UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120523.upa.cvt Date: 2300Z 5 DEC 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 5 DEC 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 26 3.0 -13.0 30 16.0 -1.9 50 29 276.4 276.6 271.4 280.4 1.41 1 961 318 1.0 -14.0 32 15.0 -3.4 64 29 277.3 277.5 271.8 281.2 1.35 2 933 551 -1.1 -15.1 34 14.0 -5.1 75 28 277.5 277.7 271.8 281.2 1.27 3 918 678 0.0 -14.0 34 14.0 -4.2 81 28 279.9 280.2 273.5 284.0 1.41 4 892 904 -1.9 -15.9 33 14.0 -5.8 92 28 280.3 280.5 273.4 283.9 1.24 5 850 1282 -2.1 -19.1 26 17.0 -6.6 110 27 283.9 284.1 275.0 286.9 0.99 6 844 1338 -1.9 -19.9 24 18.0 -6.6 109 26 284.7 284.9 275.4 287.6 0.93 7 834 1433 -2.7 -21.7 22 19.0 -7.4 109 25 284.9 285.0 275.3 287.3 0.81 8 766 2099 -9.3 -22.3 34 13.0 -12.2 102 17 284.8 284.9 275.2 287.3 0.83 9 723 2542 -13.5 -23.5 43 10.0 -15.5 97 12 284.9 285.0 275.3 287.3 0.79 10 700 2788 -13.9 -26.9 32 13.0 -16.3 95 9 287.1 287.2 276.1 289.0 0.60 11 691 2886 -14.3 -27.3 32 13.0 -16.7 97 9 287.7 287.8 276.5 289.6 0.59 12 657 3265 -18.5 -27.5 45 9.0 -20.0 104 9 287.2 287.3 276.2 289.1 0.61 13 645 3402 -17.1 -30.1 31 13.0 -19.2 107 9 290.3 290.3 277.6 291.8 0.49 14 628 3602 -18.3 -30.3 34 12.0 -20.2 111 8 291.1 291.2 278.0 292.7 0.49 15 600 3941 -19.9 -32.9 30 13.0 -21.7 118 8 293.1 293.2 278.8 294.4 0.40 16 579 4203 -22.1 -34.1 33 12.0 -23.7 123 8 293.5 293.6 279.0 294.7 0.37 17 559 4460 -24.3 -35.3 35 11.0 -25.6 128 8 293.9 293.9 279.1 295.0 0.34 18 500 5260 -31.7 -37.7 55 6.0 -32.3 145 7 294.4 294.4 279.3 295.4 0.30 19 477 5592 -34.9 -39.3 64 4.4 -35.3 152 8 294.4 294.5 279.2 295.3 0.26 20 445 6075 -38.9 -46.9 43 8.0 -39.3 163 9 295.3 295.3 279.4 295.7 0.13 21 432 6278 -40.9 -45.9 58 5.0 -41.2 168 10 295.3 295.3 279.4 295.8 0.14 22 400 6800 -44.5 -49.2 59 4.7 -44.7 180 11 297.2 297.2 280.3 297.5 0.11 23 366 7387 -48.3 -54.3 50 6.0 -48.5 189 15 299.7 299.7 281.3 300.0 0.07 24 354 7605 -49.7 -53.1 67 3.4 -49.8 193 16 300.7 300.7 281.8 301.0 0.08 25 338 7904 -52.1 -56.1 62 4.0 -52.2 198 18 301.5 301.5 282.0 301.7 0.06 26 325 8157 -51.9 -58.9 43 7.0 -52.0 202 20 305.1 305.1 283.5 305.3 0.04 27 300 8670 -55.1 -59.7 57 4.6 -55.2 210 23 307.7 307.7 284.5 307.8 0.04 28 282 9066 -56.5 -65.5 31 9.0 -56.6 212 25 311.2 311.2 285.8 311.2 0.02 29 250 9830 -58.5 -67.5 30 9.0 -58.6 215 29 319.1 319.1 288.5 319.2 0.02 30 242 10034 -59.7 -68.7 30 9.0 -59.8 205 25 320.3 320.3 288.8 320.3 0.02 31 214 10805 -59.5 -72.5 17 13.0 -59.6 205 28 332.1 332.1 292.3 332.1 0.01 32 200 11230 -59.1 -77.1 8 18.0 -59.3 205 29 339.2 339.2 294.1 339.2 0.01 33 186 11685 -58.1 -79.1 5 21.0 -58.3 204 30 347.9 347.9 296.2 347.9 0.00 34 150 13040 -56.7 -83.7 2 27.0 -57.0 200 33 372.4 372.4 301.0 372.4 0.00 35 101 15547 -57.3 -87.3 1 30.0 -57.7 220 33 415.8 415.8 307.2 415.8 0.00 36 100 15610 -56.5 -87.5 1 31.0 -56.9 220 33 418.6 418.6 307.6 418.6 0.00 37 82 16869 -55.9 -86.9 1 31.0 -56.5 239 34 444.2 444.2 310.3 444.2 0.00 38 70 17870 -57.9 -87.9 1 30.0 -58.5 255 35 460.5 460.5 311.8 460.5 0.00 39 50 19980 -58.3 -88.3 1 30.0 -59.0 265 40 506.1 506.1 315.4 506.1 0.00 40 30 23170 -60.5 -89.5 1 29.0 -61.4 285 27 579.7 579.7 319.6 579.7 0.00 41 26 24063 -61.3 -90.3 1 29.0 -62.2 299 31 601.7 601.7 320.7 601.7 0.00 42 20 25710 -57.9 -87.9 1 30.0 -59.6 325 38 658.9 658.9 323.0 659.0 0.01 43 10 30140 -50.1 -83.1 1 33.0 -55.5 345 89 832.5 