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NorthGeorgiaWX

Thursday, February 20

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6 minutes ago, TheSimpleMan said:

What does that mean?

As that low strengthens, it will increase the pressure gradient which will aid in pulling in colder air. But the cold air is trying to catch the precip... and the race is on. 🙂

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Got sent on an errand before the roads started getting bad, and just the small elevation drop from my area in Tiger to Clayton is making a huge difference. Nearing a qtr to a half inch in grassy areas at home and 33 degrees. Clayton is at 35 with nothing sticking at all. 

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2 minutes ago, NorthGeorgiaWX said:

As that low strengthens, it will increase the pressure gradient which will aid in pulling in colder air. But the cold air is trying to catch the precip... and the race is on. 🙂

Woohoo! Thank you for educating me 🙂

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Update from Atlanta NWS

Quote

As far as winter weather is concerned...
Temperatures across N GA have been holding fairly steady in the
mid to upper 30s. We are expecting the temps to begin to fall over
the next few hours with the rain turning into a rain snow mix...
then all snow as the precip exits the area. The back edge of the
precip has already moved into NW AL and is expected to continue
pushing SE through tonight.

Expecting the back edge to push into NW GA right around sunset and
through the ATL metro area by 1 to 3am. Expecting to see some mixed
precip as far south as a Newnan to Eatonton line but not expecting
any accumulations outside of the NE GA counties.

Please see the Winter weather advisory (WSWFFC).

 

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3 minutes ago, NorthGeorgiaWX said:

As that low strengthens, it will increase the pressure gradient which will aid in pulling in colder air. But the cold air is trying to catch the precip... and the race is on. 🙂

What the chance the low moving more Northeast vs east? Letting more moisture move in.

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3 minutes ago, KingOfTheMountains said:

Got sent on an errand before the roads started getting bad, and just the small elevation drop from my area in Tiger to Clayton is making a huge difference. Nearing a qtr to a half inch in grassy areas at home and 33 degrees. Clayton is at 35 with nothing sticking at all. 

Thanks for the info.

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5 minutes ago, NorthGeorgiaWX said:

As that low strengthens, it will increase the pressure gradient which will aid in pulling in colder air. But the cold air is trying to catch the precip... and the race is on. 🙂

Date range?

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I’m supposed to take my kids from Paulding up to Canton for a weekly gaming group tonight. We’re usually there from 6-9pm or so. With the latest info, should I have any concerns about the drive home?

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13 minutes ago, kshields8426 said:

Date range?

That has to do with the current low, will start looking at our next chance tomorrow. 

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8 minutes ago, inlovewithwords said:

I’m supposed to take my kids from Paulding up to Canton for a weekly gaming group tonight. We’re usually there from 6-9pm or so. With the latest info, should I have any concerns about the drive home?

Ok, THESE are 10 PM temps. I've been up since 3 AM so I get a little foggy... 🙂

nam-nest-conus-atlanta-t2m_f-2254000.thumb.png.b8a2a2182fa1d32f8626b0f0b90a655a.png

hrrr-conus-atlanta-t2m_f-2254000.thumb.png.e13014dce1f879386079d8986703ebd3.png

 

 

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Lake Effect Snow!!!

NWS Atlanta:

Finally, there are a few weather model solutions that suggest some
light snow is possible overnight in the Atlanta metro due to cold
air rushing over the warmer Lake Lanier.
There is low chance of
this occurring and any accumulations if at all would be very
light.
 

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5 minutes ago, stevepolychronopolous said:

Go ahead just 6 & 12 more hours:

image.thumb.png.849cf0338e5ba2321a20317a6532d081.png

image.thumb.png.5397fb09a0e0976cab346b5c576e9497.png

Do areas outside extreme North GA and the mountains MIGHT seem accumulation late tonight?

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Quote

Colder air will rush in behind the precipitation with temperatures
dropping below freezing shortly after midnight for the far
northern sections and the Atlanta metro sections a few hours
later.
Winds will aid in drying roads but any residual water on
area roadways could result in black ice. With the abundant
rainfall over the last few weeks, there will be a higher than
normal chance of black ice conditions especially where water flows
through the higher elevations and across roadways. This will
create hazardous driving conditions where it does occur through
the rush hour Friday morning.

 

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2 minutes ago, NorthGeorgiaWX said:

Lake Effect Snow!!!

NWS Atlanta:

Finally, there are a few weather model solutions that suggest some
light snow is possible overnight in the Atlanta metro due to cold
air rushing over the warmer Lake Lanier.
There is low chance of
this occurring and any accumulations if at all would be very
light.
 

What? Has this happened before? 

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1 minute ago, Tori said:

Do areas outside extreme North GA and the mountains MIGHT seem accumulation late tonight?

That event is the next one we'll start talking about tomorrow. 🙂 

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1 minute ago, Preston said:

What? Has this happened before? 

I do not recall any real lake effect snows from Lanier. I need to find out. 

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