UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for FCBB... Searching the city database file for: FCBB ... Date:1200Z 20 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 ------------------------------------------------------------------------------- 0 850 230 8 1 700 65 11 2 500 5 5 3 400 120 12 4 300 90 13 5 250 105 20 6 200 100 28 7 150 115 31 8 100 100 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 ------------------------------------ 0 943 610 220 8 5.1 6.1 1 908 914 230 11 8.4 7.1 2 875 1219 245 6 5.4 2.5 3 850 1457 230 8 6.1 5.1 4 811 1829 25 10 -4.2 -9.1 5 781 2134 25 10 -4.2 -9.1 6 752 2438 40 9 -5.8 -6.9 7 724 2743 65 11 -10.0 -4.6 8 700 3012 65 11 -10.0 -4.6 9 643 3658 40 6 -3.9 -4.6 10 594 4267 50 6 -4.6 -3.9 11 548 4877 30 7 -3.5 -6.1 12 500 5574 5 5 -0.4 -5.0 13 465 6096 120 8 -6.9 4.0 14 400 7185 120 12 -10.4 6.0 15 376 7620 90 9 -9.0 0.0 16 301 9144 100 15 -14.8 2.6 17 300 9164 90 13 -13.0 0.0 18 250 10363 105 20 -19.3 5.2 19 238 10668 115 22 -19.9 9.3 20 200 11775 100 28 -27.6 4.9 21 150 13509 115 31 -28.1 13.1 22 110 15240 100 9 -8.9 1.6 23 100 15797 100 10 -9.8 1.7 24 61 18288 80 32 -31.5 -5.6 25 33 21336 85 41 -40.8 -3.6 26 18 24384 90 51 -51.0 0.0 27 10 27432 110 39 -36.6 13.3 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.20251220.12.gif