UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 4 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 996 26 0.8 -4.2 69 5.0 -1.0 315 1 274.3 274.7 272.3 282.0 2.81 1 960 316 1.4 -6.6 55 8.0 -1.5 343 4 277.8 278.2 273.8 284.6 2.42 2 940 483 3.2 -9.8 38 13.0 -1.3 359 6 281.3 281.6 275.0 286.8 1.93 3 910 741 1.4 -10.6 40 12.0 -2.6 23 9 282.1 282.4 275.3 287.5 1.87 4 891 907 0.0 -11.0 43 11.0 -3.6 39 11 282.3 282.6 275.5 287.7 1.85 5 850 1276 -2.7 -11.7 50 9.0 -5.5 75 15 283.3 283.6 276.0 288.7 1.83 6 776 1990 -8.3 -12.8 70 4.5 -9.6 89 28 284.8 285.1 276.7 290.2 1.84 7 765 2101 -8.5 -12.9 70 4.4 -9.8 91 30 285.7 286.0 277.2 291.2 1.85 8 700 2784 -12.1 -16.4 70 4.3 -13.2 105 42 289.1 289.4 278.4 293.7 1.51 9 681 2994 -12.7 -18.7 61 6.0 -14.2 107 40 290.7 290.9 278.9 294.6 1.28 10 629 3593 -17.9 -22.5 67 4.6 -18.8 115 34 291.4 291.6 278.9 294.5 1.00 11 580 4192 -23.1 -26.0 77 2.9 -23.6 122 28 292.2 292.3 278.9 294.7 0.79 12 500 5260 -31.5 -34.6 74 3.1 -31.8 135 17 294.6 294.7 279.6 296.0 0.41 13 400 6800 -44.7 -48.3 67 3.6 -44.9 135 21 296.9 296.9 280.1 297.3 0.12 14 388 7002 -46.5 -49.9 68 3.4 -46.6 144 20 297.1 297.2 280.2 297.5 0.10 15 352 7642 -49.7 -57.7 39 8.0 -49.9 173 18 301.2 301.2 281.9 301.4 0.04 16 340 7867 -50.7 -54.1 67 3.4 -50.8 183 18 302.9 302.9 282.6 303.1 0.07 17 300 8670 -56.3 -60.0 63 3.7 -56.3 220 15 306.0 306.0 283.8 306.1 0.04 18 276 9198 -59.1 -63.1 60 4.0 -59.2 240 15 309.3 309.3 285.1 309.4 0.03 19 262 9525 -58.9 -67.9 30 9.0 -59.0 237 17 314.3 314.3 286.8 314.3 0.02 20 250 9820 -59.1 -68.1 30 9.0 -59.2 235 19 318.2 318.2 288.2 318.3 0.02 21 214 10795 -58.9 -72.9 15 14.0 -59.0 232 30 333.0 333.0 292.5 333.0 0.01 22 208 10973 -58.3 -74.3 11 16.0 -58.5 231 32 336.6 336.6 293.5 336.7 0.01 23 200 11220 -58.3 -74.3 11 16.0 -58.5 230 35 340.4 340.4 294.4 340.5 0.01 24 150 13030 -58.1 -87.1 1 29.0 -58.3 245 38 370.0 370.0 300.5 370.0 0.00 25 145 13243 -58.3 -88.3 1 30.0 -58.6 245 38 373.2 373.2 301.1 373.2 0.00 26 114 14751 -58.1 -88.1 1 30.0 -58.5 248 39 400.2 400.2 305.2 400.2 0.00 27 101 15508 -60.1 -89.1 1 29.0 -60.4 250 40 410.4 410.4 306.6 410.4 0.00 28 100 15570 -59.7 -89.7 1 30.0 -60.0 250 40 412.4 412.4 306.8 412.4 0.00 29 76 17286 -61.7 -90.7 1 29.0 -62.0 269 48 441.9 441.9 310.1 441.9 0.00 30 70 17800 -59.7 -89.7 1 30.0 -60.2 275 50 456.7 456.7 311.5 456.7 0.00 31 50 19900 -59.3 -89.3 1 30.0 -59.9 285 44 503.7 503.7 315.2 503.8 0.00 32 30 23070 -62.3 -91.3 1 29.0 -63.0 305 42 574.8 574.8 319.4 574.8 0.00 33 20 25600 -60.5 -89.5 1 29.0 -61.7 310 33 651.0 651.0 322.7 651.0 0.01 34 10 29920 -60.7 -89.7 1 29.0 -62.9 340 71 793.0 793.0 327.1 793.1 0.01 35 6.0 33139 -55.4 -86.0 1 30.6 -60.3 355 89 940.7 940.7 330.2 941.1 0.04 36 5.2 34054 -53.9 -84.9 1 31.0 -59.9 986.6 986.7 330.9 987.3 0.06 TRP 276 9198 -59.1 -63.1 60 4.0 -59.2 240 15 309.3 309.3 285.1 309.4 0.03 WND 6.0 33139 -55.4 -86.0 1 30.6 -60.3 355 89 940.7 940.7 330.2 941.1 0.04 Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: 