UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 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 1015 61 2.4 0.9 90 1.5 1.8 50 11 274.4 275.1 274.2 285.3 4.02 1 1000 173 3.4 1.4 87 2.0 2.5 65 9 276.5 277.3 275.7 288.1 4.23 2 925 820 8.8 4.5 74 4.3 6.6 145 11 288.3 289.3 283.2 304.5 5.71 3 850 1516 5.8 -1.2 61 7.0 2.5 125 17 292.2 293.0 283.1 304.3 4.12 4 700 3082 -2.1 -23.1 18 21.0 -7.8 115 21 300.2 300.3 282.5 302.9 0.85 5 500 5650 -21.1 -47.1 8 26.0 -23.8 130 40 307.3 307.3 284.5 307.7 0.11 6 400 7250 -34.7 -45.7 32 11.0 -35.5 120 48 309.9 309.9 285.5 310.5 0.16 7 300 9190 -50.1 -57.1 43 7.0 -50.3 130 60 314.7 314.7 287.1 315.0 0.06 8 250 10360 -57.1 -66.1 31 9.0 -57.2 125 71 321.2 321.2 289.1 321.3 0.02 9 226 10992 -60.8 -69.8 30 9.0 -60.9 125 71 324.9 324.9 290.3 325.0 0.01 10 218 11216 -62.1 -71.1 29 9.0 -62.2 125 69 326.3 326.3 290.7 326.3 0.01 11 200 11750 -60.3 -75.3 12 15.0 -60.4 130 42 337.3 337.3 293.6 337.3 0.01 12 150 13560 -58.1 -88.1 1 30.0 -58.3 125 7 370.0 370.0 300.5 370.0 0.00 13 100 16100 -59.9 -88.9 1 29.0 -60.2 330 3 412.0 412.0 306.7 412.0 0.00 TRP 218 11216 -62.1 -71.1 29 9.0 -62.2 125 69 326.3 326.3 290.7 326.3 0.01 WND 226 10992 -60.8 -69.8 30 9.0 -60.9 125 71 324.9 324.9 290.3 325.0 0.01 Sounding variables and indices 1000-500 mb thick: 5477.00 m Freezing level: 739.87 mb = 2665.72 m = 8745.70 ft Wetbulb zero: 813.06 mb = 1874.32 m = 6149.27 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 35.79 % Est. max temperature: 19.50 C = 67.11 F Sfc-Lift cond lev (LCL): 991.57 mb = 243.27 m = 798.12 ft T: 3.99 C 700-500 lapse rate: 7.40 C/km ThetaE index: 1.60 C Layer 850.0- 500.0 mb Conv cond level (CCL): 1000.00 mb = 173.00 m = 567.58 ft Mean mixing ratio: 4.91 g/kg Conv temperature: 4.66 C = 40.39 F Cap Strength: 9.83 C Lifted Index: 10.90 C Risk: None Lifted Index @300 mb: 13.54 C Lifted Index @700 mb: 9.83 C Showalter Index: 4.95 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 19.90 C K Index: 4.70 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 0.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.33 J/kg Max Up Vert Vel: 7.26 m/s Conv Inhibition (B-): 14318.50 J/kg Cap Strength: 10.92 C Lift Cond Lev (LCL): 920.40 mb = 861.07 m = 2825.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 154 at 18 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 1015 61 50 11 -8.4 -7.1 | 1 23 -0.5 -23.2 1 1000 173 65 9 -8.2 -3.8 | 1 20 -0.2 -19.9 2 925 820 145 11 -6.3 9.0 | 347 7 1.6 -7.1 3 850 1516 125 17 -13.9 9.8 | 43 9 -6.0 -6.4 4 700 3082 115 21 -19.0 8.9 | 57 13 -11.1 -7.2 5 500 5650 130 40 -30.6 25.7 | 113 25 -22.7 9.6 6 400 7250 120 48 -41.6 24.0 | 103 35 -33.6 7.9 7 300 9190 130 60 -46.0 38.6 | 121 44 -38.0 22.4 8 250 10360 125 71 -58.2 40.7 | 116 56 -50.2 24.6 9 226 10992 125 71 -58.2 40.7 | 116 56 -50.2 24.6 10 218 11216 125 69 -56.5 39.6 | 116 54 -48.6 23.5 11 200 11750 130 42 -32.2 27.0 | 114 27 -24.2 10.9 12 150 13560 125 7 -5.7 4.0 | 350 12 2.2 -12.1 13 100 16100 330 3 1.5 -2.6 | 333 21 9.4 -18.7 Wind Parameters Mean winds (0-6000m): 123.8 at 24.0 knts Storm direction: 153.8 at 18.0 knts Shear (0-3000m) pos: 2.9 neg: 1.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 55.6 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -7.4 tot: 20.5 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.62 Bulk Shear: 42.76 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 82 10 5 18| 11.4 0.0 11.4| 9.1 -1.0 8.1 16.2 0.15| 11.6 1.8 1000 113 10 8 12| 8.6 0.0 8.6| 12.7 -7.4 5.3 5.3 0.06| 9.9 0.6 1500 121 12 14 10| 5.8 1.8 7.6| 21.3 -7.4 13.9 9.3 0.23| 8.5 1.9 2000 122 13 21 10| 4.3 1.8 6.1| 23.8 -7.4 16.4 8.2 0.25| 6.8 1.7 2500 121 15 28 10| 3.5 1.8 5.2| 26.0 -7.4 18.6 7.4 0.27| 5.8 1.5 3000 120 16 34 10| 2.9 1.8 4.6| 27.9 -7.4 20.5 6.8 0.27| 5.1 1.4 4000 119 18 45 11| 3.0 1.3 4.3| 54.8 -7.4 47.4 11.8 0.40| 4.8 1.9 5000 121 21 61 11| 3.2 1.1 4.2| 86.7 -7.4 79.3 15.9 0.47| 4.7 2.2 6000 124 24 77 12| 3.0 1.1 4.1|108.4 -15.1 93.3 15.6 0.45| 4.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251229.00.gif