UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120723.upa.cvt Date: 2300Z 7 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:2300Z 7 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 1010 69 -4.7 -8.1 77 3.4 -5.7 0 0 267.7 268.0 266.8 273.2 2.05 1 980 306 -4.1 -7.1 80 3.0 -5.1 10 2 270.6 271.0 269.2 276.9 2.29 2 908 904 -7.1 -7.6 96 0.5 -7.2 37 6 273.5 273.9 271.2 280.1 2.37 3 850 1415 -9.9 -10.3 97 0.4 -10.0 60 9 275.8 276.1 272.1 281.5 2.05 4 836 1543 -9.7 -9.9 98 0.2 -9.8 61 9 277.3 277.7 273.1 283.4 2.15 5 778 2096 -12.3 -13.6 90 1.3 -12.6 65 10 280.3 280.6 274.1 285.2 1.72 6 700 2895 -17.5 -19.6 84 2.1 -17.9 70 11 283.1 283.3 274.9 286.5 1.15 7 665 3277 -20.1 -24.5 68 4.4 -20.8 92 13 284.4 284.5 275.0 286.8 0.79 8 637 3594 -22.3 -25.4 76 3.1 -22.8 111 14 285.4 285.5 275.5 287.7 0.76 9 600 4030 -25.9 -27.0 90 1.1 -26.1 136 16 286.1 286.3 275.8 288.3 0.70 10 586 4201 -26.3 -29.6 74 3.3 -26.8 147 16 287.6 287.7 276.3 289.4 0.56 11 561 4515 -28.3 -37.3 42 9.0 -29.2 165 18 288.9 288.9 276.5 289.8 0.28 12 500 5330 -34.3 -44.3 36 10.0 -34.9 215 21 291.2 291.2 277.5 291.7 0.15 13 465 5835 -37.5 -40.4 74 2.9 -37.7 217 23 293.3 293.4 278.7 294.2 0.24 14 426 6436 -41.7 -43.5 83 1.8 -41.8 219 25 295.4 295.5 279.6 296.1 0.19 15 400 6860 -45.1 -48.3 70 3.2 -45.2 220 27 296.4 296.4 279.9 296.8 0.12 16 334 8037 -53.3 -56.4 69 3.1 -53.4 229 23 300.8 300.8 281.8 301.0 0.06 17 300 8720 -56.3 -59.6 66 3.3 -56.3 235 21 306.0 306.0 283.8 306.1 0.04 18 275 9271 -58.9 -64.9 46 6.0 -59.0 250 19 309.9 309.9 285.3 310.0 0.02 19 250 9870 -59.5 -66.5 40 7.0 -59.6 270 19 317.6 317.6 288.0 317.7 0.02 20 215 10810 -60.9 -69.9 30 9.0 -61.0 267 16 329.4 329.4 291.6 329.5 0.01 21 200 11260 -59.9 -69.9 26 10.0 -60.0 265 15 337.9 337.9 293.8 338.0 0.02 22 155 12847 -61.1 -79.1 8 18.0 -61.3 261 17 361.4 361.4 299.0 361.4 0.00 23 150 13050 -61.3 -80.3 6 19.0 -61.4 260 17 364.5 364.5 299.5 364.5 0.00 24 132 13843 -60.7 -88.7 1 28.0 -60.9 263 20 379.1 379.1 302.1 379.1 0.00 25 101 15499 -62.5 -91.5 1 29.0 -62.7 270 25 405.8 405.8 306.0 405.8 0.00 26 100 15560 -62.9 -91.9 1 29.0 -63.1 270 25 406.2 406.2 306.0 406.2 0.00 27 70 17730 -66.9 -93.9 1 27.0 -67.1 285 33 441.3 441.3 310.0 441.3 0.00 28 50 19760 -70.1 -96.1 1 26.0 -70.2 280 33 478.3 478.3 313.3 478.3 0.00 29 30 22760 -75.3 -100.3 1 25.0 -75.4 290 54 539.4 539.4 317.5 539.4 0.00 30 20 25090 -77.5 -101.5 1 24.0 -77.6 295 69 598.9 598.9 320.6 598.9 0.00 TRP 275 9271 -58.9 -64.9 46 6.0 -59.0 250 19 309.9 309.9 285.3 310.