Weather wording

Polar vortex, the term used for a cold air heading south from the polar regions, has become a popular and probably overused term.

It has birthed all kinds of jokes and terms using the new cool word, vortex.

Veteran weathermen have a more common and more easily understood word.

It's called winter.

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lachowsj
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lachowsj 01/18/14 - 09:41 am
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Favorite weather term

Polar vortex is good. But my all time favorite weather term is still "trough aloft."

Budnmud
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Budnmud 01/18/14 - 11:08 am
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How about

The upper level low...

conwaygerl
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conwaygerl 01/19/14 - 01:41 pm
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I like

Rear flank downdraft and virga

Damon Poole
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Damon Poole 01/19/14 - 03:49 pm
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Weather Wording

You folks are all talking about the same thing. Low Pressure. Call it, Polar Vortex, Trof Aloft, Upper level low, it's all the same, a low pressure storm system. BTW, Conwaygerl, talking about Rear Flank Downdrafts, in a supercell thunderstorm, one capable of developing a mesocyclone, (which is, itself, a low pressure system in a severe storm that a tornado develops from), the rear flank downdraft is drier air coming down out of the storm behind the mesocyclone. Sometimes, this downdraft gets wrapped into the mesocyclone, and can kill off a tornado by cutting off moisture and unstable air from coming up into the storm. BTW, David, vortex is a term more technically associated with tornadoes, which has been around since about the 1960's as tornado research has developed. A vortex is a spinning area of low pressure, and some tornadoes can have multiple vortices spinning around inside the same funnel. These mini circulations can give the illusion that a tornado is skipping along its path, damaging one house, but skipping the next. Virga is not low pressure, it is simply precipitation, (rain, snow, etc.), that falls through dry air aloft, and evaporates before it reaches the ground. Just a little technical information from a veteran storm spotter, and weatherman.

David McCollum
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David McCollum 01/19/14 - 04:38 pm
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Thanks for the technical

Thanks for the technical info. Low pressure generally in winter; high pressure in summer, right? Now, I know why I'm not a meterologist. But I admire those who are because they can be really informative. I've always been fascinated with how tornadoes seems to skip. You explained it.

Damon Poole
90
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Damon Poole 01/20/14 - 11:25 am
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You're welcome, David, no

You're welcome, David, no problem. Highs and lows are always there year round and the fluctuation back and forth between them is why we get the various changes in our weather, including tornadoes. Glad I was able to help clarify.

Stella3
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Stella3 01/21/14 - 09:41 pm
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mikeng1994
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mikeng1994 01/22/14 - 09:02 am
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lets not for get "Raining

lets not for get "Raining Cats and Dogs." I swear with all the strays up around Mount Pleasant Road, it does that 4 days a week.

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