UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080400.upa.cvt Date: 0000Z 4 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 4 AUG 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 16.4 13.8 85 2.6 14.8 235 5 288.6 290.3 287.5 316.1 9.84 1 1000 200 16.2 16.0 99 0.2 16.1 235 5 289.4 291.4 289.2 321.6 11.50 2 925 862 14.4 14.3 99 0.1 14.3 275 7 294.0 296.0 290.5 325.9 11.14 3 850 1576 14.4 8.4 67 6.0 10.8 260 13 301.2 302.7 290.4 325.4 8.16 4 700 3196 6.6 -1.4 57 8.0 2.5 250 13 309.8 310.7 290.3 325.2 4.93 5 500 5870 -9.1 -22.1 34 13.0 -13.0 280 35 321.9 322.2 290.7 326.4 1.30 6 400 7570 -17.7 -19.6 85 1.9 -18.3 300 35 332.0 332.4 294.1 339.1 2.02 7 300 9660 -33.9 -37.1 73 3.2 -34.3 315 36 337.6 337.7 294.2 339.6 0.53 8 250 10910 -43.5 -46.3 74 2.8 -43.7 330 66 341.4 341.4 294.9 342.4 0.24 9 234 11351 -47.1 -50.0 72 2.9 -47.2 330 69 342.5 342.6 295.1 343.2 0.17 10 200 12370 -55.5 -58.7 67 3.2 -55.6 340 64 344.9 344.9 295.6 345.2 0.07 11 150 14170 -63.3 -76.3 16 13.0 -63.4 325 42 361.0 361.0 298.9 361.1 0.01 12 148 14253 -63.5 -76.5 16 13.0 -63.6 325 42 362.1 362.1 299.1 362.1 0.01 13 100 16680 -60.5 -80.5 6 20.0 -60.7 300 21 410.8 410.8 306.6 410.9 0.01 TRP 148 14253 -63.5 -76.5 16 13.0 -63.6 325 42 362.1 362.1 299.1 362.1 0.01 WND 234 11351 -47.1 -50.0 72 2.9 -47.2 330 69 342.5 342.6 295.1 343.2 0.17 Sounding variables and indices 1000-500 mb thick: 5670.00 m Freezing level: 615.92 mb = 4320.10 m = 14173.39 ft Wetbulb zero: 667.93 mb = 3568.74 m = 11708.33 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 61.15 % Est. max temperature: 27.90 C = 82.22 F Sfc-Lift cond lev (LCL): 973.62 mb = 427.00 m = 1400.91 ft T: 15.58 C 700-500 lapse rate: 5.87 C/km ThetaE index: 0.75 C Layer 850.0- 500.0 mb Conv cond level (CCL): 805.76 mb = 2021.96 m = 6633.65 ft Mean mixing ratio: 11.19 g/kg Conv temperature: 31.47 C = 88.65 F Cap Strength: 4.76 C Lifted Index: 5.41 C Risk: None Lifted Index @300 mb: 10.64 C Lifted Index @700 mb: 4.76 C Showalter Index: 4.42 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 17.50 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 161.80 Risk: None Energy Index: 0.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.30 J/kg Max Up Vert Vel: 6.83 m/s Conv Inhibition (B-): 8155.15 J/kg Cap Strength: 5.32 C Lift Cond Lev (LCL): 956.01 mb = 582.04 m = 1909.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 13 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 103 235 5 4.1 2.9 | 140 12 -7.6 9.1 1 1000 200 235 5 4.1 2.9 | 140 12 -7.6 9.1 2 925 862 275 7 7.0 -0.6 | 140 7 -4.7 5.7 3 850 1576 260 13 12.8 2.3 | 188 9 1.1 8.5 4 700 3196 250 13 12.2 4.4 | 183 11 0.5 10.7 5 500 5870 280 35 34.5 -6.1 | 269 23 22.8 0.2 6 400 7570 300 35 30.3 -17.5 | 301 22 18.6 -11.2 7 300 9660 315 36 25.5 -25.5 | 324 24 13.8 -19.2 8 250 10910 330 66 33.0 -57.2 | 337 55 21.3 -50.9 9 234 11351 330 69 34.5 -59.8 | 337 58 22.8 -53.5 10 200 12370 340 64 21.9 -60.1 | 349 55 10.2 -53.9 11 150 14170 325 42 24.1 -34.4 | 336 31 12.4 -28.1 12 148 14253 325 42 24.1 -34.4 | 336 31 12.4 -28.1 13 100 16680 300 21 18.2 -10.5 | 303 8 6.5 -4.2 Wind Parameters Mean winds (0-6000m): 268.3 at 17.7 knts Storm direction: 298.3 at 13.2 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 42.8 deg Storm rel helicity (0-3000m) pos: 12.7 neg: -2.4 tot: 10.3 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.08 Bulk Shear: 21.54 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 ------------------------------------------------------------------------------- 500 246 5 142 11| 2.7 0.0 2.7| 1.6 0.0 1.6 3.2 0.20| 2.8 0.6 1000 261 6 144 9| 2.9 0.0 2.9| 5.1 -0.5 4.6 4.6 0.34| 3.4 1.1 1500 262 8 153 8| 2.0 1.5 3.5| 12.7 -0.5 12.2 8.1 0.55| 3.8 2.1 2000 260 9 161 8| 1.5 1.2 2.7| 12.7 -1.1 11.6 5.8 0.50| 3.0 1.5 2500 259 10 167 8| 1.2 1.0 2.2| 12.7 -1.7 11.0 4.4 0.45| 2.6 1.2 3000 258 10 171 9| 1.0 0.9 1.9| 12.7 -2.4 10.3 3.4 0.41| 2.2 0.9 4000 257 12 180 9| 1.7 0.7 2.4| 36.2 -2.4 33.8 8.4 0.61| 2.7 1.7 5000 261 14 198 9| 2.3 0.6 2.9| 69.0 -2.4 66.6 13.3 0.69| 3.2 2.2 6000 268 18 221 9| 2.6 0.5 3.1|112.2 -2.4 109.9 18.3 0.72| 3.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250804.00.gif