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Associated Press

Posted on April 27, 2014 at 4:04 PM

Updated Sunday, Apr 27 at 4:06 PM

Weather Underground midday recap for Sunday, April 27, 2014

A cold frontal boundary moved across the central third of the country on Sunday, while a separate cold front pushed across the West Coast.

A cold frontal boundary initiated an active weather system over the central third of the country on Sunday. A warm, humid air mass from the Gulf of Mexico moved ahead of this frontal boundary, which triggered strong to severe thunderstorms over the middle and lower Mississippi Valley, the Missouri Valley and the Tennessee Valley. Tornado watches and severe thunderstorm warnings were issued across Kansas, Nebraska, Iowa and Missouri as the strongest thunderstorms focused over the four states. McPherson, Nebr., reported a midday total of 1.00 inches of hail, while Calhoun, Iowa, reported a midday total of 0.88 inches of hail. Very gusty winds accompanied these thunderstorms, as Livingston, Mo., recorded wind gusts of 70 mph. Heavy rain pushed across the lower Mississippi Valley and the Missouri Valley as flash flood warnings were issued in eastern Missouri and northern Mississippi. Tunica, Mo., reported a midday total of 1.15 inches of rain. Heavy rain and sleet also moved across the upper Midwest, as Minneapolis Crystal, Minn., reported a midday total of 1.46 inches of rain. Meanwhile, a mixture of rain and snow impacted the central Rockies, as Mesa, Colo., reported a midday total of 6.1 inches of snow.

The Eastern Seaboard stayed mostly clear of precipitation on Sunday, although scattered showers moved across parts of the Northeast. Out west, a cold front brought rainy weather to parts of Washington, Oregon and northern California. This cold front also moved scattered snow showers over the Cascades and the northern Rockies.

Temperatures in the Lower 48 states Sunday have ranged from a morning low of 12 degrees at Wolf Creek Pass, Colo. to a midday high of 104 degrees at Laredo, Texas

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