Meteorologist Mark’s Wx Blog for Wed., Dec. 6

Headlines 

An active pattern worth watching

Confidence increases for light snow Thursday night

Monday’s snow chance moves southward

Meteorologist Mark’s Wx Vlog 

48-Hour WX

Seven-Day Forecast

Daily Forecast Summary

Today: Clouds will likely increase as we go through the day.

Thursday: A chance for rain and snow showers by the afternoon. No accumulation expected during the day. Light snow develops overnight, with light accumulation possible.

Friday: Morning flurries, then mostly cloudy.

Saturday – Sunday: Partly cloudy to mostly sunny skies.

Monday: Mostly cloudy and chilly.

Tuesday: Mostly sunny.

Meteorologist Mark’s Wx Thoughts (New!)

It’s looking like plain rain may be hard to come by for Thursday. I think the rain will mix with at least a little snow from the start. As temps fall, that mix will turn to all snow. That should occur after dark. Models have trended southward with the snow for the past few days and that is why areas south of I-40 seem to have the better snow chances. It is worth noting that these scenarios are notorious for producing more snowfall in localized areas than is forecast. With that being said, I wouldn’t be surprised if some isolated locations, especially south of I-40, pick up 2 or 3 inches. Just throwing that out there. This is from an upper-level low and there’s a reason we weather folks say “upper level low, weatherman’s woe”. (ha)

Monday’s snow has now trended so far south I’m not sure we’ll see so much as a flurry. I’ll keep an eye on that, too.

Wx Threats for the Next 7 Days

My confidence has now increased for light snow Thursday night. Up to one inch of accumulation is possible. Be mindful of this if you have travel plans after dark Thursday and/or Friday morning. There could be some slick spots on area roads. The best chance for accumulating snowfall is south of Interstate 40, though we should all see at least some snow. Stay tuned for any changes.

Meteorologist Mark’s Snow Scale

On This Day in Wx History

1880 – Seattle, Washington, was in the midst of their worst snowstorm of record. Hundreds of barns were destroyed, and transportation was brought to a standstill, as the storm left the city buried under four feet of snow!

Almanac

Yesterday’s National Temperature Extremes

High: 85° at Pharr & Falcon Lake, Texas 

Low: -8° at Crested Butte, Colorado

Today’s National Wx Hazards

Severe thunderstorms will threaten the coastal region of eastern Texas, including the Houston area. Meanwhile, accumulating snow will fall across western Montana and much of Idaho.

Tomorrow’s National Wx Hazards

Rain and snow affect the Midsouth, with that mix turning to snow overnight. Farther west. snow will accumulate across areas of the central and northern plains, as well as the Northwest. Freezing rain is possible across parts of North Dakota.

 Weather Shots

The lightning map showing all the lightning strikes in 2020 has been released! An interesting map, as always!

NASA Nerdology 

During this week in 1962, NASA made drawings of the initial three-person Apollo spacecraft public. You can learn more about the Apollo spacecraft in our book, “Chariots for Apollo” : https://history.nasa.gov/SP-4205.pdf

You all have a great day!

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