UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 3 DEC 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1006 61 6.0 5.6 97 0.4 5.8 210 13 278.7 279.6 278.7 294.1 5.67 1 1000 98 6.6 6.5 99 0.1 6.6 215 11 279.8 280.8 279.7 296.3 6.07 2 925 742 6.0 2.9 80 3.1 4.5 270 13 285.4 286.3 281.3 299.8 5.10 3 850 1427 0.6 -3.3 75 3.9 -1.0 270 23 286.8 287.4 280.0 296.9 3.52 4 700 2957 -9.3 -14.2 67 4.9 -10.8 225 11 292.2 292.5 280.3 297.7 1.82 5 500 5460 -27.9 -39.9 31 12.0 -29.1 275 9 299.0 299.1 281.3 299.8 0.24 6 400 7020 -40.9 -48.9 42 8.0 -41.3 200 19 301.8 301.9 282.3 302.2 0.11 7 300 8930 -52.1 -70.1 10 18.0 -52.4 200 31 311.9 311.9 286.0 312.0 0.01 8 250 10090 -57.7 -72.7 13 15.0 -57.8 210 25 320.3 320.3 288.8 320.3 0.01 9 238 10399 -58.5 -74.5 11 16.0 -58.6 195 29 323.6 323.6 289.9 323.6 0.01 10 200 11500 -55.1 -79.1 4 24.0 -55.4 225 21 345.5 345.5 295.6 345.5 0.00 11 150 13340 -54.5 -85.5 1 31.0 -54.9 240 27 376.2 376.2 301.6 376.2 0.00 12 100 15920 -56.7 -86.7 1 30.0 -57.2 260 29 418.2 418.2 307.5 418.2 0.00 TRP 238 10399 -58.5 -74.5 11 16.0 -58.6 195 29 323.6 323.6 289.9 323.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 840.91 mb = 1519.73 m = 4985.92 ft Wetbulb zero: 864.09 mb = 1293.79 m = 4244.68 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 63.74 % Est. max temperature: 14.01 C = 57.22 F Sfc-Lift cond lev (LCL): 999.82 mb = 99.48 m = 326.38 ft T: 6.60 C 700-500 lapse rate: 7.43 C/km ThetaE index: 2.89 C Layer 850.0- 700.0 mb Conv cond level (CCL): 886.04 mb = 1090.65 m = 3578.19 ft Mean mixing ratio: 5.46 g/kg Conv temperature: 13.47 C = 56.25 F Cap Strength: 2.29 C Lifted Index: 2.34 C Risk: None Lifted Index @300 mb: 9.81 C Lifted Index @700 mb: 1.17 C Showalter Index: 3.25 C Risk: None Total Totals Index: 53.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 24.60 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 137.00 Risk: None Energy Index: 0.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.12 J/kg Max Up Vert Vel: 5.85 m/s Conv Inhibition (B-): 10967.76 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 928.54 mb = 710.44 m = 2330.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 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 1006 61 210 13 6.5 11.3 | 168 14 -2.9 13.6 1 1000 98 215 11 6.3 9.0 | 165 12 -3.1 11.4 2 925 742 270 13 13.0 -0.0 | 236 4 3.6 2.4 3 850 1427 270 23 23.0 -0.0 | 260 14 13.6 2.4 4 700 2957 225 11 7.8 7.8 | 171 10 -1.6 10.2 5 500 5460 275 9 9.0 -0.8 | 165 2 -0.4 1.6 6 400 7020 200 19 6.5 17.9 | 172 20 -2.9 20.2 7 300 8930 200 31 10.6 29.1 | 182 32 1.2 31.5 8 250 10090 210 25 12.5 21.7 | 187 24 3.1 24.0 9 238 10399 195 29 7.5 28.0 | 176 30 -1.9 30.4 10 200 11500 225 21 14.8 14.8 | 198 18 5.5 17.2 11 150 13340 240 27 23.4 13.5 | 221 21 14.0 15.9 12 100 15920 260 29 28.6 5.0 | 249 21 19.2 7.4 Wind Parameters Mean winds (0-6000m): 254.3 at 12.9 knts Storm direction: 284.3 at 9.7 knts Shear (0-3000m) pos: 2.7 neg: 2.1 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 3.9 deg Storm rel helicity (0-3000m) pos: 22.8 neg: -52.0 tot: -29.3 m^2/s^2 ave: -9.8 10^-3 m/s^2 rel: -0.15 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.18 Bulk Shear: 2.77 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 ------------------------------------------------------------------------------- 500 234 12 180 9| 9.9 0.0 9.9| 12.6 0.0 12.6 25.3 0.55| 10.3 5.6 1000 253 13 207 7| 8.2 0.0 8.2| 19.6 0.0 19.6 19.6 0.57| 9.2 5.3 1500 261 16 231 8| 5.4 1.5 7.0| 22.4 -5.4 16.9 11.3 0.39| 8.4 3.3 2000 261 17 234 9| 4.1 1.5 5.6| 22.4 -25.1 -2.7 -1.4 0.11| 8.0 0.9 2500 259 17 231 9| 3.3 2.0 5.3| 22.4 -41.1 -18.7 -7.5 -0.06| 7.5 -0.4 3000 257 16 225 9| 2.7 2.1 4.8| 22.8 -52.0 -29.3 -9.8 -0.15| 7.0 -1.0 4000 253 15 215 8| 2.5 1.6 4.1| 25.2 -52.0 -26.9 -6.7 -0.11| 5.8 -0.6 5000 253 14 210 7| 2.3 1.3 3.5| 25.4 -52.2 -26.8 -5.4 -0.10| 5.0 -0.5 6000 254 13 207 7| 1.9 1.3 3.2| 26.4 -52.9 -26.5 -4.4 -0.07| 4.8 -0.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251203.00.gif