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Major weekend storm to deliver severe weather, snow, heavy rain across eastern US - Fox Weather

Confidence is increasing that a developing storm system will deliver snow, widespread rain, severe storms and gusty winds to the eastern half of the U.S. as we head into the weekend.

The FOX Forecast Center wants to emphasize that the storm system is still a few days away, and some forecast changes may occur. However, all indications suggest this could be a significant storm that may cause travel disruptions and power outages for millions of Americans.

Snow expected in Midwest while heavy rain soaks the East

A trough of low pressure will eject out of the western U.S. late this week, the FOX Forecast Center said, triggering the development of a surface low over the central Plains on Friday. Where exactly that low develops and tracks will determine who gets rain versus snow.

Showers and thunderstorms will increase in coverage from the central Gulf Coast to the Ohio Valley from Friday afternoon into Saturday, the FOX Forecast Center said. The storm system should reach the East Coast by Sunday into Monday, with widespread rain from the mid-Atlantic to New England

Because the system will be strengthening rapidly during this time, very windy conditions are forecast to spread across the eastern part of the nation. Some forecast models indicate damaging winds of 50-70 mph could blast the East Coast, particularly the mid-Atlantic to New England from late Saturday through Sunday.

The gusty winds will likely challenge even the best holiday decorations, and, if not secured properly, will likely become airborne.

CHRISTMAS LAWN DECORATIONS ARE SOMETIMES NO MATCH FOR MOTHERE NATURE

The wind gust forecast on Sunday, Dec. 10, 2023.
(FOX Weather)


 

According to the FOX Forecast Center, these wind speeds could create big travel trouble at major airport hubs over the weekend, and we may even see power outages across multiple states.

Colder air on the system's backside will produce snow from the central Plains to the Great Lakes. However, the exact locations and snowfall accumulations remain uncertain and will become clearer as the week continues.

Severe weather threat in the South

The FOX Forecast Center said it is also monitoring the potential for severe weather in the South with this storm. A few severe storms may pop up on Friday night in parts of the Ark-La-Tex region and near the Ozarks as moisture streams off the Gulf of Mexico. 

NOAA’s Storm Prediction Center (SPC) has placed the region in a Level 1 out of 5 on its thunderstorm risk scale. This includes the cities of Tulsa and Broken Arrow in Oklahoma, Springfield in Missouri and Fort Smith and Fayetteville in Arkansas.

The severe thunderstorm threat on Friday, Dec. 8, 2023.
(FOX Weather)


 

By Saturday, a combination of increasing moisture and strong wind shear – the change in wind speed and direction with height – will result in a more substantial threat for severe thunderstorm development. Tornadoes, damaging winds and hail will all be possible from East Texas to Louisiana, Arkansas, western Mississippi and West Tennessee.

The region is in a Level 2 out of 5 on the SPC's thunderstorm risk scale. This includes the cities of Shreveport and Alexandria in Louisiana, Little Rock in Arkansas, Jackson in Mississippi and Memphis in Tennessee.

The severe thunderstorm threat on Saturday, Dec. 9, 2023.
(FOX Weather)


 

El NiƱo weather patterns are known to produce stormy weather across the Southeast, but so far, the last several storm systems have underperformed computer forecast model guidance.

The last severe weather outbreak to impact the Gulf Coast was on Nov. 20.

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Major weekend storm to deliver severe weather, snow, heavy rain across eastern US - Fox Weather
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