UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 31 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 1019 61 -1.3 -11.3 46 10.0 -4.3 30 7 270.4 270.7 267.8 274.8 1.58 1 1000 197 0.6 -2.5 80 3.1 -0.6 65 13 273.8 274.3 272.5 282.4 3.18 2 925 822 0.6 -6.4 59 7.0 -2.0 75 9 279.9 280.4 275.2 287.2 2.56 3 850 1509 5.4 -39.6 2 45.0 -3.5 50 19 291.8 291.8 277.8 292.3 0.14 4 700 3067 -3.7 -34.7 7 31.0 -9.8 65 17 298.4 298.4 281.1 299.4 0.29 5 500 5630 -22.5 -47.5 8 25.0 -24.9 55 15 305.6 305.6 283.8 306.0 0.10 6 400 7220 -34.3 -49.3 20 15.0 -35.3 40 13 310.4 310.4 285.6 310.8 0.11 7 300 9170 -49.7 -61.7 23 12.0 -50.0 40 13 315.3 315.3 287.2 315.4 0.03 8 250 10330 -58.5 -70.5 20 12.0 -58.6 80 5 319.1 319.1 288.5 319.1 0.01 9 201 11660 -68.1 -75.1 36 7.0 -68.1 225 1 324.4 324.4 290.1 324.5 0.01 10 200 11690 -68.1 -75.1 36 7.0 -68.1 225 3 324.9 324.9 290.2 324.9 0.01 11 150 13450 -62.3 -84.3 4 22.0 -62.4 295 19 362.8 362.8 299.2 362.8 0.00 12 100 15970 -61.5 -90.5 1 29.0 -61.7 300 31 408.9 408.9 306.4 408.9 0.00 TRP 201 11660 -68.1 -75.1 36 7.0 -68.1 225 1 324.4 324.4 290.1 324.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5433.00 m Freezing level: Surface below freezing Freezing level: 1006.00 mb = 154.05 m = 505.42 ft Freezing level: 760.99 mb = 2433.53 m = 7983.92 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 17.81 % Est. max temperature: 17.07 C = 62.72 F Sfc-Lift cond lev (LCL): 870.61 mb = 1314.37 m = 4312.19 ft T: 4.04 C 700-500 lapse rate: 7.34 C/km ThetaE index: 0.00 C Layer 1019.0-55782952777075916800.0 mb Conv cond level (CCL): 617.77 mb = 4018.84 m = 13185.02 ft Mean mixing ratio: 2.74 g/kg Conv temperature: 29.70 C = 85.46 F Cap Strength: 16.20 C Lifted Index: 18.44 C Risk: None Lifted Index @300 mb: 22.35 C Lifted Index @700 mb: 16.20 C Showalter Index: 11.32 C Risk: None Total Totals Index: 10.80 C Risk: None Vertical Totals Index: 27.90 C Cross Totals Index: -17.10 C K Index: -42.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.21 J/kg Max Up Vert Vel: 6.36 m/s Conv Inhibition (B-): 16302.33 J/kg Cap Strength: 18.31 C Lift Cond Lev (LCL): 889.96 mb = 1135.76 m = 3726.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 89 at 12 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 61 30 7 -3.5 -6.1 | 306 10 8.2 -5.9 1 1000 197 65 13 -11.8 -5.5 | 1 5 -0.1 -5.3 2 925 822 75 9 -8.7 -2.3 | 306 4 3.0 -2.2 3 850 1509 50 19 -14.6 -12.2 | 14 12 -2.9 -12.0 4 700 3067 65 17 -15.4 -7.2 | 28 8 -3.8 -7.0 5 500 5630 55 15 -12.3 -8.6 | 4 8 -0.6 -8.4 6 400 7220 40 13 -8.4 -10.0 | 341 10 3.3 -9.8 7 300 9170 40 13 -8.4 -10.0 | 341 10 3.3 -9.8 8 250 10330 80 5 -4.9 -0.9 | 276 7 6.7 -0.7 9 201 11660 225 1 0.7 0.7 | 266 12 12.4 0.9 10 200 11690 225 3 2.1 2.1 | 261 14 13.8 2.3 11 150 13450 295 19 17.2 -8.0 | 285 30 28.9 -7.9 12 100 15970 300 31 26.8 -15.5 | 292 41 38.5 -15.3 Wind Parameters Mean winds (0-6000m): 59.1 at 15.5 knts Storm direction: 89.1 at 11.7 knts Shear (0-3000m) pos: 1.8 neg: 1.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 25.9 neg: -3.2 tot: 22.7 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.94 Bulk Shear: 2.55 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 64 11 342 5| 7.3 0.0 7.3| 12.7 -1.9 10.8 21.6 0.48| 11.0 5.3 1000 67 11 337 4| 3.6 1.0 4.7| 15.8 -3.2 12.6 12.6 0.44| 8.0 3.5 1500 61 13 353 6| 2.4 3.3 5.7| 19.3 -3.2 16.1 10.7 0.37| 8.0 3.0 2000 59 14 2 7| 2.1 2.5 4.6| 21.9 -3.2 18.7 9.4 0.38| 6.4 2.5 2500 58 15 7 8| 1.9 2.0 3.9| 24.1 -3.2 20.9 8.4 0.39| 5.5 2.1 3000 59 15 10 8| 1.8 1.7 3.4| 25.9 -3.2 22.7 7.6 0.40| 4.8 1.9 4000 60 16 14 8| 1.3 1.3 2.6| 25.9 -6.1 19.8 5.0 0.33| 3.8 1.3 5000 60 16 14 8| 1.1 1.0 2.1| 25.9 -8.9 17.0 3.4 0.28| 3.2 0.9 6000 59 16 12 8| 0.9 0.9 1.8| 25.9 -13.0 12.9 2.2 0.20| 2.8 0.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251231.00.gif