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Weather Underground midday recap for Friday, December 19, 2014
A low pressure system developed over the Gulf Coast on Friday, while a Pacific system skimmed across the coast of northern California.
An area of low pressure inched over the western Gulf Coast on Friday. Flood watches were issued in southwest Louisiana as rain and thunderstorms focused over eastern Texas, Louisiana, southern Arkansas, Mississippi and western Alabama. Houston Intercontinental, Texas, reported a midday total of 3.05 inches of rain. Baton Rouge, La., reported a midday total of 1.57 inches of rain. The Mid-Atlantic and the Northeast stayed mostly clear of precipitation as high pressure settled in across the Eastern Seaboard.
Bitter cold temperatures affected the central and northern Plains, as well as the upper Midwest. Daytime temperatures ranged between the 20s and 30s over the region on Friday. Land O, Wis., recorded a morning low of -4 degrees, while Alliance, Neb., recorded a morning low of 1 degree.
Out west, a Pacific low pressure system brought rain and mountain snow to northern California. Winter weather advisories were issued across the Sierra Nevada. In addition, a mixture of rain and snow moved across the upper Intermountain West. Crescent City, Calif., reported a midday total of 1.06 inches of rain. Flood watches were issued across western Washington and western Oregon in anticipation of heavy rain. Scattered showers began to develop over the northwestern corner of Oregon and western Washington on Friday. A ridge of high pressure over the eastern Pacific kept conditions clear across the Southwest and the southern Rockies.