Meteorologist Mark’s Wx Blog for Mon., Nov. 30

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Headlines 

Winter Weather Advisory begins at noon

Breezy and cold today (wind chills in the teens!)

Snowfall accumulations of 1-2 inches expected today and tonight

More wintry precip possible to end the week (monitoring)

Meteorologist Mark’s Vlog in a Flash

48-Hour WX

Seven-Day Forecast

Today is a weather-aware day for light snow.

Daily Forecast Summary

Today: Snow. Winter weather advisory begins at noon. Snow continues overnight. Total snow accumulation of 1-2 inches.

Tuesday: Morning flurries, then partly to mostly cloudy skies.

Wednesday: Mostly sunny and chilly.

Thursday – Saturday: Chance morning rain/snow and afternoon rain showers. I’ll fine-tune this forecast as details beoc

Sunday: Partly to mostly sunny.

Meteorologist Mark’s Snow Scale

Threats

Confidence has increased that we will see widespread snow amounts of 1-2 inches across the plateau by Tuesday morning, especially on grassy areas. A winter weather advisory goes into effect at noon today and expires Tuesday morning. Isolated locations, especially across Fentress County and eastern Putnam County (Monterey), could see slightly higher snowfall totals.

On This Day in Wx History

1967 – A record November snowstorm struck the Washington D.C. area. It produced up to a foot of snow in a 12 hour period. 

Almanac

Yesterday’s National Temperature Extremes

High: 87° at Sebring, Florida 

Low: -29° at Peter Sinks, Utah

Tropical Outlook

An area of low pressure in the eastern Atlantic continues to show signs of organization. The system will stay far away from the US. The 2020 hurricane season officially ends at midnight.

Today’s National Wx Hazards

Severe storms threaten the Mid-Atlantic, while snow falls farther wester in the colder air. More snow can be expected with another winter storm coming into the Pacific Northwest.

Tomorrow’s National Wx Hazards

Snowflakes are flying across New England and the central Appalachians. More snow can be found along the Front Range of the Rockies.

 Weather Shots

Nov. 30th, 1784 – John Jeffries, one of America’s first weather observers, became the first person to ascend in a balloon for the purpose of taking upper air meteorological measurements. Today, we release weather balloons for the very same purpose twice a day.

NASA Nerdology 

In 1971, the Orbiting Solar Observatory-7 saw the first coronal mass ejection from space. Today, we see such solar storms in stunning detail with spacecraft like @ESA and @NASA’s SOHO.

Then…..

And now…..

You all have a great day!

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