UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 24 DEC 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1012 103 6.0 0.0 65 6.0 3.4 60 23 278.2 278.8 275.9 288.6 3.77 1 1000 191 6.2 1.9 74 4.3 4.2 60 27 279.4 280.1 277.4 291.4 4.38 2 925 823 0.0 -0.2 99 0.2 -0.1 70 33 279.3 280.0 276.9 290.6 4.07 3 850 1513 6.6 -27.4 7 34.0 -2.2 80 33 293.1 293.1 278.9 294.6 0.47 4 700 3073 -4.3 -23.3 21 19.0 -9.2 55 35 297.7 297.9 281.5 300.4 0.84 5 500 5640 -23.1 -29.1 58 6.0 -24.1 40 31 304.9 305.0 284.2 307.2 0.69 6 400 7230 -36.5 -43.5 48 7.0 -37.0 30 29 307.6 307.6 284.7 308.3 0.20 7 300 9150 -51.7 -62.7 26 11.0 -51.9 30 40 312.5 312.5 286.2 312.6 0.03 8 250 10310 -60.7 -70.7 26 10.0 -60.8 10 38 315.8 315.8 287.3 315.9 0.01 9 221 11072 -64.1 -75.1 21 11.0 -64.1 25 35 321.9 321.9 289.3 322.0 0.01 10 200 11690 -60.1 -74.1 14 14.0 -60.2 25 42 337.6 337.6 293.7 337.6 0.01 11 150 13500 -56.1 -87.1 1 31.0 -56.4 35 38 373.4 373.4 301.2 373.4 0.00 12 100 16090 -56.5 -87.5 1 31.0 -56.9 25 31 418.6 418.6 307.6 418.6 0.00 TRP 221 11072 -64.1 -75.1 21 11.0 -64.1 25 35 321.9 321.9 289.3 322.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 759.17 mb = 2457.59 m = 8062.85 ft Wetbulb zero: 926.69 mb = 808.25 m = 2651.70 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 39.71 % Est. max temperature: 18.59 C = 65.46 F Sfc-Lift cond lev (LCL): 922.79 mb = 842.48 m = 2764.00 ft T: 0.19 C 700-500 lapse rate: 7.32 C/km ThetaE index: 0.87 C Layer 925.0- 850.0 mb Conv cond level (CCL): 707.32 mb = 2989.37 m = 9807.52 ft Mean mixing ratio: 4.11 g/kg Conv temperature: 25.35 C = 77.63 F Cap Strength: 10.95 C Lifted Index: 12.51 C Risk: None Lifted Index @300 mb: 15.43 C Lifted Index @700 mb: 10.80 C Showalter Index: 9.69 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 29.70 C Cross Totals Index: -4.30 C K Index: -16.70 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 2.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.92 J/kg Max Up Vert Vel: 2.80 m/s Conv Inhibition (B-): 15549.65 J/kg Cap Strength: 12.47 C Lift Cond Lev (LCL): 922.32 mb = 846.68 m = 2777.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 at 24 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 1012 103 60 23 -19.9 -11.5 | 336 11 4.5 -10.3 1 1000 191 60 27 -23.4 -13.5 | 355 12 1.1 -12.3 2 925 823 70 33 -31.0 -11.3 | 33 12 -6.6 -10.0 3 850 1513 80 33 -32.5 -5.7 | 61 9 -8.0 -4.5 4 700 3073 55 35 -28.7 -20.1 | 13 19 -4.2 -18.8 5 500 5640 40 31 -19.9 -23.7 | 349 23 4.5 -22.5 6 400 7230 30 29 -14.5 -25.1 | 337 26 10.0 -23.9 7 300 9150 30 40 -20.0 -34.6 | 352 34 4.5 -33.4 8 250 10310 10 38 -6.6 -37.4 | 334 40 17.9 -36.2 9 221 11072 25 35 -14.8 -31.7 | 342 32 9.7 -30.5 10 200 11690 25 42 -17.7 -38.1 | 350 37 6.7 -36.8 11 150 13500 35 38 -21.8 -31.1 | 355 30 2.7 -29.9 12 100 16090 25 31 -13.1 -28.1 | 337 29 11.4 -26.9 Wind Parameters Mean winds (0-6000m): 57.1 at 32.6 knts Storm direction: 87.1 at 24.5 knts Shear (0-3000m) pos: 2.3 neg: 2.4 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 36.1 deg Storm rel helicity (0-3000m) pos: 50.2 neg: -39.8 tot: 10.4 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.01 Bulk Shear: 3.86 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 63 28 3 12| 8.7 0.0 8.7| 27.7 0.0 27.7 55.4 0.98| 9.4 9.2 1000 67 30 18 11| 6.2 0.0 6.2| 42.3 0.0 42.3 42.3 0.96| 7.3 7.0 1500 71 31 29 10| 4.6 0.0 4.6| 50.2 -1.6 48.5 32.4 0.88| 6.3 5.5 2000 72 32 33 10| 3.5 1.2 4.7| 50.2 -12.6 37.6 18.8 0.53| 5.9 3.2 2500 71 32 32 11| 2.8 2.0 4.7| 50.2 -25.2 25.0 10.0 0.32| 5.7 1.8 3000 68 33 29 12| 2.3 2.4 4.7| 50.2 -39.8 10.4 3.5 0.18| 5.6 1.0 4000 64 33 22 14| 1.7 2.2 3.9| 50.2 -58.7 -8.5 -2.1 0.06| 4.7 0.3 5000 60 33 16 16| 1.4 2.0 3.4| 50.2 -77.7 -27.6 -5.5 -0.03| 4.1 -0.1 6000 57 33 10 17| 1.2 1.9 3.1| 50.2 -96.9 -46.7 -7.8 -0.10| 3.7 -0.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251224.12.gif