832.6 328.0 832.9 0.04 44 9.4 30545 -48.9 -81.9 1 33.0 -55.1 852.0 852.0 328.4 852.5 0.05 45 6.0 33455 -54.9 -85.7 1 30.8 -60.0 340 126 942.7 942.7 330.2 943.1 0.04 46 5.1 34488 -57.1 -87.1 1 30.0 -61.9 977.7 977.7 330.8 978.1 0.04 TRP 242 10034 -59.7 -68.7 30 9.0 -59.8 205 25 320.3 320.3 288.8 320.3 0.02 WND 6.0 33455 -54.9 -85.7 1 30.8 -60.0 340 126 942.7 942.7 330.2 943.1 0.04 Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: 947.67 mb = 428.83 m = 1406.91 ft Freezing level: 918.00 mb = 678.42 m = 2225.75 ft Freezing level: 918.00 mb = 678.42 m = 2225.75 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 34.90 % Est. max temperature: 10.94 C = 51.70 F Sfc-Lift cond lev (LCL): 776.53 mb = 1992.03 m = 6535.44 ft T: -8.24 C 700-500 lapse rate: 7.20 C/km ThetaE index: 0.27 C Layer 834.0- 723.0 mb Conv cond level (CCL): 606.34 mb = 3862.54 m = 12672.23 ft Mean mixing ratio: 1.34 g/kg Conv temperature: 19.23 C = 66.62 F Cap Strength: 11.07 C Lifted Index: 10.76 C Risk: None Lifted Index @300 mb: 18.30 C Lifted Index @700 mb: 7.38 C Showalter Index: 6.83 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 29.60 C Cross Totals Index: 12.60 C K Index: -2.50 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 1.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.75 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 68773.25 J/kg Cap Strength: 11.06 C Lift Cond Lev (LCL): 751.02 mb = 2250.43 m = 7383.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 132 at 11 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 26 50 29 -22.2 -18.6 | 29 30 -14.2 -25.9 1 850 1282 110 27 -25.4 9.2 | 96 17 -17.3 2.0 2 700 2788 95 9 -9.0 0.8 | 8 7 -0.9 -6.5 3 500 5260 145 7 -4.0 5.7 | 291 4 4.0 -1.5 4 400 6800 180 11 0.0 11.0 | 245 9 8.0 3.7 5 300 8670 210 23 11.5 19.9 | 237 23 19.5 12.7 6 250 9830 215 29 16.6 23.8 | 236 30 24.7 16.5 7 242 10034 205 25 10.6 22.7 | 230 24 18.6 15.4 8 200 11230 205 29 12.3 26.3 | 227 28 20.3 19.0 9 150 13040 200 33 11.3 31.0 | 219 31 19.3 23.7 10 100 15610 220 33 21.2 25.3 | 238 34 29.3 18.0 11 70 17870 255 35 33.8 9.1 | 268 42 41.9 1.8 12 50 19980 265 40 39.8 3.5 | 275 48 47.9 -3.8 13 30 23170 285 27 26.1 -7.0 | 293 37 34.1 -14.3 14 20 25710 325 38 21.8 -31.1 | 322 49 29.8 -38.4 15 10 30140 345 89 23.0 -86.0 | 342 98 31.1 -93.2 Wind Parameters Mean winds (0-6000m): 102.1 at 14.5 knts Storm direction: 132.1 at 10.8 knts Shear (0-3000m) pos: 4.4 neg: 2.1 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): -22.4 deg Storm rel helicity (0-3000m) pos: 162.1 neg: -36.6 tot: 125.5 m^2/s^2 ave: 41.8 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.28 Bulk Shear: 60.78 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 56 29 34 28| 12.2 0.0 12.2| 76.5 0.0 76.5 153.0 0.90| 12.3 11.1 1000 71 28 49 25| 11.8 0.0 11.8|137.3 0.0 137.3 137.3 0.90| 12.1 11.0 1500 84 28 62 22| 8.9 0.0 8.9|162.1 -6.3 155.8 103.9 0.78| 10.9 8.5 2000 89 26 66 20| 6.7 1.6 8.3|162.1 -19.7 142.5 71.2 0.55| 9.8 5.4 2500 91 24 66 17| 5.3 2.5 7.9|162.1 -30.9 131.3 52.5 0.36| 9.1 3.2 3000 92 22 64 15| 4.4 2.1 6.6|162.1 -36.6 125.5 41.8 0.26| 8.3 2.1 4000 94 18 60 12| 3.7 1.6 5.3|162.1 -38.7 123.4 30.9 0.21| 6.6 1.4 5000 97 16 56 9| 3.1 1.3 4.4|162.1 -41.1 121.1 24.2 0.15| 5.6 0.8 6000 102 14 55 7| 2.9 1.1 4.0|162.1 -44.9 117.2 19.5 0.08| 4.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251205.23.gif