UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 16 APR 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 61 SFC 986 181 29.0 23.0 70 6.0 24.6 40 6 303.4 306.7 298.2 357.5 18.22 2 958 439 26.4 21.6 75 4.8 22.9 358 5 303.2 306.4 297.5 354.3 17.20 3 950 514 26.8 20.8 70 6.0 22.5 346 5 304.4 307.4 297.4 353.5 16.49 4 925 752 26.0 20.0 70 6.0 21.7 295 5 305.9 308.9 297.5 354.2 16.11 5 850 1493 20.2 18.6 91 1.6 19.1 210 5 307.3 310.3 297.8 355.8 16.07 6 787 2150 15.8 14.8 94 1.0 15.1 309.4 312.0 296.8 350.7 13.58 TRP WND Sounding variables and indices Precipitable water: 1.24 inches Sfc-500 mean rel hum: 81.69 % Est. max temperature: 33.38 C = 92.09 F Sfc-Lift cond lev (LCL): 904.16 mb = 951.69 m = 3122.32 ft T: 24.44 C ThetaE index: 5.05 C Layer 787.0- 1.9 mb Conv cond level (CCL): 828.96 mb = 1706.76 m = 5599.55 ft Mean mixing ratio: 16.64 g/kg Conv temperature: 33.62 C = 92.51 F Cap Strength: 1.94 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.91 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 48.81 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 865.33 mb = 1336.35 m = 4384.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 197 at 7 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 ---------------------------------------------------------- 0 986 181 40 6 -3.9 -4.6 | 28 12 -5.7 -10.9 1 940 610 330 5 2.5 -4.3 | 357 11 0.6 -10.6 2 925 752 295 5 4.5 -2.1 | 343 9 2.7 -8.4 3 908 914 275 5 5.0 -0.4 | 335 7 3.1 -6.7 4 850 1493 210 5 2.5 4.3 | 343 2 0.6 -2.0 5 847 1524 210 5 2.5 4.3 | 343 2 0.6 -2.0 6 789 2134 140 28 -18.0 21.4 | 127 25 -19.9 15.1 Wind Parameters Mean winds (0-6000m): 166.6 at 8.8 knts Storm direction: 196.6 at 6.6 knts Shear (0-3000m) pos: 0.0 neg: 5.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 99.5 deg Storm rel helicity (0-3000m) pos: 0.5 neg: -73.1 tot: -72.7 m^2/s^2 ave: -38.2 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 12.4 stream: -7.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 26.25 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 2 5 10 12| 0.0 7.9 7.9| 0.0 -23.7 -23.7 -47.3 -0.93| 8.5 -8.0 1000 316 5 350 10| 0.0 5.5 5.5| 0.0 -30.0 -30.0 -30.0 -0.76| 7.3 -5.5 1500 271 5 331 7| 0.0 5.6 5.6| 0.5 -31.7 -31.2 -20.8 -0.64| 8.4 -5.4 2000 NO DATA | 0.0 5.6 5.6| | 2500 NO DATA | 0.0 5.6 5.6| | 3000 NO DATA | 0.0 5.6 5.6| | 4000 NO DATA | 0.0 5.6 5.6| | 5000 NO DATA | 0.0 5.6 5.6| | 6000 NO DATA | 0.0 5.6 5.6| | Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250416.12.gif