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Severe Storms Possible in the DC Area today

Severe Weather Threat for the DC Area

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Severe storms will be possible on this Monday as a strong cold front approaches from the west. The biggest threat is for damaging wind gusts and heavy rainfall. An isolated tornado cannot be totally ruled out along with large hail.

Timing

At this point, we think storms will mainly hold off until after 6pm. There is a chance for a few showers to develop in the late afternoon, but the line should hold off until closer to sunset (~8pm) in the DC Metro and later points eastward towards the Chesapeake Bay.

Rainfall

Precipitation totals should be around a quarter of an inch with the chance of up to a half inch or more depending on where storms end up. Some locations may record well over an inch with the heaviest storms.

Flooding issues are not anticipated but if you approach flooded roadways later this evening, turn around and find another way around.

Set-Up

A potent area of low pressure will move over the Great Lakes today and the associated cold front will push through the East Coast. Surface temperatures should approach the low 80s and there will be plenty of low level moisture with dewpoints in the mid to upper 60s. Strong winds a couple thousand feet above the surface will make for good wind shear, but forecast soundings indicate rather low instability due to warmer temperatures aloft.

This is actually a pretty typical set-up for the Mid Atlantic. This doesn't appear to be quite as dynamic as the last storm that brought a number of tornadoes to the Metro region, but severe weather will still be a threat. Be sure to stay weather alert through the evening commute until around 10pm tonight.

Stay on top of severe weather by downloading our StormWatch7 App or signing up for our Text Alerts at the top of the page.



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