UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123011.upa.cvt Date: 1100Z 30 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 30 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 1013 69 -8.5 -10.6 85 2.1 -9.1 70 3 263.7 263.9 263.3 268.2 1.68 1 983 303 -4.5 -12.5 54 8.0 -6.7 99 5 270.0 270.2 267.4 274.1 1.49 2 911 903 0.0 -18.0 24 18.0 -4.9 173 9 280.5 280.7 273.2 283.5 1.02 3 877 1205 -1.9 -18.9 26 17.0 -6.4 210 11 281.6 281.8 273.8 284.5 0.98 4 850 1453 0.0 -22.0 17 22.0 -5.7 240 13 286.1 286.3 275.9 288.5 0.77 5 839 1557 -0.5 -24.5 14 24.0 -6.3 242 14 286.7 286.8 276.0 288.6 0.63 6 830 1643 -1.1 -25.1 14 24.0 -6.8 244 15 286.9 287.0 276.0 288.8 0.60 7 784 2096 -3.3 -16.3 36 13.0 -7.1 252 20 289.3 289.5 278.3 293.4 1.36 8 773 2208 -3.9 -15.9 39 12.0 -7.5 255 22 289.8 290.1 278.7 294.2 1.43 9 759 2353 -1.5 -11.5 46 10.0 -5.0 257 23 293.9 294.3 281.4 300.3 2.09 10 745 2501 -1.5 -12.5 43 11.0 -5.3 260 25 295.5 295.9 282.0 301.5 1.96 11 700 2994 -4.5 -15.5 42 11.0 -7.9 270 31 297.5 297.8 282.4 302.6 1.63 12 685 3164 -6.1 -16.1 45 10.0 -9.2 270 32 297.6 297.9 282.4 302.5 1.59 13 669 3349 -5.7 -15.7 45 10.0 -8.9 270 32 300.0 300.3 283.5 305.3 1.68 14 648 3598 -7.5 -17.5 45 10.0 -10.5 270 34 300.7 301.0 283.6 305.5 1.49 15 599 4204 -11.7 -19.7 51 8.0 -13.9 270 36 302.7 303.0 284.2 307.0 1.34 16 500 5560 -22.1 -28.1 58 6.0 -23.2 270 42 306.1 306.2 284.8 308.6 0.76 17 494 5649 -22.5 -27.4 64 4.9 -23.4 270 42 306.7 306.8 285.1 309.4 0.82 18 453 6279 -28.1 -31.3 74 3.2 -28.6 268 43 307.3 307.4 285.1 309.4 0.62 19 400 7160 -35.5 -39.3 68 3.8 -35.8 265 44 308.9 308.9 285.3 310.0 0.32 20 317 8723 -49.7 -55.7 49 6.0 -49.8 277 52 310.4 310.4 285.5 310.6 0.06 21 300 9080 -52.1 -58.1 48 6.0 -52.2 280 54 311.9 311.9 286.1 312.1 0.05 22 250 10240 -61.9 -67.9 45 6.0 -62.0 270 56 314.0 314.0 286.8 314.1 0.02 23 228 10802 -66.9 -71.9 49 5.0 -67.0 276 59 314.8 314.8 287.0 314.8 0.01 24 201 11551 -73.1 -78.1 46 5.0 -73.0 285 62 316.6 316.6 287.6 316.6 0.00 25 200 11580 -73.3 -78.3 46 5.0 -73.3 285 62 316.7 316.7 287.6 316.7 0.00 26 189 11908 -75.1 -80.1 45 5.0 -75.1 270 52 318.9 318.9 288.4 319.0 0.00 27 168 12596 -70.9 -75.3 52 4.4 -70.9 280 46 336.9 336.9 293.6 336.9 0.01 28 158 12960 -68.5 -74.5 42 6.0 -68.5 286 43 346.9 346.9 296.0 346.9 0.01 29 150 13270 -69.1 -78.1 26 9.0 -69.1 290 40 351.1 351.1 296.8 351.1 0.01 30 143 13556 -70.3 -77.3 35 7.0 -70.4 291 40 353.8 353.8 297.4 353.8 0.01 31 111 15079 -66.7 -82.7 9 16.0 -66.8 294 40 387.1 387.1 303.3 387.1 0.00 32 100 15710 -67.5 -86.5 5 19.0 -67.6 295 40 397.3 397.3 304.8 397.3 0.00 33 70 17810 -75.1 -100.1 1 25.0 -75.2 295 52 423.7 423.7 308.2 423.7 0.00 34 50 19750 -78.1 -102.1 1 24.0 -78.1 295 58 459.5 459.5 311.7 459.5 0.00 35 30 22640 -84.1 -106.1 1 22.0 -84.1 290 50 515.4 515.4 316.0 515.4 0.00 36 20 24870 -86.3 -108.3 1 22.0 -86.3 305 42 572.0 572.0 319.3 572.0 0.00 37 10 28720 -77.1 -101.1 1 24.0 -77.4 330 17 731.8 731.8 325.4 731.8 0.00 TRP 189 11908 -75.1 -80.1 45 5.0 -75.1 270 52 318.9 318.9 288.4 319.0 0.00 WND 201 11551 -73.1 -78.1 46 5.0 -73.0 285 62 316.6 316.6 287.6 316.6 0.00 Sounding