UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122006.upa.cvt Date: 0600Z 20 DEC 25 Searching for FCBB... Searching the city database file for: FCBB ... Date:0600Z 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 60 1 1 700 30 13 2 500 155 11 3 400 145 19 4 300 90 21 5 250 80 27 6 200 70 25 7 150 100 35 8 100 155 7 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 25 8 -3.4 -7.3 1 908 914 50 4 -3.1 -2.6 2 875 1219 40 2 -1.3 -1.5 3 850 1457 60 1 -0.9 -0.5 4 811 1829 15 9 -2.3 -8.7 5 781 2134 25 10 -4.2 -9.1 6 752 2438 25 11 -4.6 -10.0 7 724 2743 30 13 -6.5 -11.3 8 700 3012 30 13 -6.5 -11.3 9 643 3658 85 6 -6.0 -0.5 10 594 4267 145 7 -4.0 5.7 11 548 4877 150 10 -5.0 8.7 12 500 5574 155 11 -4.6 10.0 13 465 6096 130 16 -12.3 10.3 14 400 7185 145 19 -10.9 15.6 15 376 7620 140 20 -12.9 15.3 16 301 9144 90 20 -20.0 0.0 17 300 9164 90 21 -21.0 0.0 18 250 10363 80 27 -26.6 -4.7 19 238 10668 85 33 -32.9 -2.9 20 200 11775 70 25 -23.5 -8.6 21 150 13509 100 35 -34.5 6.1 22 110 15240 90 21 -21.0 0.0 23 100 15797 155 7 -3.0 6.3 24 61 18288 70 20 -18.8 -6.8 25 33 21336 110 35 -32.9 12.0 26 18 24384 90 54 -54.0 0.0 27 10 27432 140 19 -12.2 14.6 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//FCBB/skewt/FCBB.skewt.20251220.06.gif