UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120911.upa.cvt Date: 1100Z 9 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 9 DEC 25 Station: BGSC WMO ident: 4339 Latitude: 70.48 Longitude: -21.95 Elevation: 69.00 ------------------------------------------------------------------------------- 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 1011 69 -9.1 -12.5 76 3.4 -9.9 15 25 263.2 263.5 262.6 267.1 1.44 1 981 301 -7.9 -11.5 75 3.6 -8.8 24 22 266.7 267.0 265.4 271.1 1.61 2 907 904 -11.3 -12.1 94 0.8 -11.5 46 12 269.3 269.5 267.3 273.9 1.66 3 850 1397 -14.5 -15.0 96 0.5 -14.6 65 5 271.0 271.2 268.0 274.9 1.40 4 841 1478 -14.7 -15.5 94 0.8 -14.9 66 5 271.6 271.8 268.2 275.4 1.36 5 826 1614 -13.1 -19.1 61 6.0 -14.4 67 5 274.7 274.8 269.7 277.6 1.02 6 809 1773 -12.1 -13.8 87 1.7 -12.5 69 4 277.4 277.6 272.3 282.0 1.62 7 780 2052 -12.7 -19.7 56 7.0 -14.2 72 4 279.6 279.8 272.7 282.7 1.03 8 775 2101 -12.9 -19.9 56 7.0 -14.4 72 4 279.9 280.1 272.8 282.9 1.02 9 703 2835 -18.9 -20.7 86 1.8 -19.3 80 3 281.2 281.4 273.6 284.3 1.05 10 700 2867 -18.7 -20.6 85 1.9 -19.1 80 3 281.8 282.0 274.0 284.9 1.06 11 687 3007 -18.1 -22.9 66 4.8 -19.0 87 4 284.0 284.1 274.9 286.6 0.88 12 658 3327 -19.7 -29.7 41 10.0 -21.2 102 7 285.7 285.8 275.2 287.2 0.49 13 634 3602 -21.7 -28.7 53 7.0 -22.7 115 10 286.5 286.6 275.7 288.2 0.56 14 584 4200 -26.9 -30.9 69 4.0 -27.4 145 16 287.2 287.3 276.0 288.8 0.50 15 523 4985 -32.9 -35.4 78 2.5 -33.1 184 24 289.2 289.2 276.8 290.3 0.36 16 500 5300 -34.9 -38.2 72 3.3 -35.1 200 27 290.5 290.5 277.4 291.4 0.28 17 439 6195 -41.7 -43.4 83 1.7 -41.8 215 27 292.9 292.9 278.4 293.5 0.19 18 400 6820 -45.3 -47.2 81 1.9 -45.4 225 27 296.1 296.1 279.8 296.6 0.14 19 385 7075 -45.5 -51.5 51 6.0 -45.7 227 29 299.1 299.1 281.1 299.4 0.09 20 362 7483 -47.7 -49.9 78 2.2 -47.8 230 33 301.5 301.5 282.1 301.9 0.11 21 321 8267 -52.9 -55.3 75 2.4 -52.9 236 40 304.8 304.8 283.4 305.1 0.07 22 300 8700 -56.1 -60.5 58 4.4 -56.2 240 44 306.3 306.3 284.0 306.4 0.04 23 285 9026 -58.5 -63.5 52 5.0 -58.6 238 38 307.4 307.4 284.4 307.5 0.03 24 257 9677 -60.5 -67.5 39 7.0 -60.6 235 27 313.6 313.6 286.6 313.7 0.02 25 250 9850 -59.1 -65.1 46 6.0 -59.2 240 29 318.2 318.2 288.2 318.3 0.02 26 215 10796 -59.1 -69.1 26 10.0 -59.2 237 24 332.2 332.2 292.3 332.3 0.02 27 200 11250 -58.1 -72.1 15 14.0 -58.3 235 21 340.8 340.8 294.5 340.8 0.01 28 194 11442 -57.5 -73.5 11 16.0 -57.7 237 21 344.7 344.7 295.4 344.7 0.01 29 185 11741 -58.3 -77.3 7 19.0 -58.5 239 22 348.1 348.1 296.2 348.1 0.01 30 181 11879 -58.5 -79.5 5 21.0 -58.7 240 22 350.0 350.0 296.6 350.0 0.00 31 150 13060 -58.3 -85.3 2 27.0 -58.5 250 23 369.6 369.6 300.5 369.6 0.00 32 101 15519 -62.1 -91.1 1 29.0 -62.3 255 31 406.6 406.6 306.1 406.6 0.00 33 100 15580 -61.7 -90.7 1 29.0 -61.9 255 31 408.5 408.5 306.3 408.5 0.00 34 70 17770 -64.5 -92.5 1 28.0 -64.7 255 38 446.4 446.4 310.5 446.4 0.00 35 50 19820 -66.7 -93.7 1 27.0 -67.0 260 38 486.3 486.3 314.0 486.3 0.00 36 30 22860 -71.9 -97.9 1 26.0 -72.1 270 73 548.6 548.6 318.0 548.6 0.00 TRP 257 9677 -60.5 -67.5 39 7.0 -60.6 235 27 313.6 313.6 286.6 313.