Aviation Forecast Discussions Data
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    For McCarran...Breezy south to southwest winds are
    expected through the day, with gusts as high as 30 knots in the
    afternoon, before shifting to the northwest or north in the late
    afternoon/early evening. Ceilings will lower overnight, possibly
    dipping down to 080 Wednesday morning, with chances for showers and
    lower ceilings increasing Wednesday afternoon.
    For the rest of southern Nevada, northwest Arizona and southeast
    California...Strong west to southwest winds can be expected today in
    the Mojave Desert, with the strongest winds in much of San
    Bernardino County, where gusts over 50 knots will be possible in the
    afternoon. Severe downslope winds, with gusts of 50 to 60 knots,
    will also be possible on the eastern slopes of the Sierra and in the
    Owens Valley. Chances for showers, along with low ceilings and
    terrain obscuration, will spread south across the southern Great
    Basin today and across the Mojave Desert tonight into Wednesday.