8 619.8 321.5 619.8 0.00 37 17 26278 -67.5 -94.5 1 27.0 -68.1 262 64 659.5 659.5 323.0 659.5 0.00 38 12 28350 -71.7 -97.7 1 26.0 -72.2 267 69 713.7 713.7 324.8 713.7 0.00 39 10 29430 -69.3 -96.3 1 27.0 -70.1 270 71 760.9 760.9 326.3 760.9 0.00 40 6.0 32501 -66.5 -94.4 1 27.9 -68.2 280 99 892.7 892.7 329.3 892.8 0.01 41 5.8 32706 -66.3 -94.3 1 28.0 -68.1 902.2 902.2 329.5 902.3 0.01 TRP 850 1304 -2.9 -34.9 6 32.0 -8.5 90 27 283.1 283.1 273.3 283.9 0.23 WND 6.0 32501 -66.5 -94.4 1 27.9 -68.2 280 99 892.7 892.7 329.3 892.8 0.01 Sounding variables and indices 1000-500 mb thick: 5289.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 10.38 % Est. max temperature: 10.63 C = 51.13 F Sfc-Lift cond lev (LCL): 930.16 mb = 589.40 m = 1933.70 ft T: -1.81 C 700-500 lapse rate: 7.27 C/km ThetaE index: 0.46 C Layer 975.0- 965.0 mb Conv cond level (CCL): 581.75 mb = 4226.11 m = 13865.02 ft Mean mixing ratio: 1.21 g/kg Conv temperature: 20.82 C = 69.47 F Cap Strength: 14.00 C Lifted Index: 16.65 C Risk: None Lifted Index @300 mb: 18.38 C Lifted Index @700 mb: 13.58 C Showalter Index: 12.81 C Risk: None Total Totals Index: 18.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: -6.80 C K Index: -55.70 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.34 J/kg Max Up Vert Vel: 9.20 m/s Conv Inhibition (B-): 56791.94 J/kg Cap Strength: 16.41 C Lift Cond Lev (LCL): 765.47 mb = 2131.59 m = 6993.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 121 at 16 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 ---------------------------------------------------------- 0 997 41 45 15 -10.6 -10.6 | 350 19 3.3 -18.9 1 850 1304 90 27 -27.0 0.0 | 58 15 -13.1 -8.2 2 700 2827 95 19 -18.9 1.7 | 37 8 -5.0 -6.6 3 500 5330 95 23 -22.9 2.0 | 55 11 -9.0 -6.2 4 400 6880 105 17 -16.4 4.4 | 33 5 -2.5 -3.8 5 300 8770 120 15 -13.0 7.5 | 309 1 0.9 -0.7 6 250 9900 10 3 -0.5 -3.0 | 310 17 13.4 -11.2 7 200 11260 175 3 -0.3 3.0 | 291 15 13.7 -5.3 8 150 13030 190 5 0.9 4.9 | 283 15 14.8 -3.3 9 100 15540 200 19 6.5 17.9 | 245 23 20.4 9.6 10 70 17730 215 19 10.9 15.6 | 254 26 24.8 7.3 11 50 19800 255 27 26.1 7.0 | 272 40 40.0 -1.3 12 30 22890 250 52 48.9 17.8 | 261 64 62.8 9.5 13 20 25310 260 62 61.1 10.8 | 268 75 75.0 2.5 14 10 29430 270 71 71.0 -0.0 | 276 85 84.9 -8.2 Wind Parameters Mean winds (0-6000m): 90.7 at 21.6 knts Storm direction: 120.7 at 16.2 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 49.2 deg Storm rel helicity (0-3000m) pos: 91.0 neg: -11.1 tot: 79.9 m^2/s^2 ave: 26.6 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.09 Bulk Shear: 13.70 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 63 17 5 16| 7.3 0.0 7.3| 34.3 0.0 34.3 68.6 0.98| 7.4 7.2 1000 70 20 17 16| 7.8 0.0 7.8| 70.6 0.0 70.6 70.6 0.98| 8.0 7.8 1500 77 22 29 15| 6.4 0.0 6.4| 90.5 -1.3 89.2 59.4 0.92| 7.4 6.8 2000 81 22 35 14| 4.4 0.0 4.4| 90.5 -4.8 85.6 42.8 0.77| 6.2 4.8 2500 84 22 38 14| 3.2 0.0 3.2| 90.5 -8.8 81.7 32.7 0.64| 5.5 3.5 3000 85 22 38 13| 2.6 0.0 2.6| 91.0 -11.1 79.9 26.6 0.57| 4.9 2.8 4000 88 21 40 12| 1.9 0.2 2.1| 94.0 -11.1 82.9 20.7 0.59| 3.9 2.3 5000 89 21 42 11| 1.5 0.3 1.9| 97.0 -11.1 85.9 17.2 0.59| 3.3 1.9 6000 91 22 44 11| 1.3 0.3 1.6| 97.8 -12.6 85.2 14.2 0.52| 3.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251208.23.gif