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5182.74 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 76.62 % Est. max temperature: 3.01 C = 37.41 F Sfc-Lift cond lev (LCL): 957.08 mb = 491.49 m = 1612.49 ft T: -5.03 C 700-500 lapse rate: 6.90 C/km ThetaE index: 0.00 C Layer 1010.0-2128654499840.0 mb Conv cond level (CCL): 877.19 mb = 1171.12 m = 3842.21 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 2.32 C = 36.18 F Cap Strength: 10.35 C Lifted Index: 11.65 C Risk: None Lifted Index @300 mb: 20.26 C Lifted Index @700 mb: 7.09 C Showalter Index: 8.40 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 24.00 C K Index: 12.00 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.63 J/kg Max Up Vert Vel: 5.94 m/s Conv Inhibition (B-): 44311.31 J/kg Cap Strength: 11.51 C Lift Cond Lev (LCL): 925.70 mb = 752.54 m = 2468.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 195 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 1010 69 0 0 -0.0 -0.0 | 15 10 -2.5 -9.4 1 850 1415 60 9 -7.8 -4.5 | 36 17 -10.3 -13.9 2 700 2895 70 11 -10.3 -3.8 | 44 18 -12.8 -13.1 3 500 5330 215 21 12.0 17.2 | 231 12 9.6 7.8 4 400 6860 220 27 17.4 20.7 | 233 19 14.9 11.3 5 300 8720 235 21 17.2 12.0 | 260 15 14.7 2.7 6 275 9271 250 19 17.9 6.5 | 281 16 15.4 -2.9 7 250 9870 270 19 19.0 -0.0 | 299 19 16.5 -9.4 8 200 11260 265 15 14.9 1.3 | 303 15 12.5 -8.1 9 150 13050 260 17 16.7 3.0 | 294 16 14.3 -6.4 10 100 15560 270 25 25.0 -0.0 | 293 24 22.5 -9.4 11 70 17730 285 33 31.9 -8.5 | 301 34 29.4 -17.9 12 50 19760 280 33 32.5 -5.7 | 297 34 30.0 -15.1 13 30 22760 290 54 50.7 -18.5 | 300 56 48.3 -27.8 14 20 25090 295 69 62.5 -29.2 | 303 71 60.1 -38.5 Wind Parameters Mean winds (0-6000m): 164.7 at 12.9 knts Storm direction: 194.7 at 9.7 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 36.3 deg Storm rel helicity (0-3000m) pos: 45.9 neg: -0.3 tot: 45.6 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.88 Bulk Shear: 20.04 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 ------------------------------------------------------------------------------- 500 102 1 23 10| 3.4 0.0 3.4| 1.8 -0.3 1.5 3.0 0.13| 3.5 0.5 1000 66 3 27 12| 3.4 0.0 3.4| 11.9 -0.3 11.6 11.6 0.42| 3.8 1.6 1500 60 5 30 14| 3.2 0.0 3.2| 25.2 -0.3 24.9 16.6 0.57| 3.7 2.1 2000 61 6 32 15| 2.5 0.0 2.5| 28.9 -0.3 28.6 14.3 0.59| 3.0 1.8 2500 63 7 35 15| 2.2 0.0 2.2| 32.8 -0.3 32.5 13.0 0.62| 2.6 1.6 3000 65 8 37 16| 2.0 0.0 2.0| 45.9 -0.3 45.6 15.2 0.68| 2.6 1.8 4000 82 9 47 16| 2.0 0.0 2.0|104.1 -0.3 103.7 25.9 0.81| 3.9 3.1 5000 109 11 66 14| 2.1 0.0 2.1|154.8 -0.3 154.5 30.9 0.87| 5.1 4.4 6000 165 13 118 7| 2.0 0.0 2.0|171.1 -0.3 170.8 28.5 0.83| 5.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251207.23.gif