UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 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 1013 61 16.0 13.8 87 2.2 14.7 265 15 288.1 289.8 287.3 315.5 9.83 1 1000 158 16.2 13.3 83 2.9 14.4 265 15 289.4 291.0 287.6 316.4 9.64 2 925 816 11.8 7.7 76 4.1 9.5 285 25 291.4 292.6 285.9 311.8 7.14 3 850 1517 7.0 7.0 100 0.0 7.0 225 19 293.5 294.8 287.0 314.8 7.41 4 700 3096 1.6 -24.4 12 26.0 -5.7 270 35 304.3 304.4 284.1 306.8 0.76 5 500 5710 -16.1 -16.5 97 0.4 -16.2 275 36 313.4 313.8 288.8 320.3 2.10 6 400 7360 -25.5 -32.5 52 7.0 -26.6 260 21 321.8 322.0 290.0 324.1 0.62 7 300 9370 -43.1 -54.1 29 11.0 -43.6 295 23 324.6 324.6 290.2 324.9 0.08 8 250 10570 -53.7 -65.7 22 12.0 -53.9 290 29 326.2 326.2 290.6 326.3 0.02 9 200 11970 -65.7 -73.7 32 8.0 -65.8 270 42 328.7 328.7 291.3 328.8 0.01 10 174 12798 -71.7 -80.7 25 9.0 -71.7 280 40 332.2 332.2 292.3 332.2 0.00 11 150 13670 -70.7 -78.7 30 8.0 -70.8 280 27 348.3 348.3 296.3 348.3 0.01 12 100 16110 -65.7 -89.7 2 24.0 -65.8 285 25 400.8 400.8 305.3 400.8 0.00 TRP 174 12798 -71.7 -80.7 25 9.0 -71.7 280 40 332.2 332.2 292.3 332.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5552.00 m Freezing level: 681.92 mb = 3332.29 m = 10932.59 ft Wetbulb zero: 767.51 mb = 2347.23 m = 7700.80 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 62.32 % Est. max temperature: 21.04 C = 69.87 F Sfc-Lift cond lev (LCL): 980.39 mb = 325.11 m = 1066.64 ft T: 15.08 C 700-500 lapse rate: 6.77 C/km ThetaE index: 8.03 C Layer 700.0- 500.0 mb Conv cond level (CCL): 887.65 mb = 1157.72 m = 3798.26 ft Mean mixing ratio: 8.40 g/kg Conv temperature: 20.34 C = 68.62 F Cap Strength: 3.75 C Lifted Index: 3.68 C Risk: None Lifted Index @300 mb: 7.80 C Lifted Index @700 mb: 3.75 C Showalter Index: 3.27 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 23.10 C K Index: 4.10 Risk: None Sweat Index: 278.76 Risk: None Energy Index: 1.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.24 J/kg Max Up Vert Vel: 3.24 m/s Conv Inhibition (B-): 6613.02 J/kg Cap Strength: 3.72 C Lift Cond Lev (LCL): 915.68 mb = 899.91 m = 2952.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 22 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 61 265 15 14.9 1.3 | 158 13 -4.8 11.7 1 1000 158 265 15 14.9 1.3 | 158 13 -4.8 11.7 2 925 816 285 25 24.1 -6.5 | 228 6 4.4 4.0 3 850 1517 225 19 13.4 13.4 | 165 25 -6.3 23.9 4 700 3096 270 35 35.0 -0.0 | 236 18 15.3 10.4 5 500 5710 275 36 35.9 -3.1 | 246 18 16.1 7.3 6 400 7360 260 21 20.7 3.6 | 184 14 1.0 14.1 7 300 9370 295 23 20.8 -9.7 | 238 1 1.1 0.7 8 250 10570 290 29 27.3 -9.9 | 266 8 7.5 0.5 9 200 11970 270 42 42.0 -0.0 | 245 25 22.3 10.4 10 174 12798 280 40 39.4 -6.9 | 260 20 19.7 3.5 11 150 13670 280 27 26.6 -4.7 | 230 9 6.9 5.7 12 100 16110 285 25 24.1 -6.5 | 228 6 4.4 4.0 Wind Parameters Mean winds (0-6000m): 267.9 at 29.7 knts Storm direction: 297.9 at 22.3 knts Shear (0-3000m) pos: 5.4 neg: 3.0 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 75.7 deg Storm rel helicity (0-3000m) pos: 158.6 neg: -54.4 tot: 104.2 m^2/s^2 ave: 34.7 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 20.34 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 ------------------------------------------------------------------------------- 500 271 17 167 10| 7.4 0.0 7.4| 14.4 0.0 14.4 28.9 0.75| 7.5 5.6 1000 276 20 184 8| 3.7 2.8 6.5| 20.7 -11.0 9.8 9.8 0.24| 10.0 2.4 1500 267 21 184 12| 2.5 6.0 8.5| 20.7 -54.4 -33.6 -22.4 -0.12| 11.6 -1.4 2000 258 21 183 15| 3.7 4.5 8.2| 65.6 -54.4 11.2 5.6 0.08| 10.6 0.8 2500 256 22 187 16| 4.7 3.6 8.3|111.3 -54.4 56.9 22.8 0.23| 10.2 2.3 3000 260 24 194 15| 5.4 3.0 8.4|158.6 -54.4 104.2 34.7 0.35| 10.1 3.5 4000 264 27 206 15| 4.2 2.3 6.5|167.6 -54.4 113.3 28.3 0.37| 7.9 2.9 5000 266 28 215 15| 3.5 1.8 5.3|173.4 -54.4 119.0 23.8 0.38| 6.4 2.4 6000 268 30 221 15| 3.0 1.8 4.7|176.9 -69.1 107.8 18.0 0.32| 5.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251207.12.gif