UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 7 DEC 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 1010 4 23.0 22.0 94 1.0 22.3 40 6 295.3 298.3 295.1 343.3 16.70 1 1000 92 23.8 19.1 75 4.7 20.5 50 14 297.0 299.5 293.7 337.5 14.05 2 932 708 22.4 14.4 61 8.0 17.1 34 14 301.6 303.6 292.9 334.4 11.13 3 925 774 22.0 14.0 60 8.0 16.7 30 13 301.8 303.8 292.8 334.1 10.92 4 892 1087 19.2 15.4 79 3.8 16.7 302.1 304.4 294.0 338.8 12.43 TRP WND Sounding variables and indices Precipitable water: 0.58 inches Sfc-500 mean rel hum: 69.18 % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 995.73 mb = 129.42 m = 424.59 ft T: 23.71 C ThetaE index: 9.18 C Layer 1000.0- 892.0 mb Conv cond level (CCL): None Cap Strength: -10014.28 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 115315.06 J/kg Max Up Vert Vel: 480.24 m/s Conv Inhibition (B-): 28.83 J/kg Cap Strength: 2.44 C Lift Cond Lev (LCL): 876.18 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 68 at 11 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 1010 4 40 6 -3.9 -4.6 | 274 6 6.4 -0.4 1 1000 92 50 14 -10.7 -9.0 | 6 5 -0.5 -4.8 2 976 305 40 18 -11.6 -13.8 | 8 10 -1.3 -9.6 3 943 610 40 15 -9.6 -11.5 | 355 7 0.6 -7.3 4 925 774 30 13 -6.5 -11.3 | 332 8 3.7 -7.1 5 910 914 5 13 -1.1 -13.0 | 314 13 9.1 -8.8 Wind Parameters Mean winds (0-6000m): 37.7 at 14.8 knts Storm direction: 67.7 at 11.1 knts Shear (0-3000m) pos: 0.0 neg: 10.3 tot: 10.3 10-3/s Storm rel Dir Shear (0-3000m): 40.3 deg Storm rel helicity (0-3000m) pos: 9.0 neg: -18.6 tot: -9.6 m^2/s^2 ave: -10.7 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 14.4 stream: 0.8 10^-3/s Energy-Hel index: 6.48 Bulk Rich Number: 418986.09 Bulk Shear: 0.28 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 43 15 1 7| 0.0 10.3 10.3| 9.0 -2.9 6.1 12.2 0.52| 16.4 8.5 1000 NO DATA | 0.0 10.3 10.3| | 1500 NO DATA | 0.0 10.3 10.3| | 2000 NO DATA | 0.0 10.3 10.3| | 2500 NO DATA | 0.0 10.3 10.3| | 3000 NO DATA | 0.0 10.3 10.3| | 4000 NO DATA | 0.0 10.3 10.3| | 5000 NO DATA | 0.0 10.3 10.3| | 6000 NO DATA | 0.0 10.3 10.3| | Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251207.00.gif