UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080912.upa.cvt Date: 1200Z 9 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 9 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 1013 103 20.0 8.0 46 12.0 13.1 310 7 292.1 293.3 285.7 311.2 6.65 1 1000 209 17.4 10.4 63 7.0 13.3 305 9 290.5 292.0 286.4 313.1 7.93 2 925 868 11.6 8.8 83 2.8 10.0 315 7 291.2 292.5 286.4 313.1 7.70 3 850 1570 10.8 -11.2 20 22.0 2.1 285 9 297.5 297.8 282.7 303.4 1.91 4 700 3180 7.0 -31.0 5 38.0 -3.3 260 29 310.2 310.3 285.9 311.7 0.41 5 500 5870 -6.3 -18.3 38 12.0 -10.5 270 35 325.4 325.7 292.2 331.6 1.81 6 400 7580 -18.7 -40.7 13 22.0 -22.2 265 40 330.7 330.7 292.2 331.7 0.27 7 300 9650 -35.3 -52.3 16 17.0 -36.5 270 42 335.6 335.6 293.3 336.0 0.10 8 250 10890 -45.3 -55.3 32 10.0 -45.7 270 48 338.7 338.7 294.1 339.1 0.08 9 207 12121 -54.4 -61.9 39 7.5 -54.6 270 58 343.2 343.2 295.1 343.4 0.04 10 200 12340 -56.1 -63.1 41 7.0 -56.2 275 58 343.9 343.9 295.3 344.1 0.04 11 166 13511 -61.7 -73.7 19 12.0 -61.8 270 56 353.4 353.4 297.4 353.4 0.01 12 150 14140 -61.5 -75.5 14 14.0 -61.6 270 36 364.1 364.1 299.5 364.2 0.01 13 100 16640 -59.9 -88.9 1 29.0 -60.2 265 21 412.0 412.0 306.7 412.0 0.00 TRP 166 13511 -61.7 -73.7 19 12.0 -61.8 270 56 353.4 353.4 297.4 353.4 0.01 WND 207 12121 -54.4 -61.9 39 7.5 -54.6 270 58 343.2 343.2 295.1 343.4 0.04 Sounding variables and indices 1000-500 mb thick: 5661.00 m Freezing level: 594.74 mb = 4595.79 m = 15077.87 ft Wetbulb zero: 791.39 mb = 2162.44 m = 7094.52 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 28.80 % Est. max temperature: 24.27 C = 75.68 F Sfc-Lift cond lev (LCL): 847.35 mb = 1595.89 m = 5235.79 ft T: 10.74 C 700-500 lapse rate: 4.94 C/km ThetaE index: 9.74 C Layer 850.0- 700.0 mb Conv cond level (CCL): 637.70 mb = 3925.27 m = 12878.01 ft Mean mixing ratio: 7.65 g/kg Conv temperature: 42.45 C = 108.40 F Cap Strength: 9.79 C Lifted Index: 14.31 C Risk: None Lifted Index @300 mb: 16.48 C Lifted Index @700 mb: 9.79 C Showalter Index: 20.34 C Risk: None Total Totals Index: 12.20 C Risk: None Vertical Totals Index: 17.10 C Cross Totals Index: -4.90 C K Index: -32.10 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 5.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.53 J/kg Max Up Vert Vel: 2.66 m/s Conv Inhibition (B-): 11597.04 J/kg Cap Strength: 14.01 C Lift Cond Lev (LCL): 887.47 mb = 1211.85 m = 3975.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 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 1013 103 310 7 5.4 -4.5 | 111 10 -9.7 3.8 1 1000 209 305 9 7.4 -5.2 | 112 8 -7.7 3.1 2 925 868 315 7 4.9 -4.9 | 108 11 -10.1 3.3 3 850 1570 285 9 8.7 -2.3 | 133 9 -6.4 6.0 4 700 3180 260 29 28.6 5.0 | 225 19 13.5 13.3 5 500 5870 270 35 35.0 -0.0 | 247 22 19.9 8.3 6 400 7580 265 40 39.8 3.5 | 245 27 24.8 11.8 7 300 9650 270 42 42.0 -0.0 | 253 28 26.9 8.3 8 250 10890 270 48 48.0 -0.0 | 256 34 32.9 8.3 9 207 12121 270 58 58.0 -0.0 | 259 44 42.9 8.3 10 200 12340 275 58 57.8 -5.1 | 266 43 42.7 3.2 11 166 13511 270 56 56.0 -0.0 | 259 42 40.9 8.3 12 150 14140 270 36 36.0 -0.0 | 248 22 20.9 8.3 13 100 16640 265 21 20.9 1.8 | 210 12 5.8 10.1 Wind Parameters Mean winds (0-6000m): 268.8 at 22.9 knts Storm direction: 298.8 at 17.2 knts Shear (0-3000m) pos: 0.1 neg: 4.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -1.4 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 39.51 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 ------------------------------------------------------------------------------- 500 308 8 111 9| 0.8 0.0 0.8| 0.3 -1.1 -0.8 -1.6 -0.10| 3.5 -0.4 1000 309 8 110 10| 0.4 0.4 0.8| 2.8 -1.4 1.5 1.5 0.09| 2.8 0.3 1500 303 8 115 9| 0.3 1.5 1.7| 10.5 -1.4 9.1 6.1 0.42| 3.1 1.3 2000 295 9 122 8| 0.2 2.6 2.8| 21.0 -1.4 19.6 9.8 0.62| 4.0 2.5 2500 286 11 139 7| 0.2 3.5 3.6| 31.0 -1.4 29.6 11.8 0.64| 4.6 2.9 3000 277 13 165 7| 0.1 4.1 4.2| 37.1 -1.4 35.7 11.9 0.55| 5.0 2.7 4000 270 17 195 8| 0.5 3.1 3.6| 50.8 -1.4 49.4 12.3 0.56| 4.2 2.4 5000 269 20 211 10| 0.7 2.4 3.2| 66.2 -1.4 64.8 13.0 0.60| 3.7 2.2 6000 269 23 222 12| 0.8 2.0 2.9| 78.7 -2.0 76.7 12.8 0.60| 3.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250809.12.gif