UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 7 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 1011 61 12.6 11.5 93 1.1 12.0 225 11 284.9 286.3 284.7 308.2 8.45 1 1000 144 12.0 11.0 94 1.0 11.4 225 13 285.1 286.6 284.6 308.0 8.26 2 925 795 10.2 9.8 97 0.4 10.0 255 23 289.7 291.2 286.4 313.0 8.24 3 850 1496 7.6 7.1 97 0.5 7.3 280 36 294.1 295.4 287.3 315.6 7.46 4 700 3071 -0.7 -17.7 26 17.0 -6.1 290 42 301.7 302.0 283.8 306.0 1.36 5 500 5680 -16.5 -17.3 94 0.8 -16.7 295 48 312.9 313.3 288.5 319.4 1.97 6 400 7320 -28.1 -28.7 95 0.6 -28.2 290 46 318.5 318.6 289.2 321.6 0.89 7 300 9320 -44.3 -48.9 60 4.6 -44.5 295 52 322.9 322.9 289.8 323.5 0.15 8 250 10510 -55.3 -62.3 41 7.0 -55.4 300 50 323.9 323.9 290.0 324.0 0.04 9 200 11890 -66.7 -71.5 51 4.8 -66.7 305 68 327.1 327.1 290.9 327.2 0.01 10 189 12230 -69.5 -74.3 50 4.8 -69.5 305 71 328.0 328.0 291.2 328.1 0.01 11 182 12454 -71.3 -76.1 49 4.8 -71.3 305 68 328.6 328.6 291.3 328.6 0.01 12 150 13610 -66.9 -73.9 37 7.0 -67.0 290 40 354.8 354.8 297.7 354.9 0.01 13 100 16070 -64.9 -80.9 9 16.0 -65.0 295 40 402.3 402.3 305.5 402.4 0.01 TRP 182 12454 -71.3 -76.1 49 4.8 -71.3 305 68 328.6 328.6 291.3 328.6 0.01 WND 189 12230 -69.5 -74.3 50 4.8 -69.5 305 71 328.0 328.0 291.2 328.1 0.01 Sounding variables and indices 1000-500 mb thick: 5536.00 m Freezing level: 712.65 mb = 2938.17 m = 9639.54 ft Wetbulb zero: 768.26 mb = 2316.21 m = 7599.02 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 69.24 % Est. max temperature: 21.21 C = 70.18 F Sfc-Lift cond lev (LCL): 994.57 mb = 189.49 m = 621.68 ft T: 11.87 C 700-500 lapse rate: 6.06 C/km ThetaE index: 9.59 C Layer 700.0- 500.0 mb Conv cond level (CCL): 902.73 mb = 996.99 m = 3270.94 ft Mean mixing ratio: 8.25 g/kg Conv temperature: 18.76 C = 65.76 F Cap Strength: 3.09 C Lifted Index: 5.39 C Risk: None Lifted Index @300 mb: 8.91 C Lifted Index @700 mb: 3.09 C Showalter Index: 2.41 C Risk: Showers probable Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 23.60 C K Index: 14.20 Risk: None Sweat Index: 205.20 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.01 J/kg Max Up Vert Vel: 6.48 m/s Conv Inhibition (B-): 7131.53 J/kg Cap Strength: 5.18 C Lift Cond Lev (LCL): 949.67 mb = 575.24 m = 1887.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 29 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 1011 61 225 11 7.8 7.8 | 157 31 -12.1 28.8 1 1000 144 225 13 9.2 9.2 | 161 32 -10.7 30.3 2 925 795 255 23 22.2 6.0 | 185 27 2.3 27.0 3 850 1496 280 36 35.5 -6.3 | 226 21 15.6 14.8 4 700 3071 290 42 39.5 -14.4 | 251 21 19.6 6.7 5 500 5680 295 48 43.5 -20.3 | 268 24 23.6 0.8 6 400 7320 290 46 43.2 -15.7 | 257 24 23.4 5.3 7 300 9320 295 52 47.1 -22.0 | 272 27 27.3 -0.9 8 250 10510 300 50 43.3 -25.0 | 280 24 23.4 -3.9 9 200 11890 305 68 55.7 -39.0 | 297 40 35.8 -17.9 10 189 12230 305 71 58.2 -40.7 | 297 43 38.3 -19.7 11 182 12454 305 68 55.7 -39.0 | 297 40 35.8 -17.9 12 150 13610 290 40 37.6 -13.7 | 247 19 17.7 7.4 13 100 16070 295 40 36.3 -16.9 | 256 17 16.4 4.2 Wind Parameters Mean winds (0-6000m): 286.7 at 38.6 knts Storm direction: 316.7 at 29.0 knts Shear (0-3000m) pos: 6.6 neg: 0.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 93.7 deg Storm rel helicity (0-3000m) pos: 278.0 neg: 0.0 tot: 278.0 m^2/s^2 ave: 92.7 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 7.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.16 Bulk Shear: 131.12 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 ------------------------------------------------------------------------------- 500 235 15 166 31| 10.0 0.0 10.0| 80.9 0.0 80.9 161.8 0.95| 10.7 10.1 1000 249 19 176 28| 10.6 0.0 10.6|159.1 0.0 159.1 159.1 0.93| 11.4 10.7 1500 261 24 188 25| 10.7 0.0 10.7|230.2 0.0 230.2 153.5 0.94| 11.8 11.1 2000 268 27 198 23| 8.7 0.0 8.7|245.9 0.0 245.9 122.9 0.95| 9.6 9.0 2500 273 29 206 22| 7.4 0.0 7.4|261.7 0.0 261.7 104.7 0.95| 8.3 7.8 3000 277 32 213 21| 6.6 0.0 6.6|278.0 0.0 278.0 92.7 0.95| 7.4 7.0 4000 281 34 224 20| 5.3 0.0 5.3|292.3 0.0 292.3 73.1 0.95| 5.9 5.6 5000 284 37 233 20| 4.5 0.0 4.5|307.1 0.0 307.1 61.4 0.95| 5.0 4.7 6000 287 39 240 20| 3.9 0.1 3.9|316.2 -6.4 309.8 51.6 0.91| 4.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251207.00.gif