UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121817.upa.cvt Date: 1700Z 18 DEC 25 Searching for FCBB... Searching the city database file for: FCBB ... Date:1700Z 18 DEC 25 Station: FCBB WMO ident: 64450 Latitude: -4.25 Longitude: 15.25 Elevation: 316.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 850 245 7 1 700 95 12 2 500 95 14 3 400 85 23 4 300 75 20 5 250 100 20 6 200 100 20 7 150 110 24 8 100 140 10 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 ------------------------------------ 0 943 610 350 2 0.3 -2.0 1 908 914 230 7 5.4 4.5 2 875 1219 245 6 5.4 2.5 3 850 1457 245 7 6.3 3.0 4 811 1829 205 7 3.0 6.3 5 781 2134 160 4 -1.4 3.8 6 752 2438 130 9 -6.9 5.8 7 724 2743 95 11 -11.0 1.0 8 700 3012 95 12 -12.0 1.0 9 643 3658 110 14 -13.2 4.8 10 594 4267 120 11 -9.5 5.5 11 548 4877 95 5 -5.0 0.4 12 500 5574 95 14 -13.9 1.2 13 465 6096 95 20 -19.9 1.7 14 400 7185 85 23 -22.9 -2.0 15 376 7620 85 23 -22.9 -2.0 16 301 9144 80 20 -19.7 -3.5 17 300 9164 75 20 -19.3 -5.2 18 250 10363 100 20 -19.7 3.5 19 238 10668 90 22 -22.0 0.0 20 200 11775 100 20 -19.7 3.5 21 150 13509 110 24 -22.6 8.2 22 110 15240 145 8 -4.6 6.6 23 100 15797 140 10 -6.4 7.7 24 61 18288 95 48 -47.8 4.2 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//FCBB/skewt/FCBB.skewt.20251218.17.gif