UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 9 OCT 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 0 0.0 -0.1 99 0.1 -0.0 273.1 273.8 273.1 283.4 3.79 SFC 990 181 23.0 22.5 97 0.5 22.6 0 0 297.0 300.2 296.1 347.9 17.59 2 954 511 24.2 19.3 74 4.9 20.8 27 5 301.4 304.1 295.6 345.3 14.93 3 925 785 22.6 20.0 85 2.6 20.8 45 6 302.4 305.4 296.7 350.1 16.11 4 878 1239 19.8 19.5 98 0.3 19.6 84 4 304.1 307.1 297.3 353.1 16.47 5 850 1519 18.6 16.0 85 2.6 16.8 110 4 305.6 308.2 295.8 346.3 13.58 6 702 3138 9.6 2.6 62 7.0 5.6 60 7 312.9 314.1 292.6 333.4 6.59 7 700 3162 9.4 3.4 66 6.0 5.9 60 7 312.9 314.2 293.0 334.7 7.00 8 682 3377 7.8 4.7 81 3.1 6.0 60 6 313.4 315.0 293.8 338.0 7.88 9 668 3547 6.8 4.7 86 2.1 5.6 60 5 314.2 315.7 294.1 339.3 8.05 10 635 3962 5.6 -11.4 28 17.0 -1.7 317.4 317.9 290.5 325.7 2.52 TRP WND Sounding variables and indices Wetbulb zero: Below ground Precipitable water: 1.67 inches Sfc-500 mean rel hum: 76.83 % Est. max temperature: 32.05 C = 89.70 F Sfc-Lift cond lev (LCL): 983.20 mb = 242.33 m = 795.02 ft T: 23.22 C ThetaE index: 19.64 C Layer 850.0- 700.0 mb Conv cond level (CCL): 849.71 mb = 1521.88 m = 4992.98 ft Mean mixing ratio: 16.04 g/kg Conv temperature: 31.62 C = 88.91 F Cap Strength: 1.74 C Lifted Index @700 mb: -0.82 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.71 J/kg Max Up Vert Vel: 11.29 m/s Conv Inhibition (B-): 57.07 J/kg Cap Strength: 1.74 C Lift Cond Lev (LCL): 903.56 mb = 989.15 m = 3245.22 ft Lev Free Conv (LFC): 748.56 mb = 2594.72 m = 8512.77 ft Wind level data Storm motion: 100 at 4 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 ---------------------------------------------------------- 0 990 181 0 0 -0.0 -0.0 | 280 4 4.0 -0.7 1 943 610 35 6 -3.4 -4.9 | 355 6 0.5 -5.6 2 925 785 45 6 -4.2 -4.2 | 3 5 -0.3 -5.0 3 911 914 55 5 -4.1 -2.9 | 2 4 -0.1 -3.6 4 850 1519 110 4 -3.8 1.4 | 197 1 0.2 0.7 5 849 1524 110 4 -3.8 1.4 | 197 1 0.2 0.7 6 790 2134 90 6 -6.0 0.0 | 71 2 -2.0 -0.7 7 709 3048 60 7 -6.1 -3.5 | 27 5 -2.1 -4.2 8 700 3162 60 7 -6.1 -3.5 | 27 5 -2.1 -4.2 9 658 3658 60 5 -4.3 -2.5 | 7 3 -0.4 -3.2 Wind Parameters Mean winds (0-6000m): 70.2 at 5.4 knts Storm direction: 100.2 at 4.0 knts Shear (0-3000m) pos: 0.8 neg: 0.8 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 105.9 deg Storm rel helicity (0-3000m) pos: 9.3 neg: -2.7 tot: 6.6 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 46.96 Bulk Shear: 1.36 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 36 3 331 4| 6.2 0.0 6.2| 8.1 0.0 8.1 16.1 0.97| 6.9 6.6 1000 48 4 348 4| 2.3 0.0 2.3| 9.1 -0.0 9.1 9.1 0.71| 5.5 3.9 1500 63 4 358 3| 1.5 0.0 1.5| 9.3 -0.1 9.2 6.1 0.62| 4.7 2.9 2000 73 5 12 2| 1.2 0.6 1.7| 9.3 -0.5 8.7 4.4 0.45| 4.1 1.8 2500 75 5 22 2| 0.9 0.8 1.7| 9.3 -1.6 7.7 3.1 0.32| 3.6 1.2 3000 72 5 25 3| 0.8 0.8 1.6| 9.3 -2.7 6.6 2.2 0.24| 3.3 0.8 4000 NO DATA | 0.8 0.8 1.6| | 5000 NO DATA | 0.8 0.8 1.6| | 6000 NO DATA | 0.8 0.8 1.6| | Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251009.00.gif