UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102118.upa.cvt Date: 1800Z 21 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1800Z 21 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 80 21 1 700 175 13 2 500 175 11 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 20 5 -1.7 -4.7 1 908 914 75 33 -31.9 -8.5 2 850 1457 80 21 -20.7 -3.6 3 843 1524 80 21 -20.7 -3.6 4 781 2134 90 13 -13.0 0.0 5 724 2743 145 7 -4.0 5.7 6 700 3012 175 13 -1.1 13.0 7 669 3353 175 13 -1.1 13.0 8 618 3962 185 19 1.7 18.9 9 570 4572 190 21 3.6 20.7 10 526 5182 185 13 1.1 13.0 11 500 5574 175 11 -1.0 11.0 12 485 5791 180 13 0.0 13.0 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.20251021.18.gif