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Weather Underground Forecast for Friday, September 19, 2014
An area of low pressure will skim across the northern tier of the country on Friday, while remnants of Odile will shift eastward over the southern Plains.
The remnants of Hurricane Odile will continue to linger across parts of the Four Corners, the southern Rockies and the southern Plains on Friday. As daytime heating interacts with this moisture, isolated showers and thunderstorms will develop across the region. Heavy rain associated with these thunderstorms will bring a chance of flash flooding to eastern New Mexico and northwest Texas. Meanwhile, a cold frontal boundary will extend from northern California to north central Montana. As this frontal boundary moves eastward, showers and thunderstorms will develop across the Great Basin and the Intermountain West. A ridge of high pressure will build to the west of the cold front, keeping the West Coast mostly clear of wet weather.
An area of low pressure will drift eastward, skimming across south central Canada and the upper Midwest. Rain will be possible over parts of the northern Plains and the upper Mississippi Valley. Just to the east, high pressure will bring much cooler conditions to the upper Great Lakes and the Northeast. Frost will likely form over the northeastern Great Lakes region and northern New England during early Friday morning.
An onshore flow from the Gulf of Mexico will initiate thunderstorms across the Gulf Coast, the Southeast and parts of the Mid-Atlantic, while the Tennessee Valley and the Ohio Valley will avoid precipitation.