UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080812.upa.cvt Date: 1200Z 8 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 8 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 1011 103 20.8 10.8 53 10.0 14.8 310 1 293.0 294.5 287.5 316.1 8.06 1 1000 185 18.8 13.8 73 5.0 15.7 325 1 292.0 293.7 288.8 320.2 9.96 2 925 847 12.6 10.7 88 1.9 11.4 155 5 292.2 293.8 287.8 317.2 8.76 3 850 1556 13.8 -15.2 12 29.0 2.9 250 15 300.6 300.9 283.4 305.0 1.38 4 700 3168 5.4 -12.6 26 18.0 -1.7 260 27 308.5 308.9 287.1 315.1 2.07 5 500 5830 -10.1 -11.2 92 1.1 -10.5 245 60 320.7 321.4 292.1 331.5 3.25 6 400 7520 -20.1 -21.0 92 0.9 -20.4 250 73 328.9 329.2 293.1 335.1 1.79 7 300 9590 -34.7 -38.1 71 3.4 -35.1 250 75 336.5 336.6 293.9 338.3 0.48 8 250 10840 -45.5 -50.0 60 4.5 -45.7 250 73 338.4 338.5 294.1 339.1 0.16 9 200 12280 -59.3 -61.8 73 2.5 -59.3 260 77 338.9 338.9 294.1 339.1 0.05 10 171 13251 -64.5 -68.4 59 3.9 -64.6 240 73 345.8 345.8 295.7 345.9 0.02 11 167 13396 -63.8 -69.8 44 5.9 -63.9 250 81 349.2 349.2 296.5 349.3 0.02 12 150 14060 -60.9 -75.9 12 15.0 -61.0 245 69 365.2 365.2 299.7 365.2 0.01 13 100 16600 -58.3 -80.3 4 22.0 -58.6 255 35 415.1 415.1 307.2 415.1 0.01 TRP 171 13251 -64.5 -68.4 59 3.9 -64.6 240 73 345.8 345.8 295.7 345.9 0.02 WND 167 13396 -63.8 -69.8 44 5.9 -63.9 250 81 349.2 349.2 296.5 349.3 0.02 Sounding variables and indices 1000-500 mb thick: 5645.00 m Freezing level: 630.32 mb = 4095.41 m = 13436.21 ft Wetbulb zero: 755.12 mb = 2538.69 m = 8328.93 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 49.21 % Est. max temperature: 27.10 C = 80.77 F Sfc-Lift cond lev (LCL): 871.69 mb = 1344.70 m = 4411.68 ft T: 13.44 C 700-500 lapse rate: 5.82 C/km ThetaE index: 15.25 C Layer 925.0- 700.0 mb Conv cond level (CCL): 742.19 mb = 2682.12 m = 8799.49 ft Mean mixing ratio: 9.07 g/kg Conv temperature: 33.91 C = 93.04 F Cap Strength: 5.79 C Lifted Index: 7.34 C Risk: None Lifted Index @300 mb: 13.44 C Lifted Index @700 mb: 5.79 C Showalter Index: 15.46 C Risk: None Total Totals Index: 18.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: -5.10 C K Index: -9.30 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 5.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.84 J/kg Max Up Vert Vel: 2.77 m/s Conv Inhibition (B-): 9449.78 J/kg Cap Strength: 7.24 C Lift Cond Lev (LCL): 905.32 mb = 1027.33 m = 3370.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 22 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 1011 103 310 1 0.8 -0.6 | 98 21 -21.1 3.1 1 1000 185 325 1 0.6 -0.8 | 98 22 -21.3 2.9 2 925 847 155 5 -2.1 4.5 | 109 25 -24.0 8.2 3 850 1556 250 15 14.1 5.1 | 139 12 -7.8 8.8 4 700 3168 260 27 26.6 4.7 | 209 10 4.7 8.4 5 500 5830 245 60 54.4 25.4 | 228 44 32.5 29.1 6 400 7520 250 73 68.6 25.0 | 238 55 46.7 28.7 7 300 9590 250 75 70.5 25.7 | 239 57 48.6 29.3 8 250 10840 250 73 68.6 25.0 | 238 55 46.7 28.7 9 200 12280 260 77 75.8 13.4 | 252 57 53.9 17.1 10 171 13251 240 73 63.2 36.5 | 226 58 41.3 40.2 11 167 13396 250 81 76.1 27.7 | 240 63 54.2 31.4 12 150 14060 245 69 62.5 29.2 | 231 52 40.6 32.9 13 100 16600 255 35 33.8 9.1 | 223 17 11.9 12.8 Wind Parameters Mean winds (0-6000m): 249.6 at 29.6 knts Storm direction: 279.6 at 22.2 knts Shear (0-3000m) pos: 4.3 neg: 1.6 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 108.1 deg Storm rel helicity (0-3000m) pos: 117.0 neg: -2.2 tot: 114.9 m^2/s^2 ave: 38.3 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 100.68 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 ------------------------------------------------------------------------------- 500 242 2 103 21| 0.0 3.8 3.8| 19.9 -1.2 18.7 37.3 0.70| 5.2 3.6 1000 169 4 108 24| 0.0 4.7 4.7| 55.1 -2.2 52.9 52.9 0.62| 7.4 4.5 1500 223 7 116 19| 4.6 3.1 7.8| 88.6 -2.2 86.5 57.6 0.53| 9.8 5.2 2000 239 9 121 16| 4.4 2.4 6.8| 98.2 -2.2 96.0 48.0 0.58| 8.4 4.8 2500 246 11 126 14| 4.3 1.9 6.2|107.6 -2.2 105.4 42.2 0.62| 7.5 4.6 3000 251 14 133 12| 4.3 1.6 5.9|117.0 -2.2 114.9 38.3 0.65| 6.9 4.5 4000 254 18 154 10| 3.2 2.4 5.6|134.0 -2.2 131.8 33.0 0.59| 6.8 4.0 5000 252 24 184 11| 2.6 3.3 5.8|138.8 -2.8 136.0 27.2 0.48| 6.8 3.3 6000 250 30 203 15| 2.1 3.7 5.8|154.8 -12.5 142.3 23.7 0.41| 6.7 2.8 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250808.12.gif