Upper Cumberland Wx for Saturday, Oct. 17

Headlines 

A warming trend underway

Warmer next week

Meteorologist Mark’s Vlog in a Flash

48-Hour WX

Seven-Day Forecast

Daily Forecast Summary

Today: A frosty start to the day, then mostly sunny and pleasant in the afternoon.

Sunday: Partly cloudy to mostly sunny. Pleasant.

Monday: Mostly sunny.

Tuesday – Thursday: Generally partly cloudy skies.

Friday: A chance for showers.

Meteorologist Mark’s Severe Wx Concern

Threats

Hazardous weather is not expected over the next seven days.

On This Day in Wx History

1971 – Great balls of fire were observed just ahead of a tornado moving down the main street of Wray, Colorado. Interestingly, little other electrical activity accompanied the storm. Nine persons were injured in the tornado at a trailer park on the edge of town. 

Almanac

Yesterday’s National Temperature Extremes

High: 106° at Palm Desert, California 

Low: at Daniel, Wyoming

NOTE: During the change of season months, you’ll notice an enormous spread in the nation’s high and low temperature extremes. Pretty interesting!

Tropical Outlook

The red-shaded region will likely become Tropical Storm Epsilon in the coming days, perhaps by the end of this weekend. That storm will likely meander out in the ocean, before being kicked out to sea by a cold front. Another area of low pressure may develop in the Caribbean in the coming week. I’ll keep an eye on that.

Today’s National Wx Hazards

Lots of unsettled weather across the northern tier of the US, with lots of cold air and snowflakes flyin’!

Tomorrow’s National Wx Hazards

Accumulating snowfall will be possible across the northern plains. This could be their first snow of the season!

 8 – 14 Day Outlook

A cooling trend continues to show in the 8-14 day outlook. There does appear to be a pattern of more moisture in the east, drier in the west developing.

Temperature

Precipitation 

Weather Shots

This is epic video of a roll cloud over Lake Michigan yesterday. How wild is this?! The video was shot by Ken Temple.

Roll clouds are associated with gust fronts or cold fronts. These clouds are relatively rare and appear to be rolling about a horizontal axis because of the shearing effects  provided by the differing air masses.

NASA Nerdology 

This week was the anniversary of IRIS sending us info about the sun that we had never had before. In 2014, the IRIS spacecraft revealed that the sun’s atmosphere is more complicated than we thought, with tornado-like formations to high-speed jets of material. Our sun is a wild place, folks!

You all have a great day!

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