UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061300.upa.cvt Date: 0000Z 13 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 13 JUN 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1007 4 28.0 26.8 93 1.2 27.1 210 5 300.5 304.7 300.0 367.1 22.54 1 1000 63 27.6 23.8 80 3.8 24.8 220 9 300.8 304.2 298.0 356.3 18.88 2 925 751 22.0 21.2 95 0.8 21.5 240 12 301.8 305.0 297.3 353.1 17.39 3 853 1452 17.4 17.0 97 0.4 17.1 259 16 304.1 306.7 296.0 347.0 14.44 4 850 1482 17.6 16.4 93 1.2 16.8 260 16 304.6 307.2 295.8 346.2 13.94 5 827 1718 18.8 12.8 68 6.0 14.8 260 16 308.2 310.4 294.9 342.5 11.31 6 793 2078 17.2 9.2 59 8.0 12.1 260 15 310.3 312.0 294.0 338.6 9.25 7 700 3132 10.4 6.5 77 3.9 8.0 275 27 314.0 315.7 294.6 341.1 8.71 8 655 3682 8.0 4.7 80 3.3 6.0 317.3 318.9 295.1 343.2 8.21 TRP WND Sounding variables and indices Precipitable water: 1.79 inches Sfc-500 mean rel hum: 79.36 % Est. max temperature: 31.40 C = 88.51 F Sfc-Lift cond lev (LCL): 990.20 mb = 149.91 m = 491.83 ft T: 26.89 C ThetaE index: 28.44 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 921.91 mb = 779.97 m = 2558.93 ft Mean mixing ratio: 18.09 g/kg Conv temperature: 29.35 C = 84.83 F Cap Strength: 0.91 C Lifted Index @700 mb: -1.46 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.75 J/kg Max Up Vert Vel: 11.55 m/s Conv Inhibition (B-): 0.64 J/kg Cap Strength: 0.90 C Lift Cond Lev (LCL): 929.11 mb = 711.89 m = 2335.56 ft Lev Free Conv (LFC): 914.11 mb = 853.43 m = 2799.92 ft Equ Level (EL): 834.11 mb = 1644.05 m = 5393.79 ft B at Equ Level: 24.13 J/kg Wind level data Storm motion: 291 at 12 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 1007 4 210 5 2.5 4.3 | 134 13 -9.1 8.7 1 1000 63 220 9 5.8 6.9 | 153 13 -5.8 11.3 2 973 305 225 11 7.8 7.8 | 163 13 -3.8 12.2 3 940 610 235 11 9.0 6.3 | 166 11 -2.6 10.7 4 925 751 240 12 10.4 6.0 | 173 10 -1.2 10.4 5 908 914 250 13 12.2 4.4 | 184 9 0.6 8.9 6 850 1482 260 16 15.8 2.8 | 210 8 4.1 7.2 7 846 1524 260 16 15.8 2.8 | 210 8 4.1 7.2 8 787 2134 260 15 14.8 2.6 | 204 8 3.2 7.0 9 707 3048 275 25 24.9 -2.2 | 260 13 13.3 2.2 10 700 3132 275 27 26.9 -2.4 | 262 15 15.3 2.1 11 656 3658 265 17 16.9 1.5 | 222 8 5.3 5.9 Wind Parameters Mean winds (0-6000m): 260.8 at 16.6 knts Storm direction: 290.8 at 12.4 knts Shear (0-3000m) pos: 4.0 neg: 0.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 124.8 deg Storm rel helicity (0-3000m) pos: 64.4 neg: -1.6 tot: 62.8 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 4.72 Bulk Shear: 14.15 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 ------------------------------------------------------------------------------- 500 225 10 158 12| 6.8 0.0 6.8| 22.8 0.0 22.8 45.6 0.91| 7.8 7.1 1000 234 11 166 11| 5.3 0.0 5.3| 33.2 0.0 33.2 33.2 0.86| 6.5 5.6 1500 243 12 176 10| 4.6 0.0 4.6| 40.6 0.0 40.6 27.1 0.88| 5.5 4.8 2000 248 13 184 9| 3.4 0.2 3.6| 40.6 -1.3 39.3 19.6 0.81| 4.3 3.5 2500 252 14 190 9| 3.6 0.2 3.8| 49.6 -1.6 48.0 19.2 0.82| 4.4 3.6 3000 257 15 202 8| 4.0 0.1 4.2| 64.4 -1.6 62.8 20.9 0.81| 4.7 3.9 4000 NO DATA | 3.5 0.9 4.3| | 5000 NO DATA | 3.5 0.9 4.3| | 6000 NO DATA | 3.5 0.9 4.3| | Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250613.00.gif