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 LGAT... Searching the city database file for: LGAT ... Date:1200Z 7 DEC 25 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1004 15 16.2 10.2 68 6.0 12.7 0 0 289.0 290.4 285.7 311.0 7.80 1 974 281 13.2 10.5 84 2.7 11.6 355 13 288.5 290.0 285.9 311.6 8.20 2 948 517 11.0 9.9 93 1.1 10.4 6 14 288.5 289.9 285.8 311.3 8.10 3 925 729 10.4 8.0 85 2.4 9.0 15 16 289.9 291.2 285.5 310.6 7.29 4 906 902 9.4 7.4 87 2.0 8.3 22 16 290.6 291.9 285.7 311.0 7.14 5 864 1293 5.8 5.8 100 0.0 5.8 39 14 290.9 292.0 285.3 310.0 6.70 6 850 1427 4.8 4.8 100 0.0 4.8 45 14 291.2 292.3 285.1 309.4 6.35 7 782 2103 0.6 0.5 99 0.1 0.5 36 9 293.7 294.6 284.8 308.5 5.07 8 700 2986 -3.9 -5.6 88 1.7 -4.6 25 3 298.2 298.8 284.9 309.0 3.60 9 647 3602 -8.3 -9.0 95 0.7 -8.6 300.0 300.5 285.0 309.1 2.99 10 599 4196 -11.9 -13.7 86 1.8 -12.5 302.5 302.9 285.1 309.4 2.21 11 514 5349 -19.7 -21.6 85 1.9 -20.1 306.6 306.8 285.7 310.9 1.32 TRP WND Sounding variables and indices Freezing level: 771.07 mb = 2220.46 m = 7284.90 ft Wetbulb zero: 773.30 mb = 2191.91 m = 7191.20 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 90.64 % Est. max temperature: 18.27 C = 64.88 F Sfc-Lift cond lev (LCL): 917.83 mb = 793.74 m = 2604.12 ft T: 10.03 C ThetaE index: 2.48 C Layer 864.0- 700.0 mb Conv cond level (CCL): 895.17 mb = 1000.87 m = 3283.67 ft Mean mixing ratio: 7.79 g/kg Conv temperature: 17.88 C = 64.19 F Cap Strength: 1.09 C Lifted Index @700 mb: -0.35 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 92.59 J/kg Max Up Vert Vel: 13.61 m/s Conv Inhibition (B-): 11.38 J/kg Cap Strength: 1.09 C Lift Cond Lev (LCL): 915.96 mb = 810.72 m = 2659.81 ft Lev Free Conv (LFC): 870.96 mb = 1227.13 m = 4025.98 ft Equ Level (EL): 530.96 mb = 5104.72 m = 16747.56 ft B at Equ Level: 92.06 J/kg Wind level data Storm motion: 58 at 8 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 1004 15 0 0 -0.0 -0.0 | 238 8 7.1 4.5 1 1000 0 345 11 2.8 -10.6 | 302 12 9.9 -6.2 2 925 729 15 16 -4.1 -15.5 | 345 11 2.9 -11.0 3 850 1427 45 14 -9.9 -9.9 | 28 6 -2.8 -5.4 4 700 2986 25 3 -1.3 -2.7 | 253 6 5.8 1.7 Wind Parameters Mean winds (0-6000m): 27.7 at 11.1 knts Storm direction: 57.7 at 8.4 knts Shear (0-3000m) pos: 2.5 neg: 1.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -49.4 deg Storm rel helicity (0-3000m) pos: 39.6 neg: -10.1 tot: 29.5 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 18.27 Bulk Shear: 5.07 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 ------------------------------------------------------------------------------- 500 359 13 319 11| 5.9 0.0 5.9| 17.5 0.0 17.5 34.9 1.00| 5.9 5.9 1000 9 14 333 11| 5.2 0.0 5.2| 32.5 0.0 32.5 32.5 0.93| 6.1 5.7 1500 19 14 345 9| 4.1 0.0 4.1| 39.6 -0.6 39.0 26.0 0.83| 5.9 4.9 2000 24 14 349 8| 3.1 1.0 4.1| 39.6 -4.1 35.5 17.7 0.53| 5.4 2.9 2500 26 12 347 7| 2.5 1.5 4.0| 39.6 -7.3 32.2 12.9 0.31| 5.0 1.6 3000 NO DATA | 2.5 1.5 4.0| | 4000 NO DATA | 2.5 1.5 4.0| | 5000 NO DATA | 2.5 1.5 4.0| | 6000 NO DATA | 2.5 1.5 4.0| | Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251207.12.gif