Aviation Forecast Discussions Data
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    Remaining mvfr to lower vfr ceilings will erode this evening as
    surface ridging erodes areas of stratus over the area. Mid/upper
    level clouds will increase on Monday ahead of an approaching trough.
    Winds will also back from WSW to SSW ahead of cold front associated
    with this trough. Winds just begin to veer towards WSW late in the
    forecast as this front moves into the area. Lower cigs will also be
    ushers in at that time. Light snow with the system should hold off
    until after this forecast.
    For DTW...Remaining cigs below 5000 feet will erode mid to late
    evening with vfr conditions overnight and for much of the rest of
    the forecast. An encroaching cold front will allow for lower cigs to
    filter back into the area after 00z-02z Monday evening. Winds will
    back to SSW, but remain generally under 10 knots (even during best
    mixing midday Monday).