UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 1 DEC 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1012 61 9.0 4.8 75 4.2 6.9 145 9 281.2 282.1 279.5 295.9 5.33 1 1000 148 7.0 3.7 79 3.3 5.4 145 9 280.1 281.0 278.6 293.9 4.99 2 925 790 8.4 -23.6 8 32.0 -0.5 190 21 287.9 288.0 276.6 289.8 0.62 3 850 1482 5.2 -33.8 4 39.0 -3.4 245 15 291.6 291.6 277.9 292.5 0.26 4 700 3047 -1.9 -3.8 87 1.9 -2.7 270 11 300.4 301.1 286.4 312.8 4.12 5 500 5640 -17.5 -19.2 87 1.7 -18.0 285 15 311.7 312.0 287.8 317.2 1.67 6 400 7270 -29.7 -33.8 67 4.1 -30.3 285 17 316.4 316.5 288.2 318.3 0.55 7 300 9260 -44.7 -56.7 25 12.0 -45.2 305 23 322.4 322.4 289.5 322.6 0.06 8 250 10450 -54.3 -64.3 28 10.0 -54.5 305 27 325.3 325.3 290.4 325.4 0.03 9 200 11850 -64.3 -71.3 38 7.0 -64.4 315 48 330.9 330.9 292.0 331.0 0.01 10 186 12290 -66.8 -73.1 41 6.3 -66.9 315 58 333.8 333.8 292.7 333.8 0.01 11 161 13149 -71.9 -76.8 48 4.9 -71.9 315 31 339.3 339.3 294.1 339.3 0.01 12 150 13570 -67.1 -78.1 20 11.0 -67.2 310 17 354.5 354.5 297.6 354.5 0.01 13 100 16060 -64.3 -92.3 1 28.0 -64.5 290 13 403.5 403.5 305.7 403.5 0.00 TRP 161 13149 -71.9 -76.8 48 4.9 -71.9 315 31 339.3 339.3 294.1 339.3 0.01 WND 186 12290 -66.8 -73.1 41 6.3 -66.9 315 58 333.8 333.8 292.7 333.8 0.01 Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 740.14 mb = 2628.20 m = 8622.59 ft Wetbulb zero: 931.43 mb = 732.93 m = 2404.61 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 60.77 % Est. max temperature: 18.82 C = 65.88 F Sfc-Lift cond lev (LCL): 949.26 mb = 576.83 m = 1892.46 ft T: 7.94 C 700-500 lapse rate: 6.02 C/km ThetaE index: 6.06 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 567.38 mb = 4665.70 m = 15307.24 ft Mean mixing ratio: 2.77 g/kg Conv temperature: 35.43 C = 95.77 F Cap Strength: 12.32 C Lifted Index: 17.11 C Risk: None Lifted Index @300 mb: 21.43 C Lifted Index @700 mb: 12.32 C Showalter Index: 16.49 C Risk: None Total Totals Index: 6.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: -16.30 C K Index: -13.00 Risk: None Sweat Index: 150.35 Risk: None Energy Index: 5.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.78 J/kg Max Up Vert Vel: 5.62 m/s Conv Inhibition (B-): 15356.93 J/kg Cap Strength: 17.08 C Lift Cond Lev (LCL): 790.30 mb = 2069.05 m = 6788.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 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 1012 61 145 9 -5.2 7.4 | 124 18 -15.2 10.2 1 1000 148 145 9 -5.2 7.4 | 124 18 -15.2 10.2 2 925 790 190 21 3.6 20.7 | 165 24 -6.4 23.5 3 850 1482 245 15 13.6 6.3 | 201 10 3.6 9.1 4 700 3047 270 11 11.0 -0.0 | 199 3 1.0 2.8 5 500 5640 285 15 14.5 -3.9 | 284 5 4.5 -1.1 6 400 7270 285 17 16.4 -4.4 | 284 7 6.4 -1.6 7 300 9260 305 23 18.8 -13.2 | 320 14 8.8 -10.4 8 250 10450 305 27 22.1 -15.5 | 316 18 12.1 -12.7 9 200 11850 315 48 33.9 -33.9 | 322 39 23.9 -31.2 10 186 12290 315 58 41.0 -41.0 | 321 49 31.0 -38.2 11 161 13149 315 31 21.9 -21.9 | 328 23 11.9 -19.1 12 150 13570 310 17 13.0 -10.9 | 340 9 3.0 -8.1 13 100 16060 290 13 12.2 -4.4 | 307 3 2.2 -1.7 Wind Parameters Mean winds (0-6000m): 255.6 at 13.9 knts Storm direction: 285.6 at 10.4 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 76.2 deg Storm rel helicity (0-3000m) pos: 143.7 neg: -0.4 tot: 143.3 m^2/s^2 ave: 47.8 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.33 Bulk Shear: 48.24 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 ------------------------------------------------------------------------------- 500 161 12 136 20| 10.1 0.0 10.1| 49.6 0.0 49.6 99.2 0.89| 10.4 9.3 1000 183 16 154 21| 8.8 0.0 8.8|121.1 0.0 121.1 121.1 0.86| 12.6 10.8 1500 197 16 164 19| 6.4 0.0 6.4|142.6 0.0 142.6 95.1 0.75| 12.1 9.1 2000 210 16 172 16| 4.8 0.0 4.8|143.5 0.0 143.5 71.8 0.72| 9.7 7.0 2500 219 15 178 15| 3.7 0.0 3.7|143.7 -0.0 143.7 57.5 0.68| 8.2 5.6 3000 226 14 181 13| 3.1 0.0 3.1|143.7 -0.4 143.3 47.8 0.64| 7.2 4.6 4000 237 14 188 10| 2.5 0.0 2.5|145.1 -0.4 144.8 36.2 0.65| 5.6 3.7 5000 247 14 198 9| 2.2 0.0 2.2|146.7 -0.4 146.3 29.3 0.67| 4.7 3.1 6000 256 14 209 7| 2.0 0.0 2.0|147.8 -0.4 147.4 24.6 0.66| 4.1 2.7 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251201.12.gif