Virginia, Carolinas face flood threat as far-reaching storm soaks mid-Atlantic

Increasing forecast rainfall, caused by enhancement by the southeast-facing slope will develop throughout the day. The 24-hour total may approach 5 inches on the tallest peaks, with a widespread 3 inches at lower elevations.

The same storm dumping snow on the northern Plains will continue to produce soaking rain across the eastern half of the country through midweek. 

The FOX Forecast Center said rain will fall across a large area Tuesday with a flood threat potentially setting up across portions of the southern Blue Ridge and Great Smokies. 

A three-hour radar loop showing where rain (green), snow (blue) and freezing rain/sleet (purple) are ongoing. Severe Thunderstorm Warnings are indicated in yellow. Tornado Warnings are indicated in red, while Tornado Warnings with a confirmed tornado are indicated in purple. Flash Flood Warnings are indicated in green, while Flash Flood Emergencies are indicated in pink.
(FOX Weather)


 

Increasing forecast rainfall, caused by orographic enhancement from the southeast-facing slopes will develop throughout the day. The 24-hour total may approach 5 inches on the tallest peaks, with a widespread 3 inches at lower elevations.

"It is certainly going to be a very wet go of things," said FOX Weather Meteorologist Michael Estime

Here's a look at the flood alerts for Tuesday, Dec. 26, 2023.
(FOX Weather)


 

The greatest risk of flooding extends from parts of South Carolina to Virginia, with North Carolina likely seeing some of the heaviest rain. NOAA’s Weather Prediction Center has placed this region in a Level 2 out of 4 risk for flash flooding.

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The flash flood threat on Tuesday, Dec. 26, 2023.
(FOX Weather)


 

Upwards of 5 inches of rain with some isolated readings of as much as 8 inches are possible through Wednesday, mainly across the Appalachian Mountains in North Carolina and points east.

Heading into late in the week, a coastal low will attempt to develop off the east coast. This, in conjunction with moisture from the Plains blizzard, will allow for rain to break out across most of the Ohio Valley and Great Lakes, before spreading into the mid-Atlantic and Northeast late Wednesday into Friday. 

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A look at the rain forecast through Tuesday, Dec. 26, 2023.
(FOX Weather)


 

Overall, around 1-3 inches of rain will be possible through late Friday.

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