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Weather Underground midday recap for Sunday, April 20, 2014
An area of low pressure continued to linger along the Mid-Atlantic coast on Sunday, while a separate low pressure system moved over the central third of the country.
A low pressure system moved slowly northeastward along the Eastern Seaboard on Sunday. This system continued to bring rain and thunderstorms to the southern Mid-Atlantic coast, especially along the coast of the Carolinas. Flood warnings were issued across parts of North Carolina and South Carolina, as moderate to heavy rain moved slowly away from the region. Myrtle Beach, S.C., reported a midday total of 0.96 inches of rain, while Kingstree, S.C., reported a midday total of 0.54 inches of rain. High pressure kept the remainder of the East Coast clear of precipitation.
A separate area of low pressure drifted eastward over the Four Corners and the southern Plains. Scattered showers and thunderstorms accompanied this system, while more organized thunderstorms began to form over western and central Texas. Just to the north, a wave of low pressure drove a mixture of rain and snow across the upper Midwest.
Meanwhile, a cold frontal boundary approached the Pacific Northwest on Sunday. Rainy weather moved over coastal Washington, while high pressure kept the rest of the West Coast clear of wet weather. Temperatures ranged between the 80s and 90s across the Desert Southwest, as Needles, Calif., recorded a midday high of 87 degrees.