UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080112.upa.cvt Date: 1200Z 1 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 1 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 1009 103 19.8 10.8 56 9.0 14.4 5 13 292.2 293.6 287.2 315.3 8.08 1 1000 170 18.4 13.4 73 5.0 15.3 5 11 291.5 293.3 288.4 319.1 9.70 2 925 831 12.2 12.1 99 0.1 12.1 330 11 291.8 293.5 288.5 319.1 9.63 3 850 1533 6.4 6.4 100 0.0 6.4 335 17 292.9 294.1 286.5 313.3 7.11 4 700 3121 3.0 -20.0 17 23.0 -4.4 325 19 305.8 306.0 285.1 309.5 1.12 5 500 5770 -12.5 -21.5 47 9.0 -15.0 315 36 317.8 318.1 289.5 322.5 1.37 6 400 7430 -25.7 -34.7 43 9.0 -27.1 320 40 321.6 321.7 289.8 323.4 0.50 7 300 9450 -41.5 -51.5 33 10.0 -42.1 340 54 326.9 326.9 290.9 327.3 0.11 8 266 10254 -47.7 -55.1 42 7.4 -48.0 340 60 329.3 329.3 291.6 329.6 0.08 9 250 10660 -50.9 -56.9 49 6.0 -51.1 350 46 330.4 330.4 291.9 330.7 0.07 10 235 11061 -54.1 -61.1 42 7.0 -54.2 325 42 331.4 331.5 292.2 331.6 0.04 11 200 12110 -49.3 -74.3 4 25.0 -49.8 330 33 354.7 354.7 297.7 354.7 0.01 12 150 13980 -53.1 -85.1 1 32.0 -53.5 325 35 378.6 378.6 302.0 378.6 0.00 13 100 16580 -55.1 -86.1 1 31.0 -55.6 315 23 421.3 421.3 307.9 421.3 0.00 TRP 235 11061 -54.1 -61.1 42 7.0 -54.2 325 42 331.4 331.5 292.2 331.6 0.04 WND 266 10254 -47.7 -55.1 42 7.4 -48.0 340 60 329.3 329.3 291.6 329.6 0.08 Sounding variables and indices 1000-500 mb thick: 5600.00 m Freezing level: 661.29 mb = 3633.71 m = 11921.47 ft Wetbulb zero: 760.87 mb = 2439.06 m = 8002.06 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 53.71 % Est. max temperature: 20.33 C = 68.59 F Sfc-Lift cond lev (LCL): 882.75 mb = 1219.11 m = 3999.65 ft T: 8.99 C 700-500 lapse rate: 5.85 C/km ThetaE index: 9.67 C Layer 850.0- 500.0 mb Conv cond level (CCL): 921.04 mb = 866.58 m = 2843.07 ft Mean mixing ratio: 9.54 g/kg Conv temperature: 19.44 C = 67.00 F Cap Strength: 3.04 C Lifted Index: 4.53 C Risk: None Lifted Index @300 mb: 6.18 C Lifted Index @700 mb: 3.04 C Showalter Index: 7.81 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.90 C K Index: 2.30 Risk: None Sweat Index: 146.80 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.33 J/kg Max Up Vert Vel: 10.03 m/s Conv Inhibition (B-): 0.39 J/kg Cap Strength: 4.50 C Lift Cond Lev (LCL): 922.82 mb = 850.56 m = 2790.52 ft Lev Free Conv (LFC): 917.82 mb = 895.67 m = 2938.50 ft Equ Level (EL): 777.82 mb = 2258.78 m = 7410.60 ft B at Equ Level: 49.71 J/kg Max Parcel Lev (MPL): 697.82 mb = 3145.52 m = 10319.83 ft Wind level data Storm motion: 353 at 17 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 1009 103 5 13 -1.1 -13.0 | 139 5 -3.0 3.5 1 1000 170 5 11 -1.0 -11.0 | 152 6 -2.9 5.5 2 925 831 330 11 5.5 -9.5 | 207 8 3.6 6.9 3 850 1533 335 17 7.2 -15.4 | 259 5 5.3 1.0 4 700 3121 325 19 10.9 -15.6 | 264 9 9.0 0.9 5 500 5770 315 36 25.5 -25.5 | 291 25 23.5 -9.0 6 400 7430 320 40 25.7 -30.6 | 301 28 23.8 -14.2 7 300 9450 340 54 18.5 -50.7 | 334 38 16.6 -34.3 8 266 10254 340 60 20.5 -56.4 | 335 44 18.6 -40.0 9 250 10660 350 46 8.0 -45.3 | 348 30 6.1 -28.9 10 235 11061 325 42 24.1 -34.4 | 309 29 22.2 -18.0 11 200 12110 330 33 16.5 -28.6 | 310 19 14.6 -12.1 12 150 13980 325 35 20.1 -28.7 | 304 22 18.2 -12.2 13 100 16580 315 23 16.3 -16.3 | 269 14 14.3 0.2 Wind Parameters Mean winds (0-6000m): 323.4 at 22.1 knts Storm direction: 353.4 at 16.5 knts Shear (0-3000m) pos: 0.7 neg: 1.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 125.7 deg Storm rel helicity (0-3000m) pos: 20.8 neg: 0.0 tot: 20.8 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.96 Bulk Shear: 25.66 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 ------------------------------------------------------------------------------- 500 355 11 169 5| 0.0 5.3 5.3| 7.9 0.0 7.9 15.9 0.88| 6.3 5.6 1000 344 11 192 6| 0.0 3.9 3.9| 14.3 0.0 14.3 14.3 0.85| 5.4 4.6 1500 340 13 209 5| 1.3 2.6 3.9| 19.8 0.0 19.8 13.2 0.87| 4.9 4.3 2000 338 14 223 5| 1.0 2.2 3.2| 20.3 0.0 20.3 10.2 0.83| 4.0 3.3 2500 336 15 234 5| 0.8 2.0 2.8| 20.7 0.0 20.7 8.3 0.78| 3.4 2.7 3000 334 15 242 6| 0.7 1.9 2.5| 20.8 0.0 20.8 6.9 0.73| 3.1 2.2 4000 330 17 256 7| 0.5 2.1 2.6| 31.7 0.0 31.7 7.9 0.69| 3.1 2.2 5000 327 19 268 9| 0.4 2.3 2.7| 39.9 0.0 39.9 8.0 0.60| 3.2 1.9 6000 323 22 276 11| 0.5 2.2 2.7| 49.2 0.0 49.2 8.2 0.55| 3.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250801.12.gif