UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 26 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 54 SFC 985 181 30.0 22.0 62 8.0 24.2 230 2 304.5 307.6 297.8 355.6 17.14 2 970 320 29.2 19.2 55 10.0 22.1 230 6 305.0 307.7 296.3 348.6 14.59 3 958 433 31.4 17.4 43 14.0 21.6 230 8 308.3 310.8 296.2 348.2 13.16 4 925 751 28.8 17.8 51 11.0 21.0 230 13 308.8 311.4 296.9 351.2 14.00 5 850 1498 22.6 17.6 73 5.0 19.1 180 5 309.8 312.7 297.8 355.7 15.07 6 775 2296 15.8 15.6 99 0.2 15.7 114 4 310.8 313.6 297.7 355.2 14.54 7 700 3156 10.6 7.6 82 3.0 8.8 30 7 314.2 316.0 295.1 343.5 9.40 8 611 4271 3.2 0.0 79 3.2 1.4 318.2 319.4 293.9 338.2 6.28 TRP WND Sounding variables and indices Precipitable water: 1.83 inches Sfc-500 mean rel hum: 76.50 % Est. max temperature: 35.54 C = 95.96 F Sfc-Lift cond lev (LCL): 877.50 mb = 1216.74 m = 3991.88 ft T: 24.93 C ThetaE index: 17.52 C Layer 775.0- 1.8 mb Conv cond level (CCL): 763.87 mb = 2417.96 m = 7932.85 ft Mean mixing ratio: 14.23 g/kg Conv temperature: 36.79 C = 98.23 F Cap Strength: 2.35 C Lifted Index @700 mb: -0.26 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.90 J/kg Max Up Vert Vel: 11.31 m/s Conv Inhibition (B-): 102.00 J/kg Cap Strength: 2.35 C Lift Cond Lev (LCL): 800.14 mb = 2019.99 m = 6627.20 ft Lev Free Conv (LFC): 705.14 mb = 3094.16 m = 10151.33 ft Wind level data Storm motion: 227 at 5 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 ---------------------------------------------------------- 0 985 181 230 2 1.5 1.3 | 45 3 -2.0 -2.0 1 940 610 230 13 10.0 8.4 | 232 8 6.4 5.0 2 925 751 230 13 10.0 8.4 | 232 8 6.4 5.0 3 908 914 225 10 7.1 7.1 | 223 5 3.5 3.7 4 850 1498 180 5 0.0 5.0 | 115 4 -3.6 1.7 5 847 1524 180 5 0.0 5.0 | 115 4 -3.6 1.7 6 789 2134 130 3 -2.3 1.9 | 76 6 -5.9 -1.4 7 709 3048 35 7 -4.0 -5.7 | 40 12 -7.6 -9.1 8 700 3156 30 7 -3.5 -6.1 | 37 12 -7.1 -9.4 9 658 3658 25 7 -3.0 -6.3 | 34 12 -6.5 -9.7 Wind Parameters Mean winds (0-6000m): 196.8 at 6.5 knts Storm direction: 226.8 at 4.9 knts Shear (0-3000m) pos: 0.0 neg: 1.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -7.9 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -34.1 tot: -34.1 m^2/s^2 ave: -11.4 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 23.31 Bulk Shear: 2.74 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 ------------------------------------------------------------------------------- 500 230 8 235 3| 0.0 11.3 11.3| 0.0 -0.8 -0.8 -1.6 -0.37| 12.5 -4.6 1000 226 9 225 4| 0.0 3.1 3.1| 0.0 -6.7 -6.7 -6.7 -0.48| 9.9 -4.7 1500 219 8 208 3| 0.0 1.4 1.4| 0.0 -11.4 -11.4 -7.6 -0.57| 8.3 -4.8 2000 212 7 182 3| 0.0 1.1 1.1| 0.0 -15.0 -15.0 -7.5 -0.60| 7.0 -4.2 2500 203 6 158 3| 0.0 1.5 1.5| 0.0 -20.5 -20.5 -8.2 -0.59| 6.5 -3.9 3000 201 6 155 3| 0.0 1.5 1.5| 0.0 -34.1 -34.1 -11.4 -0.64| 6.3 -4.0 4000 NO DATA | 0.0 1.5 1.5| | 5000 NO DATA | 0.0 1.5 1.5| | 6000 NO DATA | 0.0 1.5 1.5| | Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250426.12.gif