NOAA

Dec 17, 2014

Upper level energy swinging out of the Southwest combined with return flow from the western Gulf will spread precipitation across the south central U.S. Wednesday into Thursday. Rumbles of thunder will be possible across Texas while a mix of snow, sleet and freezing rain is expected within the northern edge of the precipitation shield stretching across the Central Plains and Middle Mississippi Valley. Upstream, a second source of energy aloft will cross northern Mexico and is expected to ignite an area of heavy rains and thunderstorms ...

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