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Meteorologist Mark’s Christmas Eve Wx Blog

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WINTER WEATHER ADVISORY for today and tonight

Prepare for a short-lived shot of BITTER cold air

Cold for Christmas Day w/ possible snow flurries

Temps warming by Saturday

Meteorologist Mark’s Vlog in a Flash

48-Hour WX

Seven-Day Forecast

Daily Forecast Summary

Today: Rain changes to snow. Light accumulations of snow possible. Turning very cold. Winter weather advisory in effect for today and tonight.

Christmas Day: Partly sunny, with a few snow flurries possible. Cold!

Saturday: Mostly sunny and warmer.

Sunday: Increasing cloudiness.

Monday: Mostly cloudy.

Tuesday: Mostly cloudy.

Wednesday: Mostly cloudy, with a chance for showers.


A cold upper-level low will bring scattered to numerous snow showers to the Upper Cumberlands from this afternoon through tonight. Accumulations of up to one inch are possible, with isolated locations picking up a bit more than that. It just depends on how many snow showers move through your neck of the woods. It’s like in the summer when your neighbor gets an inch of rain and you get a sprinkle, only this time it’s snow! ha Some isolated locations could pick up as much as two inches of snow.

Confidence remains high for snow and my confidence in many of us getting up to one inch has increased this morning.

Meteorologist Mark’s Snow Scale

On This Day in Wx History

1988- An F-4 tornado tears a path from the Rebel Meadows area of Franklin to the Brenthaven area of Brentwood (Just south of Nashville). The tornado destroys 54 homes, 13 apartment units, 31 businesses, and 6 parked airplanes. A man is killed when a roof caves in. The tornado travels 6 miles with a path width of 150 yards. There are $50 million in damages and 7 injuries.


Yesterday’s National Temperature Extremes

High: 89° at Linn, Texas 

Low: -13° at Bechler, Wyoming

Today’s National Wx Hazards

A wild weather day in the eastern US! Severe storms threaten the eastern Carolina’s and Virginia, while flash flooding threatens an area from northeast Georgia to New England. Freezing rain is falling on parts of Maine and New Hampshire and very heavy snowfall is likely to fall from the mountains of East Tennessee to eastern Ohio/western Pennsylvania. More snowflakes are flying across the Great Lakes region. MUCH farther west, a wildfire danger is threatening southern California.

Tomorrow’s National Wx Hazards

Very heavy rainfall, with dangerous flooding conditions, threatens much of New England. West of that threat area is an area of snowfall that stretches back to the Great Lakes. Much of that snowfall is Lake-Effect snow. Another storm system brings snow to the northern Rockies and Sierra Nevada.

 Weather Shots

There is a website I recently stumbled across, thanks to Twitter, that shows the temperatures on the mountains of western North Carolina at their different elevations. The site admin, Evan Fisher, is constantly working on the site and it just keeps getting better. The site also tracks wind, which can get insane in those mountains! I just think it’s about the coolest site. Check it out if you get a chance at

NASA Nerdology

Andrew McCarthy (@AJamesMcCarthy) captured this image of Saturn and Jupiter Tuesday night. McCarthy notes, “… Saturn and Jupiter begin their journey away from each other, their short meeting slowly coming to an end, only to purposefully reunite in 60 years. Here is my image from that moment.”

Jupiter is lower left, with four of its moons, and Saturn is the ringed one to the upper right.

An amazing image, indeed!

 You all have a great day!

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