UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 8 OCT 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 1014 103 14.6 9.7 72 4.9 11.8 20 7 286.6 287.9 284.4 307.5 7.46 1 1000 209 14.2 11.0 81 3.2 12.3 15 9 287.4 288.8 285.5 310.5 8.26 2 925 862 11.6 3.6 58 8.0 7.5 355 5 291.2 292.1 284.0 306.6 5.36 3 850 1566 9.6 -0.4 50 10.0 4.7 360 3 296.2 297.0 285.0 309.1 4.37 4 700 3157 2.6 -6.4 51 9.0 -1.4 335 7 305.4 306.0 287.3 315.9 3.38 5 500 5780 -14.5 -27.5 32 13.0 -17.4 300 9 315.4 315.5 288.1 318.1 0.80 6 400 7430 -27.3 -34.3 51 7.0 -28.3 275 19 319.5 319.6 289.2 321.4 0.52 7 300 9430 -43.7 -46.8 71 3.1 -43.9 245 19 323.8 323.8 290.1 324.5 0.19 8 250 10620 -51.3 -58.3 43 7.0 -51.5 255 19 329.8 329.8 291.7 330.0 0.06 9 209 11777 -55.3 -67.3 21 12.0 -55.5 245 23 340.9 340.9 294.6 341.0 0.02 10 200 12060 -53.7 -68.7 14 15.0 -54.0 230 27 347.7 347.7 296.1 347.8 0.02 11 150 13890 -57.3 -78.3 5 21.0 -57.6 275 25 371.4 371.4 300.8 371.4 0.01 12 100 16410 -63.3 -91.3 1 28.0 -63.5 245 15 405.4 405.4 305.9 405.4 0.00 TRP 209 11777 -55.3 -67.3 21 12.0 -55.5 245 23 340.9 340.9 294.6 341.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5571.00 m Freezing level: 669.59 mb = 3555.82 m = 11665.93 ft Wetbulb zero: 734.13 mb = 2766.91 m = 9077.68 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 49.40 % Est. max temperature: 23.25 C = 73.85 F Sfc-Lift cond lev (LCL): 942.11 mb = 708.45 m = 2324.28 ft T: 12.21 C 700-500 lapse rate: 6.52 C/km ThetaE index: 3.85 C Layer 925.0- 850.0 mb Conv cond level (CCL): 710.84 mb = 3031.08 m = 9944.35 ft Mean mixing ratio: 6.77 g/kg Conv temperature: 32.70 C = 90.86 F Cap Strength: 7.50 C Lifted Index: 8.80 C Risk: None Lifted Index @300 mb: 11.07 C Lifted Index @700 mb: 7.50 C Showalter Index: 8.33 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 14.10 C K Index: 14.70 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.10 J/kg Max Up Vert Vel: 4.02 m/s Conv Inhibition (B-): 11123.36 J/kg Cap Strength: 8.71 C Lift Cond Lev (LCL): 887.21 mb = 1209.24 m = 3967.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 5 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 1014 103 20 7 -2.4 -6.6 | 59 3 -2.5 -1.5 1 1000 209 15 9 -2.3 -8.7 | 34 4 -2.4 -3.6 2 925 862 355 5 0.4 -5.0 | 254 0 0.3 0.1 3 850 1566 360 3 -0.0 -3.0 | 177 2 -0.1 2.1 4 700 3157 335 7 3.0 -6.3 | 294 3 2.8 -1.3 5 500 5780 300 9 7.8 -4.5 | 266 8 7.7 0.6 6 400 7430 275 19 18.9 -1.7 | 260 19 18.8 3.4 7 300 9430 245 19 17.2 8.0 | 233 22 17.1 13.1 8 250 10620 255 19 18.4 4.9 | 241 21 18.2 10.0 9 209 11777 245 23 20.8 9.7 | 234 25 20.7 14.8 10 200 12060 230 27 20.7 17.4 | 223 30 20.6 22.4 11 150 13890 275 25 24.9 -2.2 | 263 25 24.8 2.9 12 100 16410 245 15 13.6 6.3 | 230 18 13.5 11.4 Wind Parameters Mean winds (0-6000m): 328.7 at 6.8 knts Storm direction: 358.7 at 5.1 knts Shear (0-3000m) pos: 0.2 neg: 0.9 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -125.3 deg Storm rel helicity (0-3000m) pos: 0.8 neg: -2.4 tot: -1.5 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 2.2 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.07 Bulk Shear: 3.91 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 12 8 33 3| 0.0 2.1 2.1| 0.0 -2.1 -2.1 -4.2 -0.50| 5.0 -2.5 1000 7 7 33 2| 0.0 1.8 1.8| 0.0 -2.3 -2.3 -2.3 -0.54| 3.8 -2.1 1500 5 6 51 1| 0.4 1.2 1.6| 0.0 -2.4 -2.4 -1.6 -0.49| 3.0 -1.5 2000 3 5 83 0| 0.3 0.9 1.2| 0.3 -2.4 -2.1 -1.0 -0.35| 2.6 -0.9 2500 360 5 78 0| 0.3 0.9 1.1| 0.6 -2.4 -1.8 -0.7 -0.20| 2.4 -0.5 3000 355 5 295 0| 0.2 0.9 1.2| 0.8 -2.4 -1.5 -0.5 -0.14| 2.2 -0.3 4000 346 6 293 1| 0.2 0.9 1.1| 0.8 -3.1 -2.3 -0.6 -0.18| 1.9 -0.3 5000 338 6 288 2| 0.1 0.9 1.1| 0.8 -4.7 -3.8 -0.8 -0.21| 1.7 -0.4 6000 329 7 282 3| 0.1 1.1 1.2| 1.3 -6.1 -4.8 -0.8 -0.20| 1.8 -0.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251008.12.gif