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Weather Journal

with Kevin Myatt

Rainy night

The rain has finally arrived in earnest in Roanoke overnight ... in fact, as I write this early Monday morning at about 1 a.m., an urban and small stream flood advisory is in effect until 2:45 a.m. for a swath of counties along the Blue Ridge, the Roanoke Valley, and the Allegheny Highlands. The National Weather Service in Blacksburg reports that 1 to 3 inches of rain has been common across these areas, with rain continuing to fall.

Heavy rain has caused at least one mudslide in Grayson County and caused creeks to overflow onto Route 18 at Covington, according to reports listed by the National Weather Service.

What we've been experiencing in Roanoke and surrounding areas overnight is upslope-enhanced showers, as southeast winds lift dense, tropical moisture up and over the Blue Ridge, condensing the moisture into clouds and showers, with a few claps of thunder now and then. We'll continue to see this upslope effect off and on the next day or two, with afternoon heating increasing the chances of more intense thunderstorms with torrential downpours.

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Mug of Kevin Myatt

Kevin Myatt works on the copy desk for The Roanoke Times and is its principal weather geek, writing a weekly weather column and advising the newsroom on weather topics. He helps guide students on a storm chasing trip to the central U.S. each May and was an editor for "Hurricanes and the Middle Atlantic States."

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