Sunday, May 1, 2016

Weather Underground National Forecast for Sunday,May 1,2016

By: nationalsummary , 10:00PM,GMT on April 30,2016





 
Weather Underground Forecast for Sunday,May 1,2016

An area of low pressure will move across the Midwest on Sunday, while a separate system shifts over the Southwest.

A broad area of low pressure will push east northeast over the middle Mississippi Valley and the Ohio Valley. This system will usher widespread rain and thunderstorms across the Midwest, the Mid-Atlantic and the Northeast on Sunday. Flash flood watches are in place for the central Appalachians. Cold air will also support the development of mixed precipitation in northwest New England. A cold frontal boundary associated with this system will stretch southwestward from the middle Mississippi Valley to the southern Plains. As this frontal boundary transitions eastward, it will initiate heavy rain and strong thunderstorms across the southern Plains, the Deep South and the Southeast. Prolonged heavy rain will bring threats of flash flooding to eastern Texas, Louisiana and southern Mississippi. The northern Plains will experience dry weather on Sunday.

Meanwhile, a low pressure system will drift slowly northeastward from the Southwest to the central Plains. This system will bring a mixture of rain and high elevation snow to the Intermountain West, while showers and isolated thunderstorms affect the Desert Southwest. Scattered snow showers will also trail this system over the higher elevations of the Sierra Nevada. Winter storm warnings and winter weather advisories are in place for northern New Mexico.

High pressure will influence dry weather from southwest California to the Pacific Northwest.

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