Another round of slow moving thunderstorms and widespread rain is drenching much of the Southeast. There have even been a few severe thunderstorms across parts of Georgia and Alabama.
This storm has a history of producing flash flooding across parts of the southern Plains earlier in the weekend. Houston was particularly hard hit with some areas picking up nearly six inches of rain in a few short hours. Pictures from Twitter and Facebook displayed the dangerous floods with cars stranded in several feet of water.
The similar flash flooding threat will persist across the South into tonight. Rain will continue to fall from the central Gulf Coast into the Carolinas tonight before shifting toward the East Coast late.
This flash flood threat is all due to an area of low pressure that is tracking through the Ohio Valley.
The main threat from this system is flooding from widespread, long duration rainfall. Low-lying areas and locations along rivers and streams will be the most vulnerable for flooding.
Rainfall totals through tonight in many areas will average 1-2 inches with local amounts over 3 inches inches possible, especially from northeast Georgia through western North Carolina.
The Mississippi River is especially at risk for flooding from this system. River levels are already on the rise as water continues to make its way downstream following last weeks flooding rain in the Midwest.
The additional rainfall flowing into the Mississippi River from its tributaries will only add to the flooding potential along the river.
There can also be a few damaging thunderstorms into tonight across the central Gulf Coast region where some heating is occurring. The best chance for these gusty storms will be from near New Orleans through southern Mississippi and much of Alabama into central Georgia.
There has already been one tornado warning prompted by a cell southeast of Atlanta. A couple of additional rotating thunderstorms are possible into the evening hours.
The greatest risks from these storms will be isolated damaging wind gusts and hail. Wind gusts up to 50 mph in these storms can bring down tree branches and power lines.
Meanwhile, after the drenching rains across the South continue into tonight, the rainfall threat will also shift into the remainder of the mid-Atlantic and throughout parts of New England into Monday, bringing an end to the nice weather currently in place.
Following benign weather this weekend, a major storm will affect Pittsburgh, much of the East and Midwest on Christmas Eve.
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A train of storms will continue to deliver rain to the Pacific Northwest with one particular storm this weekend likely to be the strongest of the bunch.
A major storm centered on Christmas Eve will affect the Midwest and East with areas of strong winds, heavy snow, torrential rain and thunderstorms.
With many winter storms lined up, snow will create a wintry setting for Christmas in some areas.
Southern Illinois (1957)
A tornado tracked across Jackson, Williamson and Franklin counties, killing 11 people.
Record snowfall: Spokane, WA - 20.9"; Yakima, WA - 21.4".
Bennet Bridge, NY (1975)
Lake effect snowburst; 34" snow.