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Weather Underground midday recap for Tuesday, October 21, 2014
A low pressure system moved across the northeastern corner of the country on Tuesday, while a cold front extended from the Southwest to the northern Plains.
A low pressure system shifted east northeastward over the Northeast on Tuesday. As this system interacted with a moist air mass from the Atlantic, widespread rain developed across the Ohio Valley, the Mid-Atlantic, the eastern Great Lakes and New England. Akron Canton, Ohio, reported a midday total of 0.96 inches of rain. Franklin, Pa., reported a midday total of 0.77 inches of rain. In addition, a cold front extend south southwestward over the Eastern Seaboard and central Florida. An onshore flow interacted with this frontal boundary, which initiated thunderstorms over the southern tip of Florida. Key West, Fla., reported a midday total of 1.60 inches of rain. Vero Beach, Fla., reported a midday total of 1.56 inches of rain.
A separate cold front extended from the Desert Southwest to the northern high Plains. Winter weather advisories were issued over central Idaho and southwest Montana as a mixture of rain and snow affected the upper Intermountain West. Meanwhile, isolated thunderstorms lingered over portions of the central and southern Rockies, as well as the southern Plains.
To the west, a strong cold front approached the Pacific Northwest, as flood watches were issued in western Washington. moderate to heavy rain developed ahead of this frontal boundary over the coast of Washington and northwest Oregon. The Great Basin and the Southwest stayed mostly clear of wet weather on Tuesday.