UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025073012.upa.cvt Date: 1200Z 30 JUL 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 30 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 19.4 13.4 68 6.0 15.7 345 9 291.6 293.3 288.3 318.7 9.58 1 1000 198 17.8 15.9 89 1.9 16.6 345 9 291.0 293.0 289.8 323.2 11.43 2 925 860 13.2 12.5 96 0.7 12.8 335 9 292.8 294.6 289.0 321.0 9.89 3 850 1566 8.4 8.2 99 0.2 8.3 325 11 294.9 296.4 288.2 318.2 8.05 4 700 3172 5.2 -7.8 38 13.0 -0.5 330 21 308.2 308.8 288.1 317.8 3.03 5 500 5830 -11.7 -24.7 33 13.0 -15.1 330 21 318.8 319.0 289.5 322.3 1.03 6 400 7500 -22.7 -28.7 58 6.0 -23.9 315 31 325.5 325.7 291.3 328.7 0.89 7 300 9550 -37.9 -42.2 64 4.3 -38.3 305 35 332.0 332.0 292.6 333.1 0.31 8 250 10780 -47.1 -61.1 19 14.0 -47.6 305 50 336.0 336.1 293.4 336.2 0.04 9 212 11849 -55.1 -61.1 47 6.0 -55.2 300 54 339.8 339.8 294.3 340.0 0.05 10 200 12220 -55.1 -64.1 32 9.0 -55.3 295 56 345.5 345.5 295.7 345.7 0.03 11 193 12448 -55.2 -66.2 24 11.0 -55.4 305 60 348.9 348.9 296.4 349.0 0.03 12 150 14060 -55.7 -80.7 3 25.0 -56.1 310 35 374.1 374.1 301.3 374.1 0.00 13 100 16630 -57.7 -87.7 1 30.0 -58.1 320 15 416.2 416.2 307.3 416.3 0.00 TRP 212 11849 -55.1 -61.1 47 6.0 -55.2 300 54 339.8 339.8 294.3 340.0 0.05 WND 193 12448 -55.2 -66.2 24 11.0 -55.4 305 60 348.9 348.9 296.4 349.0 0.03 Sounding variables and indices 1000-500 mb thick: 5632.00 m Freezing level: 638.46 mb = 3989.85 m = 13089.89 ft Wetbulb zero: 708.66 mb = 3070.26 m = 10072.92 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 59.12 % Est. max temperature: 22.45 C = 72.41 F Sfc-Lift cond lev (LCL): 925.87 mb = 852.00 m = 2795.23 ft T: 13.26 C 700-500 lapse rate: 6.36 C/km ThetaE index: 5.40 C Layer 925.0- 500.0 mb Conv cond level (CCL): 929.98 mb = 814.40 m = 2671.90 ft Mean mixing ratio: 10.51 g/kg Conv temperature: 20.53 C = 68.95 F Cap Strength: 4.01 C Lifted Index: 3.69 C Risk: None Lifted Index @300 mb: 7.75 C Lifted Index @700 mb: 4.01 C Showalter Index: 5.68 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 19.90 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 141.40 Risk: None Energy Index: 0.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.10 J/kg Max Up Vert Vel: 7.50 m/s Conv Inhibition (B-): 1.60 J/kg Cap Strength: 4.01 C Lift Cond Lev (LCL): 940.09 mb = 722.61 m = 2370.75 ft Lev Free Conv (LFC): 915.09 mb = 949.95 m = 3116.61 ft Equ Level (EL): 805.09 mb = 2015.03 m = 6610.89 ft B at Equ Level: 27.42 J/kg Max Parcel Lev (MPL): 745.09 mb = 2655.66 m = 8712.70 ft Wind level data Storm motion: 0 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 103 345 9 2.3 -8.7 | 210 5 2.4 4.1 1 1000 198 345 9 2.3 -8.7 | 210 5 2.4 4.1 2 925 860 335 9 3.8 -8.2 | 220 6 3.8 4.6 3 850 1566 325 11 6.3 -9.0 | 239 7 6.3 3.7 4 700 3172 330 21 10.5 -18.2 | 297 12 10.5 -5.4 5 500 5830 330 21 10.5 -18.2 | 297 12 10.5 -5.4 6 400 7500 315 31 21.9 -21.9 | 293 24 22.0 -9.2 7 300 9550 305 35 28.7 -20.1 | 284 30 28.7 -7.3 8 250 10780 305 50 41.0 -28.7 | 291 44 41.0 -15.9 9 212 11849 300 54 46.8 -27.0 | 287 49 46.8 -14.2 10 200 12220 295 56 50.8 -23.7 | 282 52 50.8 -10.9 11 193 12448 305 60 49.1 -34.4 | 294 54 49.2 -21.7 12 150 14060 310 35 26.8 -22.5 | 290 29 26.8 -9.7 13 100 16630 320 15 9.6 -11.5 | 263 10 9.7 1.3 Wind Parameters Mean winds (0-6000m): 330.1 at 17.0 knts Storm direction: 0.1 at 12.8 knts Shear (0-3000m) pos: 1.6 neg: 0.7 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 85.6 deg Storm rel helicity (0-3000m) pos: 24.4 neg: 0.0 tot: 24.4 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.98 Bulk Shear: 9.42 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 ------------------------------------------------------------------------------- 500 343 9 213 5| 0.0 1.0 1.0| 0.8 0.0 0.8 1.6 0.62| 1.0 0.6 1000 339 9 218 5| 0.0 1.2 1.2| 2.6 0.0 2.6 2.6 0.71| 1.3 0.9 1500 335 10 225 6| 0.0 1.4 1.4| 5.5 0.0 5.5 3.7 0.76| 1.5 1.1 2000 332 10 233 6| 0.8 1.1 1.9| 11.6 0.0 11.6 5.8 0.85| 1.9 1.6 2500 331 11 244 6| 1.3 0.8 2.1| 17.9 0.0 17.9 7.2 0.86| 2.2 1.9 3000 331 13 255 7| 1.6 0.7 2.3| 24.4 0.0 24.4 8.1 0.83| 2.4 2.0 4000 330 15 270 7| 1.3 0.5 1.8| 25.4 0.0 25.4 6.3 0.83| 1.8 1.5 5000 330 16 278 8| 1.0 0.4 1.4| 25.4 0.0 25.4 5.1 0.83| 1.5 1.2 6000 330 17 283 9| 0.8 0.5 1.4| 25.5 0.0 25.5 4.3 0.74| 1.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250730.12.gif