UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081012.upa.cvt Date: 1200Z 10 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 10 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 1016 103 21.6 10.6 50 11.0 15.0 75 7 293.4 294.8 287.5 316.1 7.91 1 1000 231 19.2 12.2 64 7.0 14.9 70 7 292.4 293.9 288.1 317.9 8.96 2 925 895 13.6 8.6 72 5.0 10.7 75 11 293.2 294.6 287.1 315.0 7.60 3 850 1613 16.4 -24.6 4 41.0 3.1 135 1 303.3 303.4 283.5 305.4 0.61 4 700 3239 8.4 -9.6 27 18.0 0.5 250 15 311.8 312.3 288.8 320.3 2.63 5 500 5930 -9.1 -14.1 67 5.0 -11.0 225 25 321.9 322.4 291.9 330.5 2.57 6 400 7620 -20.5 -29.5 44 9.0 -22.4 230 33 328.3 328.5 292.1 331.3 0.83 7 300 9680 -37.3 -46.3 39 9.0 -38.0 230 38 332.8 332.8 292.7 333.6 0.20 8 250 10910 -46.5 -53.5 45 7.0 -46.8 230 44 336.9 337.0 293.7 337.4 0.10 9 200 12370 -51.9 -72.9 6 21.0 -52.3 260 46 350.6 350.6 296.8 350.6 0.01 10 150 14200 -61.1 -86.1 2 25.0 -61.3 260 33 364.8 364.8 299.6 364.8 0.00 11 149 14241 -61.1 -86.1 2 25.0 -61.3 260 33 365.5 365.5 299.8 365.5 0.00 12 100 16710 -61.7 -90.7 1 29.0 -61.9 255 19 408.5 408.5 306.3 408.5 0.00 TRP 149 14241 -61.1 -86.1 2 25.0 -61.3 260 33 365.5 365.5 299.8 365.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5699.00 m Freezing level: 604.00 mb = 4530.68 m = 14864.26 ft Wetbulb zero: 690.52 mb = 3348.05 m = 10984.27 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 39.81 % Est. max temperature: 29.29 C = 84.72 F Sfc-Lift cond lev (LCL): 863.29 mb = 1481.26 m = 4859.73 ft T: 15.89 C 700-500 lapse rate: 6.50 C/km ThetaE index: 12.51 C Layer 925.0- 700.0 mb Conv cond level (CCL): 649.02 mb = 3843.72 m = 12610.47 ft Mean mixing ratio: 8.15 g/kg Conv temperature: 42.43 C = 108.38 F Cap Strength: 9.61 C Lifted Index: 9.40 C Risk: None Lifted Index @300 mb: 12.07 C Lifted Index @700 mb: 9.61 C Showalter Index: 15.27 C Risk: None Total Totals Index: 10.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: -15.50 C K Index: -17.10 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 5.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.60 J/kg Max Up Vert Vel: 2.28 m/s Conv Inhibition (B-): 10740.39 J/kg Cap Strength: 9.58 C Lift Cond Lev (LCL): 875.71 mb = 1359.93 m = 4461.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 10 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 1016 103 75 7 -6.8 -1.8 | 79 17 -17.1 -3.2 1 1000 231 70 7 -6.6 -2.4 | 77 17 -16.9 -3.8 2 925 895 75 11 -10.6 -2.8 | 79 21 -20.9 -4.2 3 850 1613 135 1 -0.7 0.7 | 86 11 -11.0 -0.7 4 700 3239 250 15 14.1 5.1 | 225 5 3.8 3.7 5 500 5930 225 25 17.7 17.7 | 204 18 7.4 16.3 6 400 7620 230 33 25.3 21.2 | 217 25 15.0 19.8 7 300 9680 230 38 29.1 24.4 | 219 30 18.8 23.0 8 250 10910 230 44 33.7 28.3 | 221 36 23.4 26.9 9 200 12370 260 46 45.3 8.0 | 259 36 35.0 6.6 10 150 14200 260 33 32.5 5.7 | 259 23 22.2 4.3 11 149 14241 260 33 32.5 5.7 | 259 23 22.2 4.3 12 100 16710 255 19 18.4 4.9 | 246 9 8.0 3.5 Wind Parameters Mean winds (0-6000m): 232.4 at 13.9 knts Storm direction: 262.4 at 10.4 knts Shear (0-3000m) pos: 3.9 neg: 0.4 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 118.0 deg Storm rel helicity (0-3000m) pos: 68.8 neg: -6.0 tot: 62.8 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 60.65 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 72 8 78 18| 0.0 2.3 2.3| 0.7 -2.7 -2.0 -4.1 -0.17| 2.8 -0.5 1000 75 9 79 19| 1.6 1.2 2.8| 17.1 -2.7 14.4 14.4 0.31| 4.3 1.4 1500 76 7 80 18| 3.0 0.8 3.8| 23.7 -6.0 17.7 11.8 0.19| 5.6 1.1 2000 83 6 82 17| 2.9 0.6 3.4| 37.4 -6.0 31.4 15.7 0.36| 5.3 1.9 2500 101 7 89 17| 3.5 0.5 4.0| 54.2 -6.0 48.2 19.3 0.49| 5.6 2.7 3000 143 7 107 15| 3.9 0.4 4.3| 68.8 -6.0 62.8 20.9 0.59| 6.1 3.6 4000 239 10 149 4| 3.3 0.2 3.5| 72.5 -7.6 65.0 16.2 0.54| 5.4 2.9 5000 237 12 175 5| 2.6 0.6 3.2| 72.5 -12.5 60.1 12.0 0.45| 4.8 2.2 6000 232 14 185 7| 2.2 0.9 3.1| 74.6 -19.8 54.8 9.1 0.38| 4.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250810.12.gif