UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025073100.upa.cvt Date: 0000Z 31 JUL 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 31 JUL 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1012 103 16.6 13.6 82 3.0 14.7 320 9 288.8 290.5 287.4 316.0 9.71 1 1000 196 16.2 16.2 100 0.0 16.2 315 11 289.4 291.4 289.3 322.0 11.66 2 925 857 13.0 13.0 100 0.0 13.0 335 17 292.6 294.4 289.3 321.7 10.22 3 850 1564 11.0 7.8 81 3.2 9.2 340 9 297.7 299.1 288.9 320.6 7.83 4 700 3170 5.0 -3.0 56 8.0 1.1 325 15 308.0 308.8 289.2 321.6 4.38 5 500 5820 -12.1 -29.1 23 17.0 -16.0 305 21 318.3 318.4 288.9 320.7 0.69 6 400 7490 -22.1 -41.1 16 19.0 -24.8 305 23 326.3 326.3 290.9 327.3 0.26 7 300 9530 -39.9 -45.9 53 6.0 -40.4 300 31 329.1 329.2 291.7 329.9 0.21 8 250 10750 -50.5 -54.4 63 3.9 -50.6 300 40 331.0 331.0 292.1 331.4 0.09 9 228 11343 -54.3 -60.3 48 6.0 -54.4 290 42 334.0 334.0 292.9 334.2 0.05 10 200 12180 -53.7 -68.7 14 15.0 -54.0 295 40 347.7 347.7 296.1 347.8 0.02 11 150 14030 -54.5 -81.5 2 27.0 -54.9 285 35 376.2 376.2 301.6 376.2 0.00 12 100 16600 -57.3 -87.3 1 30.0 -57.7 275 15 417.0 417.0 307.4 417.0 0.00 TRP 228 11343 -54.3 -60.3 48 6.0 -54.4 290 42 334.0 334.0 292.9 334.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5624.00 m Freezing level: 641.52 mb = 3944.85 m = 12942.28 ft Wetbulb zero: 687.40 mb = 3313.09 m = 10869.59 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 61.12 % Est. max temperature: 24.69 C = 76.44 F Sfc-Lift cond lev (LCL): 967.83 mb = 473.24 m = 1552.60 ft T: 14.86 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.43 C Layer 925.0- 700.0 mb Conv cond level (CCL): 954.88 mb = 587.43 m = 1927.23 ft Mean mixing ratio: 10.78 g/kg Conv temperature: 19.12 C = 66.42 F Cap Strength: 3.93 C Lifted Index: 3.47 C Risk: None Lifted Index @300 mb: 5.96 C Lifted Index @700 mb: 3.93 C Showalter Index: 3.99 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.90 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 132.60 Risk: None Energy Index: 0.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.01 J/kg Max Up Vert Vel: 5.66 m/s Conv Inhibition (B-): 7912.50 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 958.48 mb = 555.56 m = 1822.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 12 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 1012 103 320 9 5.8 -6.9 | 220 6 3.8 4.5 1 1000 196 315 11 7.8 -7.8 | 238 7 5.8 3.6 2 925 857 335 17 7.2 -15.4 | 308 7 5.2 -4.0 3 850 1564 340 9 3.1 -8.5 | 200 3 1.1 3.0 4 700 3170 325 15 8.6 -12.3 | 278 7 6.6 -0.9 5 500 5820 305 21 17.2 -12.0 | 272 15 15.2 -0.6 6 400 7490 305 23 18.8 -13.2 | 276 17 16.8 -1.8 7 300 9530 300 31 26.8 -15.5 | 279 25 24.8 -4.1 8 250 10750 300 40 34.6 -20.0 | 285 34 32.6 -8.6 9 228 11343 290 42 39.5 -14.4 | 275 38 37.4 -3.0 10 200 12180 295 40 36.3 -16.9 | 279 35 34.2 -5.5 11 150 14030 285 35 33.8 -9.1 | 266 32 31.8 2.4 12 100 16600 275 15 14.9 -1.3 | 232 16 12.9 10.1 Wind Parameters Mean winds (0-6000m): 319.9 at 15.5 knts Storm direction: 349.9 at 11.6 knts Shear (0-3000m) pos: 0.5 neg: 1.1 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 57.1 deg Storm rel helicity (0-3000m) pos: 19.5 neg: -4.3 tot: 15.3 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.87 Bulk Shear: 1.35 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 ------------------------------------------------------------------------------- 500 321 12 252 6| 6.0 0.0 6.0| 10.7 0.0 10.7 21.3 0.96| 7.0 6.7 1000 329 14 276 5| 3.2 0.0 3.2| 15.3 -1.3 14.1 14.1 0.70| 6.2 4.3 1500 331 13 272 4| 1.1 0.0 1.1| 15.3 -4.3 11.1 7.4 0.24| 5.9 1.4 2000 332 12 264 4| 0.8 0.5 1.3| 16.9 -4.3 12.6 6.3 0.32| 5.0 1.6 2500 332 12 262 4| 0.6 0.9 1.5| 18.3 -4.3 14.0 5.6 0.36| 4.4 1.6 3000 331 13 264 4| 0.5 1.1 1.6| 19.5 -4.3 15.3 5.1 0.36| 4.0 1.5 4000 328 13 270 5| 0.4 1.2 1.6| 19.8 -4.4 15.4 3.9 0.32| 3.4 1.1 5000 324 14 272 6| 0.3 1.3 1.6| 19.8 -6.0 13.8 2.8 0.27| 3.1 0.8 6000 320 15 273 8| 0.3 1.3 1.5| 20.5 -8.5 12.0 2.0 0.23| 2.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250731.00.gif