UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 9 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 1019 103 13.2 7.2 67 6.0 10.0 5 7 284.8 285.9 282.3 302.3 6.25 1 1000 249 12.0 9.3 84 2.7 10.5 10 9 285.1 286.4 283.7 305.6 7.36 2 925 896 6.4 5.2 92 1.2 5.8 25 9 285.9 286.9 282.4 302.7 6.00 3 850 1600 9.8 3.8 66 6.0 6.6 15 13 296.4 297.5 286.6 313.8 5.92 4 700 3197 1.2 -2.9 74 4.1 -0.7 55 17 303.8 304.6 287.9 317.3 4.41 5 500 5830 -14.1 -23.1 46 9.0 -16.4 30 19 315.8 316.1 288.7 319.9 1.19 6 400 7480 -27.5 -32.0 65 4.5 -28.2 40 23 319.2 319.4 289.2 321.6 0.65 7 300 9480 -44.1 -53.1 36 9.0 -44.5 35 21 323.2 323.2 289.8 323.6 0.09 8 250 10670 -53.1 -58.1 54 5.0 -53.2 60 33 327.1 327.1 291.0 327.4 0.06 9 216 11598 -59.5 -64.5 52 5.0 -59.6 35 21 331.2 331.2 292.0 331.3 0.03 10 200 12080 -59.5 -68.5 30 9.0 -59.6 55 27 338.5 338.5 294.0 338.6 0.02 11 150 13890 -58.5 -77.5 7 19.0 -58.7 100 7 369.3 369.3 300.4 369.3 0.01 12 100 16400 -63.7 -91.7 1 28.0 -63.9 345 17 404.7 404.7 305.8 404.7 0.00 TRP 216 11598 -59.5 -64.5 52 5.0 -59.6 35 21 331.2 331.2 292.0 331.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5581.00 m Freezing level: 684.31 mb = 3403.51 m = 11166.23 ft Wetbulb zero: 715.20 mb = 3020.36 m = 9909.19 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 68.60 % Est. max temperature: 22.05 C = 71.70 F Sfc-Lift cond lev (LCL): 930.85 mb = 843.70 m = 2768.00 ft T: 6.85 C 700-500 lapse rate: 5.81 C/km ThetaE index: 2.93 C Layer 925.0- 850.0 mb Conv cond level (CCL): 929.83 mb = 852.74 m = 2797.68 ft Mean mixing ratio: 6.66 g/kg Conv temperature: 14.20 C = 57.56 F Cap Strength: 8.39 C Lifted Index: 12.07 C Risk: None Lifted Index @300 mb: 13.71 C Lifted Index @700 mb: 8.39 C Showalter Index: 5.89 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 90.60 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.38 J/kg Max Up Vert Vel: 2.18 m/s Conv Inhibition (B-): 12292.64 J/kg Cap Strength: 11.95 C Lift Cond Lev (LCL): 934.76 mb = 808.92 m = 2653.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 66 at 11 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 1019 103 5 7 -0.6 -7.0 | 283 10 9.9 -2.4 1 1000 249 10 9 -1.6 -8.9 | 295 10 8.9 -4.3 2 925 896 25 9 -3.8 -8.2 | 298 8 6.7 -3.6 3 850 1600 15 13 -3.4 -12.6 | 318 11 7.1 -8.0 4 700 3197 55 17 -13.9 -9.8 | 34 6 -3.4 -5.1 5 500 5830 30 19 -9.5 -16.5 | 355 12 1.0 -11.8 6 400 7480 40 23 -14.8 -17.6 | 18 14 -4.3 -13.0 7 300 9480 35 21 -12.0 -17.2 | 7 13 -1.5 -12.6 8 250 10670 60 33 -28.6 -16.5 | 57 22 -18.1 -11.9 9 216 11598 35 21 -12.0 -17.2 | 7 13 -1.5 -12.6 10 200 12080 55 27 -22.1 -15.5 | 47 16 -11.6 -10.9 11 150 13890 100 7 -6.9 1.2 | 212 7 3.6 5.8 12 100 16400 345 17 4.4 -16.4 | 308 19 14.9 -11.8 Wind Parameters Mean winds (0-6000m): 36.3 at 15.3 knts Storm direction: 66.3 at 11.5 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 103.4 deg Storm rel helicity (0-3000m) pos: 33.5 neg: 0.0 tot: 33.5 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 8.81 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 9 294 9| 2.8 0.0 2.8| 6.2 0.0 6.2 12.4 0.72| 3.4 2.4 1000 17 9 297 9| 2.1 0.0 2.1| 8.7 0.0 8.7 8.7 0.64| 2.9 1.8 1500 18 10 302 9| 1.4 1.1 2.5| 13.6 0.0 13.6 9.1 0.64| 3.0 1.9 2000 19 11 308 9| 1.8 0.8 2.6| 20.7 0.0 20.7 10.3 0.69| 3.1 2.1 2500 23 12 315 9| 2.1 0.7 2.7| 27.2 0.0 27.2 10.9 0.73| 3.2 2.3 3000 29 12 324 8| 2.3 0.5 2.8| 33.5 0.0 33.5 11.2 0.78| 3.3 2.6 4000 36 14 338 7| 1.7 0.7 2.4| 34.7 -3.8 30.9 7.7 0.60| 2.9 1.8 5000 37 14 346 7| 1.4 0.8 2.2| 34.7 -8.9 25.8 5.2 0.45| 2.6 1.2 6000 36 15 349 8| 1.1 0.9 2.0| 37.1 -13.2 23.9 4.0 0.37| 2.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251009.12.gif