891.00 mb = 907.02 m = 2975.75 ft Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 64.25 % Est. max temperature: 9.92 C = 49.86 F Sfc-Lift cond lev (LCL): 921.30 mb = 642.69 m = 2108.52 ft T: 2.08 C 700-500 lapse rate: 7.84 C/km Conv cond level (CCL): 705.46 mb = 2724.20 m = 8937.57 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 15.31 C = 59.56 F Cap Strength: 7.55 C Lifted Index: 8.09 C Risk: None Lifted Index @300 mb: 14.46 C Lifted Index @700 mb: 6.51 C Showalter Index: 5.75 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 19.80 C K Index: 12.80 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 1.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.43 J/kg Max Up Vert Vel: 8.30 m/s Conv Inhibition (B-): 65102.41 J/kg Cap Strength: 8.05 C Lift Cond Lev (LCL): 810.97 mb = 1644.41 m = 5394.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 at 18 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 ---------------------------------------------------------- 0 996 26 315 1 0.7 -0.7 | 318 19 12.4 -13.8 1 850 1276 75 15 -14.5 -3.9 | 9 17 -2.8 -17.0 2 700 2784 105 42 -40.6 10.9 | 86 29 -28.9 -2.3 3 500 5260 135 17 -12.0 12.0 | 16 1 -0.3 -1.1 4 400 6800 135 21 -14.8 14.8 | 119 4 -3.2 1.7 5 300 8670 220 15 9.6 11.5 | 274 21 21.3 -1.6 6 276 9198 240 15 13.0 7.5 | 283 25 24.7 -5.6 7 250 9820 235 19 15.6 10.9 | 275 27 27.3 -2.2 8 200 11220 230 35 26.8 22.5 | 256 40 38.5 9.4 9 150 13030 245 38 34.4 16.1 | 266 46 46.1 2.9 10 100 15570 250 40 37.6 13.7 | 269 49 49.3 0.6 11 70 17800 275 50 49.8 -4.4 | 286 64 61.5 -17.5 12 50 19900 285 44 42.5 -11.4 | 294 59 54.2 -24.5 13 30 23070 305 42 34.4 -24.1 | 309 59 46.1 -37.2 14 20 25600 310 33 25.3 -21.2 | 313 50 37.0 -34.3 15 10 29920 340 71 24.3 -66.7 | 336 88 36.0 -79.8 Wind Parameters Mean winds (0-6000m): 108.3 at 23.4 knts Storm direction: 138.3 at 17.6 knts Shear (0-3000m) pos: 6.9 neg: 0.0 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 129.8 deg Storm rel helicity (0-3000m) pos: 280.8 neg: 0.0 tot: 280.8 m^2/s^2 ave: 93.6 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 8.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.65 Bulk Shear: 52.92 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 ------------------------------------------------------------------------------- 500 112 3 324 15| 6.1 0.0 6.1| 25.5 0.0 25.5 51.1 0.69| 6.7 4.6 1000 76 6 340 16| 6.4 0.0 6.4| 80.6 0.0 80.6 80.6 0.85| 8.3 7.1 1500 73 9 351 16| 6.9 0.0 6.9|128.6 0.0 128.6 85.7 0.87| 9.3 8.1 2000 80 13 4 15| 7.5 0.0 7.5|177.0 0.0 177.0 88.5 0.89| 9.5 8.5 2500 88 17 21 15| 7.9 0.0 7.9|236.2 0.0 236.2 94.5 0.89| 9.8 8.7 3000 95 21 39 15| 6.9 0.0 6.9|280.8 0.0 280.8 93.6 0.87| 9.6 8.3 4000 101 24 55 15| 3.9 0.0 3.9|297.8 0.0 297.8 74.4 0.75| 8.8 6.7 5000 105 25 60 14| 2.1 0.0 2.1|299.2 -0.9 298.3 59.7 0.64| 8.2 5.3 6000 108 23 61 12| 1.6 0.1 1.7|299.7 -1.6 298.0 49.7 0.61| 7.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251204.11.gif