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    /12Z TAFs/
    Today: VFR with easterly flow, becoming MVFR late in the day.
    Tonight and Friday: IFR cigs/vsby with DZ/BR, backing NE flow.
    A passing impulse will bring elevated showers (and some embedded
    thunder) to areas mainly east of the I-35 corridor. Ongoing
    thunder is already affecting the Cedar Creek cornerpost, and there
    may be some disruption to the eastbound corridor this morning as
    well. A dry sub-cloud layer will limit rainfall at our TAF sites,
    the resulting virga posing a threat of turbulence. The return of
    low-level moisture will occur late in the day, but ceilings will
    steadily fall beforehand, owing to both precipitation processes
    and the lift the disturbance well impart.
    The rain chances will diminish late in the day as the impulse
    departs. The evening will be largely free of precipitation, but
    the surge of low-level moisture will return MVFR ceilings to all
    TAF sites. Additional moist advection overnight will lower
    ceilings further, into the IFR category during the early morning
    hours Friday. As the boundary layer supersaturates, drizzle will
    develop, likely reducing the visibility to IFR as well. With the
    low-level flow backing to the northeast, conditions are unlikely
    to improve during the daylight hours Friday.