UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080712.upa.cvt Date: 1200Z 7 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 7 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 1007 103 21.2 12.2 56 9.0 15.6 220 5 293.8 295.4 288.5 319.3 8.89 1 1000 156 18.4 13.8 75 4.6 15.5 210 7 291.5 293.3 288.6 319.8 9.96 2 925 818 16.2 -15.8 10 32.0 4.4 240 19 295.9 296.1 281.2 299.7 1.20 3 850 1534 15.2 -29.8 3 45.0 2.1 250 23 302.1 302.1 282.7 303.4 0.38 4 700 3153 6.6 6.5 99 0.1 6.5 255 36 309.8 311.4 293.4 336.5 8.71 5 500 5840 -7.7 -23.7 26 16.0 -12.4 255 46 323.7 323.9 291.0 327.6 1.13 6 400 7550 -18.3 -36.3 19 18.0 -21.6 260 58 331.2 331.3 292.5 332.8 0.43 7 300 9620 -35.1 -41.1 54 6.0 -35.8 260 62 335.9 336.0 293.6 337.3 0.35 8 250 10870 -45.1 -52.1 45 7.0 -45.4 260 66 339.0 339.0 294.2 339.5 0.12 9 200 12320 -56.9 -62.9 47 6.0 -57.0 265 71 342.7 342.7 295.0 342.8 0.04 10 184 12845 -59.8 -66.3 42 6.5 -59.9 260 77 346.3 346.3 295.8 346.4 0.03 11 171 13300 -62.3 -69.3 39 7.0 -62.4 265 69 349.4 349.4 296.5 349.5 0.02 12 150 14110 -62.1 -83.1 4 21.0 -62.3 260 54 363.1 363.1 299.3 363.1 0.00 13 100 16610 -61.5 -90.5 1 29.0 -61.7 250 31 408.9 408.9 306.4 408.9 0.00 TRP 171 13300 -62.3 -69.3 39 7.0 -62.4 265 69 349.4 349.4 296.5 349.5 0.02 WND 184 12845 -59.8 -66.3 42 6.5 -59.9 260 77 346.3 346.3 295.8 346.4 0.03 Sounding variables and indices 1000-500 mb thick: 5684.00 m Freezing level: 607.69 mb = 4393.15 m = 14413.06 ft Wetbulb zero: 631.06 mb = 3980.96 m = 13060.73 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 50.52 % Est. max temperature: 28.91 C = 84.05 F Sfc-Lift cond lev (LCL): 881.44 mb = 1226.49 m = 4023.87 ft T: 15.63 C 700-500 lapse rate: 5.32 C/km ThetaE index: 20.13 C Layer 925.0- 850.0 mb Conv cond level (CCL): 534.18 mb = 5311.95 m = 17427.44 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 48.44 C = 119.19 F Cap Strength: 11.33 C Lifted Index: 15.40 C Risk: None Lifted Index @300 mb: 19.43 C Lifted Index @700 mb: 11.33 C Showalter Index: 17.70 C Risk: None Total Totals Index: 0.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: -22.10 C K Index: -7.00 Risk: None Sweat Index: 127.89 Risk: None Energy Index: 5.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.61 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 13595.16 J/kg Cap Strength: 15.33 C Lift Cond Lev (LCL): 772.32 mb = 2333.18 m = 7654.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 24 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 1007 103 220 5 3.2 3.8 | 114 23 -20.6 9.3 1 1000 156 210 7 3.5 6.1 | 120 23 -20.3 11.5 2 925 818 240 19 16.5 9.5 | 154 17 -7.4 14.9 3 850 1534 250 23 21.6 7.9 | 171 13 -2.2 13.3 4 700 3153 255 36 34.8 9.3 | 217 18 11.0 14.7 5 500 5840 255 46 44.4 11.9 | 230 27 20.6 17.3 6 400 7550 260 58 57.1 10.1 | 245 37 33.3 15.5 7 300 9620 260 62 61.1 10.8 | 246 41 37.2 16.2 8 250 10870 260 66 65.0 11.5 | 248 45 41.2 16.9 9 200 12320 265 71 70.7 6.2 | 256 48 46.9 11.6 10 184 12845 260 77 75.8 13.4 | 250 55 52.0 18.8 11 171 13300 265 69 68.7 6.0 | 256 46 44.9 11.4 12 150 14110 260 54 53.2 9.4 | 243 33 29.4 14.8 13 100 16610 250 31 29.1 10.6 | 198 17 5.3 16.0 Wind Parameters Mean winds (0-6000m): 252.8 at 32.6 knts Storm direction: 282.8 at 24.4 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 101.4 deg Storm rel helicity (0-3000m) pos: 142.2 neg: 0.0 tot: 142.2 m^2/s^2 ave: 47.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 76.50 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 ------------------------------------------------------------------------------- 500 223 10 128 21| 10.5 0.0 10.5| 58.7 0.0 58.7 117.3 0.92| 11.4 10.5 1000 235 14 139 18| 8.3 0.0 8.3| 84.9 0.0 84.9 84.9 0.88| 9.3 8.2 1500 241 17 147 16| 6.7 0.0 6.7| 97.3 0.0 97.3 64.8 0.87| 7.5 6.6 2000 244 19 154 15| 6.0 0.0 6.0|111.9 0.0 111.9 55.9 0.89| 6.7 6.0 2500 247 21 162 14| 5.7 0.0 5.7|126.8 0.0 126.8 50.7 0.89| 6.2 5.5 3000 249 23 171 14| 5.4 0.0 5.4|142.2 0.0 142.2 47.4 0.89| 5.9 5.2 4000 251 27 186 14| 4.3 0.2 4.6|154.4 0.0 154.4 38.6 0.86| 4.9 4.2 5000 252 30 197 15| 3.5 0.6 4.0|165.7 0.0 165.7 33.1 0.83| 4.3 3.6 6000 253 33 206 17| 3.1 0.6 3.8|183.6 0.0 183.6 30.6 0.80| 4.0 3.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250807.12.gif