Sunday, January 31, 2016

Weather Underground National Forecast for Sunday,January 31,2016

By: nationalsummary , 11:00PM,GMT on January 30,2016




 
Weather Underground Forecast for Sunday,January 31,2016

A strong low pressure system will form over the Southwest on Sunday, while a wave of low pressure moves across the upper Midwest.

A low pressure system will deepen as it moves eastward over the Southwest. This system will be accompanied by a plume of moisture from the Pacific, which will lead to heavy rain across southern California. Prolonged heavy rain could lead to flash flooding over the southwestern corner of the state. A blast of cold air will accompany this system, aiding in the development of moderate to heavy snow across the higher elevations of the Southwest and the central Rockies. Snow accumulations will range between 1 to 2 feet across southern California, while snow totals will range between 2 to 3 feet across portions of the Wasatch and the Rockies. Winter storm warnings are in place for the southern Sierra Nevada, the San Bernardino Mountains, the Riverside County Mountains, the Chuska Mountains, the White Mountains, the Wasatch and the Rockies. Additionally, strong winds will affect the Southwest throughout the day.

Meanwhile, an area of low pressure will push northeastward across the middle Mississippi Valley and the Great Lakes. This system will produce showers and thunderstorms over the lower Mississippi Valley and the western Tennessee Valley. Light to moderate showers will develop ahead of this system over the eastern Tennessee Valley and the Ohio Valley. A mixture of rain, freezing rain and snow will spread across the middle and upper Mississippi Valley, the upper Midwest and northwest New England.

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