Baldwin’s Wx Blog for Feb. 28

Let it snow, again!

Today

Weather Headlines

A snowy Friday

A nice weekend!

Heavy rainfall and thunderstorms for next week

Main threats

Be careful on area roads this morning. Snow is coming down pretty good at this time, which could cause slick spots.

Another round of light snow is expected this evening and tonight. This, too, could cause some slick roadways.

Heavy rainfall next week will lead to flooding concerns. At least 4-6 inches of rain is possible through the week. Some of you could see more than that.  Pictured below is the outlook for total rainfall over the next week. Look familiar?

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Summary

Let it snow! Some of those flakes are huge this morning here in Crossville! Enjoy the snow but be careful if you’re out driving in it.

This snow will taper off as we get closer to the noon hour. Temps will also be slowly rising a few degrees above freezing. That should lead to better road conditions for our Friday afternoon. Anything you can put off until afternoon should be put off until then.

Another round of light snow will arrive this evening and overnight (after 4:00 pm.). Up to one half inch of accumulation is possible from that round, with many of us likely getting a dusting or so. I’ll update those totals as the day goes along, but that system looks more moisture starved and it’s a quick mover. At this time, the NWS Nashville does not anticipate even issuing a winter weather advisory for this second system. I’ll let you know if that changes.

Then, we’re all set for a nice weekend. Get out and enjoy it if you can because much of next week is looking ugly.

Rain will develop by Monday and become heavier and more widespread as we head into Tuesday and Wednesday. Several inches of rain is likely, along with thunderstorms. Some storms could be on the strong side. I’ll keep an eye on that.

Almanac

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Baldwin’s 7-Day forecast

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Wx Hazards Across the Nation

Winter weather advisories are in place for parts of Washington state. Further south, wind and blowing dust advisories are in place for parts of Nevada. Winter storm watches cover southeastern Wyoming. In the Southeast, numerous streams remain under flood advisories. That will worsen next week. Meanwhile, light snow is prompting winter weather advisories and winter storm warnings for portions of the southern Appalachians and Cumberland Plateau region of TN. Lake-Effect snow is causing winter storm warnings in the Northeast.

WARN_NAT_PSN (1)

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Records

The first February tornado to ever be recorded in Nebraska struck on this date in 2012. The EF-0 struck Lincoln and Logan Counties. The tornado traveled for three miles and lasted six minutes. The twister hit mainly open rangeland, so little to no damage resulted. There was still patches of snow on the ground from a previous winter weather event.

It is quite unusual for tornado activity to occur that far north this time of year. Severe weather seasons are often distinct across the plains, with the southern plains getting the bulk of theirs in April and May, and the northern plains getting theirs in May, June and even into July. It is very unusual to see severe weather outside those months in those regions. So, while tornadoes are well know across the plains, their seasons are well defined.

Contrast that with the South, where we worry about bad storms year round.

Friday Weather Funny

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NASA News

Here’s an odd bit of NASA news. On February 19th astronomers spotted an object the size of a car moving quickly across the sky. As it turns out, this object has been going around earth for the past three years! It is most likely an asteroid caught by Earth’s gravity. It’s like a mini moon. Literally.

This is the second mini moon to be discovered. The last one was in 2006. It finally escaped our gravitational pull the next year.

This new mini moon circles us about once every 47 days on a very wide, oval shaped course.

Don’t get too attached. Astronomers predict that this one will fling itself out by April.

Looks like it would just kick of its shoes and stay awhile, right?

News

On Tuesday, a winter storm did something a little strange in Kansas. It produced a swath of snow that was only 10-15 miles wide. The snow inside the swath was over a foot deep! Just outside the swath the only thing reported was snow flurries.

This is why snow forecasts give us headaches. (ha) By the way, this is why there are whole meteorology courses devoted to mesoscale (localized) meteorology!

Pictured below is visible satellite imagery that I saved yesterday, showing that narrow swatch of snow across central Kansas. Remember, clouds move and snow doesn’t. Pretty neat, right?

sat_conuselcc_halfkm_color_20200227_1921

A passenger (Leigh Marts) in a plane flying over the area took this picture of the snow. How wild is that?

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You all have a great day!

7day

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