Saturday, April 12, 2014

National Weather Summary for April 12,2014 from weatherunderground.com

Weather Underground midday recap for Saturday,April 12,2014

A cold frontal boundary extended from the Intermountain West to the upper Midwest on Saturday, while a ridge of high pressure continued to build over the eastern Pacific.

A cold front stretched across the Intermountain West, the central Plains and the upper Midwest on Saturday. A southerly flow from the Gulf of Mexico pushed a moist air mass across the central third of the country, which triggered a cluster of showers and thunderstorms over the upper Midwest and the Great Lakes. Severe thunderstorm warnings were issued in Wisconsin, while flood advisories were issued in Michigan and parts of the Northeast. La Crosse, Wis., reported a midday total of 1.77 inches of rain, while Volk, Wis., reported a midday total of 1.50 inches of rain. Just to the west, a mixture of rain and snow, along with gusty winds, moved across the northern Rockies and the northern Plains as winter storm warnings were issued across the Intermountain West. Cascade, Mont., reported a midday total of 2.0 inches of snow, while Monarch Pass, Colo., recorded wind speeds of 40 mph.

An onshore flow from the Gulf of Mexico brought very warm conditions to the southern Plains, the Gulf Coast and the Southeast on Saturday. Canadian, Texas, recorded a midday high of 93 degrees, while Woodward, Okla., recorded a midday high of 91 degrees.

The West Coast also experienced relatively warm conditions on Saturday due to a ridge of high pressure over the eastern Pacific. Temperatures ranged between the 80s and 90s across the Desert Southwest, as Needles, Calif., recorded a midday high of 87 degrees.

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