Aviation Forecast Discussions Data
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    /18z TAFs/
    A surface low currently just east of KDFW at 18Z will move to
    near KTYR by 06z tonight. This feature is presenting a variety of
    near-term wind direction forecast challengs at the Metroplex TAF
    sites, though all airports should see a shift to northerly
    conditions by 00z. Northerly flow at 08-14 knots should persist
    thereafter through tonight and Sunday.
    VFR/MVFR conditions currently exist in the eastern periphery of
    the surface low, but all TAF sites should be transitioning to
    either low MVFR or IFR ceiling categories from 20z through 00z
    today. IFR conditions should prevail from that point on through
    the overnight hours, as abundant moisture wraps around the back
    side of the departing surface low. No thunderstorm concerns exist,
    but occasional visibility reductions will occur at the Metroplex
    sites this afternoon due to intermittent showers. Thereafter, MVFR
    visibility reductions due to fog and drizzle will occur at most
    of the sites through 16z Sunday.