UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 29 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 1016 61 5.8 1.5 74 4.3 3.9 115 1 277.7 278.4 276.2 289.2 4.19 1 1000 178 4.8 3.7 93 1.1 4.3 115 1 278.0 278.8 277.4 291.6 4.99 2 925 822 7.6 3.8 77 3.8 5.7 140 7 287.1 288.0 282.4 302.5 5.43 3 850 1517 5.2 -1.8 61 7.0 2.0 125 7 291.6 292.3 282.6 303.1 3.94 4 700 3080 -1.5 -26.5 13 25.0 -7.8 125 19 300.8 300.9 282.5 302.9 0.63 5 500 5640 -22.7 -34.7 33 12.0 -24.4 115 40 305.4 305.4 284.1 306.7 0.40 6 400 7230 -36.1 -49.1 25 13.0 -36.9 125 42 308.1 308.1 284.7 308.5 0.11 7 300 9170 -50.1 -69.1 9 19.0 -50.4 135 48 314.7 314.7 287.0 314.8 0.01 8 253 10265 -57.4 -73.6 11 16.2 -57.5 130 62 319.7 319.7 288.6 319.7 0.01 9 250 10340 -57.9 -73.9 11 16.0 -58.0 135 62 320.0 320.0 288.8 320.0 0.01 10 214 11309 -61.9 -72.9 22 11.0 -62.0 120 50 328.3 328.3 291.2 328.4 0.01 11 200 11730 -59.1 -75.1 11 16.0 -59.3 135 36 339.2 339.2 294.1 339.2 0.01 12 150 13530 -58.5 -88.5 1 30.0 -58.7 175 13 369.3 369.3 300.4 369.3 0.00 13 100 16070 -60.9 -89.9 1 29.0 -61.2 300 13 410.1 410.1 306.5 410.1 0.00 TRP 214 11309 -61.9 -72.9 22 11.0 -62.0 120 50 328.3 328.3 291.2 328.4 0.01 WND 253 10265 -57.4 -73.6 11 16.2 -57.5 130 62 319.7 319.7 288.6 319.7 0.01 Sounding variables and indices 1000-500 mb thick: 5462.00 m Freezing level: 733.58 mb = 2730.07 m = 8956.83 ft Wetbulb zero: 819.25 mb = 1813.63 m = 5950.15 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 40.21 % Est. max temperature: 18.77 C = 65.78 F Sfc-Lift cond lev (LCL): 950.99 mb = 593.12 m = 1945.91 ft T: 6.60 C 700-500 lapse rate: 8.28 C/km ThetaE index: 0.20 C Layer 700.0- 500.0 mb Conv cond level (CCL): 720.51 mb = 2847.54 m = 9342.22 ft Mean mixing ratio: 5.13 g/kg Conv temperature: 27.66 C = 81.79 F Cap Strength: 9.99 C Lifted Index: 8.75 C Risk: None Lifted Index @300 mb: 12.99 C Lifted Index @700 mb: 9.99 C Showalter Index: 4.12 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 20.90 C K Index: 1.10 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.30 J/kg Max Up Vert Vel: 6.05 m/s Conv Inhibition (B-): 12763.96 J/kg Cap Strength: 9.96 C Lift Cond Lev (LCL): 926.37 mb = 809.79 m = 2656.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 150 at 15 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 1016 61 115 1 -0.9 0.4 | 332 14 6.7 -12.8 1 1000 178 115 1 -0.9 0.4 | 332 14 6.7 -12.8 2 925 822 140 7 -4.5 5.4 | 338 8 3.2 -7.9 3 850 1517 125 7 -5.7 4.0 | 348 9 1.9 -9.2 4 700 3080 125 19 -15.6 10.9 | 74 8 -7.9 -2.3 5 500 5640 115 40 -36.3 16.9 | 97 29 -28.6 3.7 6 400 7230 125 42 -34.4 24.1 | 112 29 -26.8 10.9 7 300 9170 135 48 -33.9 33.9 | 128 33 -26.3 20.7 8 253 10265 130 62 -47.5 39.9 | 124 48 -39.8 26.6 9 250 10340 135 62 -43.8 43.8 | 130 47 -36.2 30.6 10 214 11309 120 50 -43.3 25.0 | 108 38 -35.6 11.8 11 200 11730 135 36 -25.5 25.5 | 124 22 -17.8 12.2 12 150 13530 175 13 -1.1 13.0 | 272 7 6.5 -0.3 13 100 16070 300 13 11.3 -6.5 | 316 27 18.9 -19.7 Wind Parameters Mean winds (0-6000m): 120.0 at 20.4 knts Storm direction: 150.0 at 15.3 knts Shear (0-3000m) pos: 1.0 neg: 2.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 100.5 deg Storm rel helicity (0-3000m) pos: 28.7 neg: -0.0 tot: 28.6 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 43.21 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 ------------------------------------------------------------------------------- 500 126 2 334 13| 3.7 0.0 3.7| 4.6 0.0 4.6 9.2 0.37| 3.8 1.4 1000 136 4 335 11| 3.1 0.0 3.1| 6.1 -0.0 6.1 6.1 0.29| 3.5 1.0 1500 133 5 338 10| 2.1 0.4 2.5| 9.0 -0.0 9.0 6.0 0.38| 2.8 1.1 2000 130 6 342 10| 1.6 1.1 2.7| 15.5 -0.0 15.5 7.8 0.52| 3.1 1.6 2500 128 8 349 9| 1.2 1.7 2.9| 22.1 -0.0 22.1 8.8 0.63| 3.3 2.1 3000 127 9 357 8| 1.0 2.1 3.1| 28.7 -0.0 28.6 9.5 0.68| 3.4 2.3 4000 125 13 23 7| 0.8 2.6 3.4| 39.7 -0.0 39.7 9.9 0.62| 3.6 2.2 5000 122 16 55 8| 0.6 2.9 3.6| 46.4 -0.0 46.4 9.3 0.51| 3.8 1.9 6000 120 20 73 10| 0.7 2.8 3.5| 62.0 -0.0 62.0 10.3 0.48| 3.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251229.12.gif