Temperatures will fall all day, with a chance of brief snow showers and slick roads as the Arctic front comes through in the morning.
that has sent temperatures tumbling as much as 60 to 70 degrees in a day across parts of the central U.S. is on the way to the nation’s capital Friday. The cold front won’t be quite as startling here, but it will still pack a huge punch.Friday’s highest temperatures will come before dawn. It’s the weird kind of day that temperatures begin dropping once the sun is up and keep doing so until it goes back down.
The cold front may also deliver a little bit of snow and the potential for a flash freeze as it moves by Friday morning — possibly creating areas of hazardous travel. The front will certainly bring the D.C. area the coldest Christmas holiday since at least 1989.Showers along the Arctic front will sweep across the area between roughly 6 a.m. and noon Friday. Temperatures may cool quickly enough for some snow to fall as cold air spills westward.
If it’s snowing as temperatures fall below 32 degrees and/or the pavement remains wet from earlier rain, slick spots could form on roads. However, if precipitation ends before temperatures fall below freezing, strong winds may help dry pavement, minimizing the flash-freeze threat. Wind chills fall through the teens, with winds gusting near 40 mph.Any snow should have ended and skies trend clearer. By 1 p.m., temperatures range from the teens to the 20s, northwest to southeast.
This is as strong a signal as I've ever seen in the flash freeze component of WSSI . A little choppiness due to the time resolution of NDFD data, but about as large and continuous a swath as it's ever produced.
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