Aviation Forecast Discussions Data
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    A break is in store from the heavy shower activity during late
    afternoon and early evening. A few showers around the JXN area could
    survive toward PTK and DTW but the rest of the evening will
    otherwise be dry until new showers begin developing from MBS to FNT
    toward midnight. In between will be a wide variation of ceiling
    within the leftover surface trough over SE Michigan and before the
    next front moves down from the northern Great Lakes. The associated
    low pressure system will bring increasing coverage of showers all
    areas overnight through Sunday morning along with a downward trend
    into IFR ceiling and visibility both ahead of and immediately post
    front. Afternoon improvement is expected north to south as the front
    exits into Ohio by late Sunday afternoon.
    For DTW... Just a few showers around for the remainder of the
    evening followed by a trend from VFR to MVFR and then to IFR
    overnight. A very low chance of a thunderstorm along the passing
    front Sunday afternoon.