UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120611.upa.cvt Date: 1100Z 6 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 6 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 1012 69 -6.9 -8.3 90 1.4 -7.3 90 1 265.3 265.7 265.1 270.8 2.02 1 982 304 -5.9 -7.2 91 1.3 -6.3 83 6 268.6 269.0 267.8 274.8 2.26 2 910 897 -7.9 -9.1 91 1.2 -8.2 66 19 272.5 272.9 270.1 278.3 2.11 3 889 1078 -8.9 -9.1 98 0.2 -8.9 60 23 273.3 273.7 270.7 279.3 2.16 4 881 1148 -7.5 -7.5 100 0.0 -7.5 58 25 275.5 275.9 272.5 282.3 2.47 5 862 1317 -7.5 -7.5 100 0.0 -7.5 53 29 277.2 277.6 273.6 284.2 2.52 6 850 1426 -8.1 -8.1 100 0.0 -8.1 50 31 277.7 278.1 273.8 284.5 2.44 7 812 1781 -8.9 -8.9 100 0.0 -8.9 55 28 280.5 280.9 275.2 287.3 2.40 8 779 2101 -10.1 -10.6 96 0.5 -10.2 59 26 282.5 282.9 276.0 288.8 2.19 9 755 2342 -10.7 -11.3 95 0.6 -10.9 62 24 284.4 284.8 277.0 290.6 2.13 10 700 2919 -15.1 -16.5 89 1.4 -15.4 70 19 285.8 286.0 276.7 290.2 1.50 11 639 3603 -20.3 -22.2 85 1.9 -20.7 86 17 287.4 287.6 276.9 290.5 1.01 12 589 4201 -25.7 -28.1 80 2.4 -26.1 101 15 287.9 288.0 276.6 289.9 0.64 13 500 5370 -34.1 -37.3 73 3.2 -34.4 130 11 291.5 291.5 277.9 292.5 0.31 14 400 6880 -47.1 -52.1 56 5.0 -47.3 195 25 293.8 293.8 278.6 294.0 0.08 15 354 7681 -53.3 -58.1 56 4.8 -53.4 201 21 295.9 295.9 279.6 296.0 0.04 16 300 8740 -57.9 -63.9 46 6.0 -58.0 210 15 303.7 303.7 282.9 303.8 0.02 17 250 9880 -61.1 -68.1 39 7.0 -61.2 235 15 315.2 315.2 287.2 315.3 0.02 18 241 10106 -62.3 -69.3 39 7.0 -62.4 255 9 316.8 316.8 287.7 316.8 0.01 19 215 10812 -60.5 -68.5 34 8.0 -60.6 246 11 330.1 330.1 291.7 330.1 0.02 20 200 11260 -61.7 -69.7 34 8.0 -61.8 240 13 335.1 335.1 293.1 335.1 0.02 21 181 11878 -60.3 -69.3 30 9.0 -60.4 250 14 347.0 347.0 296.0 347.1 0.02 22 150 13040 -62.1 -72.1 25 10.0 -62.2 270 17 363.1 363.1 299.3 363.2 0.02 23 136 13647 -61.9 -75.9 14 14.0 -62.0 271 20 373.8 373.8 301.2 373.8 0.01 24 111 14901 -63.7 -89.7 2 26.0 -63.8 274 26 392.8 392.8 304.2 392.8 0.00 25 101 15479 -64.7 -91.7 1 27.0 -64.8 275 29 401.6 401.6 305.4 401.6 0.00 26 100 15540 -64.3 -91.3 1 27.0 -64.5 275 29 403.5 403.5 305.7 403.5 0.00 27 70 17700 -66.7 -92.7 1 26.0 -66.9 280 21 441.7 441.7 310.0 441.7 0.00 28 50 19730 -68.7 -93.7 2 25.0 -68.9 310 29 481.6 481.6 313.6 481.6 0.00 29 30 22740 -73.7 -96.7 2 23.0 -73.9 310 48 543.7 543.7 317.8 543.7 0.00 30 20 25110 -72.5 -95.5 2 23.0 -72.8 310 64 614.2 614.2 321.2 614.3 0.00 TRP 241 10106 -62.3 -69.3 39 7.0 -62.4 255 9 316.8 316.8 287.7 316.