Saturday, May 28, 2016

Weather Underground National Forecast for Saturday,May 28,2016

By: nationalsummary , 10:00PM,GMT on May 27,2016





 
Weather Underground Forecast for Saturday,May 28,2016

A low pressure system will shift across the central third of the country on Saturday, while a frontal boundary makes its way over the Intermountain West.

An area of low pressure will lift northeastward from the central Plains to the upper Mississippi Valley. A moist air mass from the Gulf of Mexico will spread across the eastern half of the country. This air mass will set the stage for widespread thunderstorms across the Plains, the Mississippi Valley, the Midwest and the Northeast. The most organized storms will focus over the central Plains, the middle Mississippi Valley and the Midwest. High temperatures will be 10 to 20 degrees above normal across the Great Lakes, the Mid-Atlantic and the Northeast.

Meanwhile, a tropical system will drift northwestward over the southern Mid-Atlantic. This system will produce high surf along the Carolinas. The same system will usher showers and thunderstorms across the southern Mid-Atlantic and Florida.

Out west, a cold frontal boundary will weaken as it transitions southeastward across the Intermountain West. This frontal boundary, combined with daytime heating, will trigger isolated showers and thunderstorms over the Intermountain West, the Great Basin and the Sierra Nevada. High elevation snow will also be possible for the Sierra Nevada and the Rockies.

Additionally, a Pacific system will generate light to moderate rain and high elevation snow across Washington and northern Idaho.

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