National Weather Summary for March 18,2014 from weatherforyou.com

Weather Underground midday recap for Tuesday,March 18,2014

A cold frontal boundary extended from the Southwest to the central Plains on Tuesday, while a low pressure system moved away from the Eastern Seaboard.

A cold frontal boundary extended across the western and central portions of the country on Tuesday. Low pressure associated with this system drove wintery weather across the central Plains, the upper Midwest and the western Great Lakes. Winter storm warnings and winter weather advisories were issued across Nebraska, South Carolina, Minnesota and Wisconsin due to heavy snow showers across the region. Custer, Nebr., reported a midday total of 8.0 inches of snow, while Garden, Nebr., reported a midday total of 7.0 inches of snow. The southern Plains experienced warm, muggy conditions on Tuesday due to high pressure over southern Texas. San Angelo, Texas, recorded a midday high of 84 degrees, while Breckenridge, Texas, recorded a midday high of 83 degrees.

The majority of the Eastern Seaboard stayed clear of precipitation on Tuesday, although an area of low pressure just to the east of the Carolinas brought early morning showers to the Mid-Atlantic and Southeast. Orlando International, Fla., reported a morning total of 1.50 inches of rain.

A ridge of high pressure along the coast of California kept conditions mostly calm across the Southwest on Tuesday. To the north, an onshore flow from the Pacific brought light rain to Washington and high elevation snow showers to the Cascades. Winter weather advisories were issued across the Cascades as a cold front approached the region.