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5146.58 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 72.69 % Est. max temperature: -1.68 C = 28.98 F Sfc-Lift cond lev (LCL): 957.44 mb = 488.30 m = 1602.03 ft T: -8.95 C 700-500 lapse rate: 6.66 C/km ThetaE index: 0.00 C Layer 1011.0- 0.0 mb Conv cond level (CCL): 876.72 mb = 1162.04 m = 3812.41 ft Mean mixing ratio: 1.61 g/kg Conv temperature: -2.15 C = 28.13 F Cap Strength: 15.01 C Lifted Index: 15.82 C Risk: None Lifted Index @300 mb: 24.68 C Lifted Index @700 mb: 10.61 C Showalter Index: 13.07 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 19.90 C K Index: 3.50 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.08 J/kg Max Up Vert Vel: 6.01 m/s Conv Inhibition (B-): 39736.67 J/kg Cap Strength: 15.46 C Lift Cond Lev (LCL): 919.88 mb = 795.92 m = 2611.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 219 at 10 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 1011 69 15 25 -6.5 -24.1 | 22 35 -13.0 -32.3 1 850 1397 65 5 -4.5 -2.1 | 47 15 -11.1 -10.3 2 700 2867 80 3 -3.0 -0.5 | 48 13 -9.5 -8.7 3 500 5300 200 27 9.2 25.4 | 189 17 2.7 17.2 4 400 6820 225 27 19.1 19.1 | 229 17 12.6 10.9 5 300 8700 240 44 38.1 22.0 | 246 34 31.6 13.8 6 257 9677 235 27 22.1 15.5 | 245 17 15.6 7.3 7 250 9850 240 29 25.1 14.5 | 251 20 18.6 6.3 8 200 11250 235 21 17.2 12.0 | 250 11 10.7 3.9 9 150 13060 250 23 21.6 7.9 | 271 15 15.1 -0.3 10 100 15580 255 31 29.9 8.0 | 270 23 23.4 -0.1 11 70 17770 255 38 36.7 9.8 | 267 30 30.2 1.7 12 50 19820 260 38 37.4 6.6 | 273 31 30.9 -1.6 13 30 22860 270 73 73.0 -0.0 | 277 67 66.5 -8.2 Wind Parameters Mean winds (0-6000m): 188.7 at 13.9 knts Storm direction: 218.7 at 10.5 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 32.8 deg Storm rel helicity (0-3000m) pos: 100.1 neg: -0.2 tot: 99.9 m^2/s^2 ave: 33.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 168.97 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 7 22 17 31| 10.5 0.0 10.5| 63.2 0.0 63.2 126.4 0.73| 10.6 7.8 1000 18 18 26 28| 9.3 0.0 9.3| 90.6 0.0 90.6 90.6 0.62| 9.8 6.0 1500 24 14 30 24| 7.7 0.0 7.7| 93.7 -0.0 93.7 62.4 0.50| 8.4 4.2 2000 28 12 33 22| 5.9 0.0 5.9| 94.1 -0.0 94.1 47.0 0.49| 6.5 3.2 2500 32 10 35 20| 4.9 0.0 4.9| 94.2 -0.1 94.1 37.6 0.48| 5.4 2.6 3000 35 9 37 19| 4.1 0.0 4.1|100.1 -0.2 99.9 33.3 0.49| 4.9 2.4 4000 57 9 47 19| 4.6 0.0 4.6|154.0 -0.2 153.7 38.4 0.64| 5.4 3.5 5000 124 11 83 16| 5.1 0.0 5.1|238.7 -0.2 238.5 47.7 0.76| 6.3 4.8 6000 189 14 142 7| 4.4 0.0 4.4|290.0 -0.2 289.7 48.3 0.79| 6.3 5.0 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251209.11.gif