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Weather Underground midday recap for Thursday, October 30, 2014
National Midday Summary for Thursday, October 30th, 2014
A cold front approached the West coast on Thursday, while a trough of low pressure deepened over the Great Lakes.
A strong cold front pushed southeastward toward the West Coast on Thursday. Moderate to heavy rain developed ahead of this frontal boundary over the Pacific Northwest. Quillayute, Wash., reported a midday total of 0.41 inches of rain. Astoria, Ore., reported a midday total of 0.23 inches of rain. Winter storm warnings and winter storm watches were draped across the Sierra Nevada in anticipation of this strong Pacific system. Conditions remained mostly clear across the Great Basin and the Southwest, although scattered showers popped up over southwest Arizona. Palm Springs, Calif., recorded a midday high of 86 degrees.
Meanwhile, cold, arctic air dipped southward over the northern Plains and the upper Midwest, as temperatures ranged between the 30s and 40s from the upper Intermountain West to the Great Lakes. Big Piney, Wyo., recorded a morning low of 19 degrees. West Yellowstone, Mont., recorded a morning low of 21 degrees. In addition, freeze warnings were issued in Kansas, northeast Oklahoma, western Missouri and northwest Arkansas on Thursday.
Just to the east, a trough of low pressure began to deepen over the Great Lakes. This system ushered a mixture of rain and snow over the upper Midwest, while a cluster of showers moved across the middle Mississippi Valley. The Eastern Seaboard stayed mostly clear of wet weather as a cold front departed over the western Atlantic.