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Weather Underground Forecast for Wednesday, May 06, 2015
An area of low pressure will continue to bring impacts to the central third of the country on Wednesday, while a cold front will extend across the Ohio Valley and the Mid-Atlantic.
A vigorous area of low pressure will inch northward over the central and northern Plains. This system will draw moisture from the Gulf of Mexico, fueling rain and thunderstorms across a large portion of the Plains. Severe thunderstorms will be possible in northern Texas, central Oklahoma, Kansas and southern Nebraska. These thunderstorms will be capable of producing large hail, dangerous straight line winds and isolated tornadoes. In addition, heavy rain associated with these thunderstorms will bring threats of flash flooding to northeast Texas and south central Oklahoma.
Meanwhile, a separate area of low pressure over the western third of the country will usher showers and isolated thunderstorms across the Great Basin, as well as the central and northern Rockies. High elevation snow showers will be possible over the Intermountain West. There will also be chances of showers thunderstorms across the northern Sierra Nevada and parts of the Pacific Northwest. Southern California, Arizona and New Mexico will stay mostly clear of precipitation on Wednesday.
Back east, a cold front will continue to generate rain and thunderstorms over the upper Midwest, the Ohio Valley and the Mid-Atlantic. In addition, a tropical system over the western Atlantic will usher thunderstorms over southern Florida.