variables and indices 1000-500 mb thick: 5390.67 m Freezing level: Surface below freezing Freezing level: 911.00 mb = 903.02 m = 2962.64 ft Freezing level: 911.00 mb = 903.02 m = 2962.64 ft Freezing level: 850.00 mb = 1453.00 m = 4767.00 ft Freezing level: 850.00 mb = 1453.00 m = 4767.00 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 42.99 % Est. max temperature: 11.85 C = 53.32 F Sfc-Lift cond lev (LCL): 979.48 mb = 330.82 m = 1085.34 ft T: -4.29 C 700-500 lapse rate: 6.86 C/km Conv cond level (CCL): 504.64 mb = 5490.68 m = 18013.83 ft Mean mixing ratio: 1.35 g/kg Conv temperature: 33.91 C = 93.04 F Cap Strength: 23.50 C Lifted Index: 24.58 C Risk: None Lifted Index @300 mb: 25.11 C Lifted Index @700 mb: 20.79 C Showalter Index: 15.23 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 0.10 C K Index: -10.90 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.55 J/kg Max Up Vert Vel: 10.05 m/s Conv Inhibition (B-): 51861.20 J/kg Cap Strength: 24.53 C Lift Cond Lev (LCL): 814.70 mb = 1791.02 m = 5875.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 20 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 1013 69 70 3 -2.8 -1.0 | 111 22 -20.8 8.0 1 850 1453 240 13 11.3 6.5 | 157 17 -6.7 15.6 2 700 2994 270 31 31.0 -0.0 | 235 16 13.0 9.1 3 500 5560 270 42 42.0 -0.0 | 249 26 24.0 9.1 4 400 7160 265 44 43.8 3.8 | 243 29 25.8 12.9 5 300 9080 280 54 53.2 -9.4 | 271 35 35.2 -0.3 6 250 10240 270 56 56.0 -0.0 | 257 39 38.0 9.1 7 201 11551 285 62 59.9 -16.0 | 279 42 41.9 -7.0 8 200 11580 285 62 59.9 -16.0 | 279 42 41.9 -7.0 9 189 11908 270 52 52.0 -0.0 | 255 35 34.0 9.1 10 150 13270 290 40 37.6 -13.7 | 283 20 19.6 -4.6 11 100 15710 295 40 36.3 -16.9 | 293 20 18.2 -7.9 12 70 17810 295 52 47.1 -22.0 | 294 32 29.1 -12.9 13 50 19750 295 58 52.6 -24.5 | 294 38 34.6 -15.5 14 30 22640 290 50 47.0 -17.1 | 286 30 29.0 -8.0 15 20 24870 305 42 34.4 -24.1 | 313 22 16.4 -15.0 16 10 28720 330 17 8.5 -14.7 | 59 11 -9.5 -5.7 Wind Parameters Mean winds (0-6000m): 266.7 at 26.9 knts Storm direction: 296.7 at 20.2 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 124.7 deg Storm rel helicity (0-3000m) pos: 213.7 neg: 0.0 tot: 213.7 m^2/s^2 ave: 71.2 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 7.0 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.73 Bulk Shear: 69.07 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 ------------------------------------------------------------------------------- 500 291 5 118 16| 6.0 0.0 6.0| 27.4 0.0 27.4 54.7 0.65| 6.5 4.2 1000 262 6 131 15| 6.2 0.0 6.2| 91.5 0.0 91.5 91.5 0.83| 8.2 6.8 1500 238 8 141 17| 5.9 0.0 5.9|132.2 0.0 132.2 88.1 0.76| 9.4 7.1 2000 243 11 148 16| 6.0 0.0 6.0|159.2 0.0 159.2 79.6 0.80| 8.7 7.0 2500 250 13 157 15| 6.0 0.0 6.0|187.1 0.0 187.1 74.9 0.84| 8.4 7.0 3000 258 16 168 13| 5.9 0.0 5.9|213.7 0.0 213.7 71.2 0.86| 8.2 7.0 4000 263 20 189 12| 4.4 0.6 4.9|224.0 0.0 224.0 56.0 0.83| 6.7 5.5 5000 266 24 207 12| 3.5 0.9 4.4|234.3 0.0 234.3 46.9 0.80| 5.8 4.6 6000 267 27 220 14| 2.9 1.0 3.9|239.2 -5.9 233.3 38.9 0.75| 5.1 3.8 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251230.11.gif