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5207.93 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 88.07 % Est. max temperature: 4.97 C = 40.95 F Sfc-Lift cond lev (LCL): 989.56 mb = 243.94 m = 800.30 ft T: -6.15 C 700-500 lapse rate: 7.75 C/km ThetaE index: 0.39 C Layer 700.0- 639.0 mb Conv cond level (CCL): 748.66 mb = 2406.47 m = 7895.16 ft Mean mixing ratio: 2.17 g/kg Conv temperature: 12.39 C = 54.31 F Cap Strength: 11.64 C Lifted Index: 13.46 C Risk: None Lifted Index @300 mb: 20.07 C Lifted Index @700 mb: 11.07 C Showalter Index: 6.31 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 26.00 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 133.00 Risk: None Energy Index: 1.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.64 J/kg Max Up Vert Vel: 6.58 m/s Conv Inhibition (B-): 49014.43 J/kg Cap Strength: 13.42 C Lift Cond Lev (LCL): 941.04 mb = 635.63 m = 2085.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 105 at 13 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 1012 69 90 1 -1.0 0.0 | 286 12 11.7 -3.4 1 850 1426 50 31 -23.7 -19.9 | 25 26 -11.0 -23.3 2 700 2919 70 19 -17.9 -6.5 | 27 11 -5.1 -9.9 3 500 5370 130 11 -8.4 7.1 | 229 6 4.3 3.7 4 400 6880 195 25 6.5 24.1 | 223 28 19.2 20.8 5 300 8740 210 15 7.5 13.0 | 245 22 20.2 9.6 6 250 9880 235 15 12.3 8.6 | 258 26 25.0 5.2 7 241 10106 255 9 8.7 2.3 | 273 21 21.4 -1.0 8 200 11260 240 13 11.3 6.5 | 263 24 24.0 3.1 9 150 13040 270 17 17.0 -0.0 | 276 30 29.7 -3.4 10 100 15540 275 29 28.9 -2.5 | 278 42 41.6 -5.9 11 70 17700 280 21 20.7 -3.6 | 282 34 33.4 -7.0 12 50 19730 310 29 22.2 -18.6 | 302 41 34.9 -22.0 13 30 22740 310 48 36.8 -30.9 | 305 60 49.5 -34.2 14 20 25110 310 64 49.0 -41.1 | 306 76 61.7 -44.5 Wind Parameters Mean winds (0-6000m): 74.8 at 17.5 knts Storm direction: 104.8 at 13.2 knts Shear (0-3000m) pos: 2.5 neg: 5.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -4.7 tot: 36.4 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.71 Bulk Shear: 30.29 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 19 6 309 14| 0.0 11.4 11.4| 16.3 0.0 16.3 32.7 0.74| 11.6 8.5 1000 48 12 340 12| 0.0 11.4 11.4| 30.2 0.0 30.2 30.2 0.60| 11.9 7.1 1500 51 17 3 14| 0.0 10.0 10.0| 32.8 -3.4 29.4 19.6 0.41| 11.4 4.7 2000 52 20 11 16| 1.3 7.5 8.8| 38.8 -3.4 35.4 17.7 0.39| 9.9 3.8 2500 54 21 15 16| 2.1 6.0 8.0| 39.9 -3.5 36.4 14.6 0.35| 8.9 3.1 3000 56 21 16 16| 2.5 5.0 7.5| 41.2 -4.7 36.4 12.1 0.32| 8.2 2.6 4000 62 20 20 14| 2.9 3.7 6.6| 46.3 -4.7 41.5 10.4 0.33| 7.2 2.3 5000 67 18 22 11| 2.9 3.0 5.9| 48.4 -4.7 43.7 8.7 0.36| 6.4 2.3 6000 75 18 28 9| 3.3 2.5 5.8| 49.8 -10.4 39.5 6.6 0.28| 6.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251206.11.gif