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re: Deep South winter storm and arctic outbreak - Jan. 20-23 timeframe

Posted on 1/17/25 at 4:40 pm to
Posted by lsugolfredman
Member since Jun 2005
1941 posts
Posted on 1/17/25 at 4:40 pm to
18z GFS Ensemble Mean keeps upping the totals. Thats what you want to see.

Posted by deltaland
Member since Mar 2011
102633 posts
Posted on 1/17/25 at 4:53 pm to
quote:

I’m taking the fins off my water skis as soon as I get home. The levee will be perfect with a few inches of fresh powder.


I’m gonna need video of this
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
51688 posts
Posted on 1/17/25 at 4:55 pm to
For a lot of the Deep South, it’s going to be so cold that it won’t take much snow to start causing problems. Sort of like Snowmaggedon along the I-20 corridor in Alabama and Georgia in 2014. There was only 1 to 2 inches of snow, but it was crippling. For many places snow will begin to accumulate quickly.

I’ll also be honest, I would not be surprised to see at least some northward shift with the precip in places like Mississippi and Alabama.
This post was edited on 1/17/25 at 4:59 pm
Posted by Large Farva
New Orleans
Member since Jan 2013
8725 posts
Posted on 1/17/25 at 5:01 pm to
Do you mean this northward shift would decrease precipitation in places like New Orleans?
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
51688 posts
Posted on 1/17/25 at 5:03 pm to
quote:

Do you mean this northward shift would decrease precipitation in places like New Orleans?

No, not necessarily. I think the shield of precip could be larger and more expansive than it looks right now. That’s just a thought, though, not a prediction.
Posted by CollegeFBRules
Member since Oct 2008
25716 posts
Posted on 1/17/25 at 5:04 pm to
quote:

Do you mean this northward shift would decrease precipitation in places like New Orleans?


WAFB just ran the Euro at the 5:00 news and showed snow on Tuesday. Said the low is positioned in pretty much the perfect spot to give snow chances.
Posted by LaBR4
Baton Rouge
Member since Sep 2005
53880 posts
Posted on 1/17/25 at 5:05 pm to
quote:

Ginger Zee
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·
Growing chance of snow/wintry mix among the gulf coast next week… for some perspective:
· Houston, TX: last time 1” in 2021, last time 1”+ in 2008.
· New Orleans, LA: last time measurable snow 2009, last time 1”+ in 1963.
· Mobile, AL: last measurable snow 2018, last time 1”+ in 2014
· Tallahassee, FL: last measurable snow 2018, last time 1”+ in 1989
Posted by Suntiger
STG or BR or somewhere else
Member since Feb 2007
36212 posts
Posted on 1/17/25 at 5:17 pm to
What’s the Canadian prediction? I like poutine.
Posted by tiger91
In my own little world
Member since Nov 2005
40226 posts
Posted on 1/17/25 at 5:22 pm to
I’m all pink in this map.
Posted by VanRIch
Wherever
Member since Sep 2007
11767 posts
Posted on 1/17/25 at 5:40 pm to
At this point I don’t care what happens as long as we don’t lose power.
Posted by purple18
Lafayette
Member since Aug 2009
1772 posts
Posted on 1/17/25 at 5:49 pm to
quote:

Do you mean this northward shift would decrease precipitation in places like New Orleans?


The further south the low pressure tracks the more snow for areas south of I-10. The further north it tracks, the more ice and sleet areas south of I-10 gets.

The models are showing a stronger low pressure in the latest runs so that means increased amounts of precipitation.
Posted by lsugolfredman
Member since Jun 2005
1941 posts
Posted on 1/17/25 at 5:57 pm to
18z Euro holding steady


Posted by Byrdybyrd05
Member since Nov 2014
26542 posts
Posted on 1/17/25 at 6:03 pm to
Posted by S
RIP Wayde
Member since Jan 2007
172210 posts
Posted on 1/17/25 at 6:08 pm to
In cenla i think this would be our first legit snow since around December 2018. Had some in 2021 but it was probably half sleet accumulation.
Posted by Twincam
Member since Nov 2021
979 posts
Posted on 1/17/25 at 6:08 pm to
Damn central MS got taken off in that run.
Posted by DhanTigers212
Member since Dec 2014
10497 posts
Posted on 1/17/25 at 6:08 pm to
quote:

18z Euro holding steady


Posted by Mr Roboto
Seattle
Member since Jan 2023
8153 posts
Posted on 1/17/25 at 6:19 pm to
KLIX afternoon discussion:

Now onto the precipitation. A low pressure system will form over the
Gulf of Mexico on Monday and make its way northward before turning
east. We have seen quite a bit of model consensus over the last 12
hours. The last couple runs of both the GFS and Euro models have
shown more of an all snow, or mostly snow, solution. If you remember
yesterday we had about 3 scenarios that could play out and while the
other scenarios aren`t out of the question, snow probabilities have
been increasing. There is still a risk of a snow to freezing rain or
sleet transition for southern areas, which would bring major
impacts. Areas along the coast would be the most likely to see any
freezing rain or sleet. Probabilities of 1 inch of snow or greater
are around 40-50% for nearly the entire area and for 4 days out
those probabilities are rather high. Currently the most likely snow
accumulation is somewhere in the 1-3" range, with highest totals to
the NW. Winter Storm Watch/Warning criteria for our area is an inch
or greater, so that will be something that would need to be looked
into later in the weekend and on Monday.

Most areas will already have been very cold well in advance of the
precipitation if it falls, so knowing that if we do see
precipitation fall it is very likely to stick to roads right away.
Another big concern is the possibility of precipitation melting and
then refreezing on Wednesday/Thursday IF the existing precipitation
has not completely melted. Hazardous driving conditions are likely
on Tuesday and could linger into Wednesday and Thursday if we see
the refreezing become an issue.
Posted by DVinBR
Member since Jan 2013
15737 posts
Posted on 1/17/25 at 6:46 pm to
Posted by DVinBR
Member since Jan 2013
15737 posts
Posted on 1/17/25 at 6:52 pm to
snow is starting to pop up at the very end of the NAM 32km and NAM 12km runs
Posted by The Boat
Member since Oct 2008
177271 posts
Posted on 1/17/25 at 6:58 pm to
quote:

18z Euro holding steady

Team Euro for the SE Texas pounding
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