UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101818.upa.cvt Date: 1800Z 18 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1800Z 18 OCT 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 850 55 35 1 700 75 11 2 500 TRP WND Sounding variables and indices Parcel Indices Parcel: using 100 mb layer Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 1016 0 0 0 -0.0 -0.0 1 979 305 80 13 -12.8 -2.3 2 908 914 80 13 -12.8 -2.3 3 850 1457 55 35 -28.7 -20.1 4 843 1524 55 35 -28.7 -20.1 5 781 2134 55 35 -28.7 -20.1 6 724 2743 30 9 -4.5 -7.8 7 700 3012 75 11 -10.6 -2.8 8 670 3353 90 13 -13.0 0.0 9 620 3962 100 9 -8.9 1.6 Wind Parameters 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251018.18.gif