UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for FCBB... Searching the city database file for: FCBB ... Date:1200Z 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 ------------------------------------------------------------------------------- 0 850 280 6 1 700 145 4 2 500 85 14 3 400 90 25 4 300 85 23 5 250 105 15 6 200 75 10 7 150 120 10 8 100 125 13 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 ------------------------------------ 0 943 610 250 6 5.6 2.1 1 908 914 275 6 6.0 -0.5 2 875 1219 280 6 5.9 -1.0 3 850 1457 280 6 5.9 -1.0 4 811 1829 55 4 -3.3 -2.3 5 781 2134 75 3 -2.9 -0.8 6 752 2438 315 2 1.4 -1.4 7 724 2743 150 3 -1.5 2.6 8 700 3012 145 4 -2.3 3.3 9 643 3658 90 12 -12.0 0.0 10 594 4267 95 14 -13.9 1.2 11 548 4877 95 13 -13.0 1.1 12 500 5574 85 14 -13.9 -1.2 13 465 6096 75 16 -15.5 -4.1 14 400 7185 90 25 -25.0 0.0 15 376 7620 80 32 -31.5 -5.6 16 301 9144 85 23 -22.9 -2.0 17 300 9164 85 23 -22.9 -2.0 18 250 10363 105 15 -14.5 3.9 19 238 10668 95 18 -17.9 1.6 20 200 11775 75 10 -9.7 -2.6 21 150 13509 120 10 -8.7 5.0 22 110 15240 185 10 0.9 10.0 23 100 15797 125 13 -10.6 7.5 24 61 18288 90 41 -41.0 0.0 25 33 21336 80 49 -48.3 -8.5 26 18 24384 90 56 -56.0 0.0 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//FCBB/skewt/FCBB.skewt.20251218.12.gif