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

Posted on 1/20/25 at 7:51 pm to
Posted by BOSCEAUX
Where the Down Boys go.
Member since Mar 2008
52384 posts
Posted on 1/20/25 at 7:51 pm to
All the Apps have changed timing for me in Calcasieu. Heaviest snow was supposed to start at 6 AM now it’s 2 AM
Posted by sledgehammer
SWLA
Member since Oct 2020
7141 posts
Posted on 1/20/25 at 7:51 pm to
Sure it’s not volcanic ash?
Posted by jaytothen
Member since Jan 2020
8673 posts
Posted on 1/20/25 at 7:51 pm to
quote:


Is moisture more abundant than previously thought??


Definitely seems to be
Posted by BOSCEAUX
Where the Down Boys go.
Member since Mar 2008
52384 posts
Posted on 1/20/25 at 7:51 pm to
quote:

College Station finally starting to get some sleet and a few flurries


That’s good news it’s that far North.
Posted by CatholicLSUDude
Member since Aug 2018
1036 posts
Posted on 1/20/25 at 7:51 pm to
quote:

Can we get an expert to chime in on the timing of this thing? As of a few hours ago we weren’t supposed to get anything until about 3-4:00 AM. Now, TWC says snow possible in BR by 9:30


I second this.

Now that we see precip forming, do the people who understand weather have an opinion about what it means for reality versus the forecasts?
Posted by RanchoLaPuerto
Jena
Member since Aug 2023
2140 posts
Posted on 1/20/25 at 7:52 pm to
I thought the 18z GFS showed some snow as early as midnight.
Posted by Mr Roboto
Seattle
Member since Jan 2023
8153 posts
Posted on 1/20/25 at 7:54 pm to
Your hourly snow chance is likely increasing because of Virga. The atmosphere still needs some time to moisten in Baton Rouge
Posted by Cleary Rebels
Member since Oct 2024
2899 posts
Posted on 1/20/25 at 7:54 pm to
Nah, no white shrimp boots brah -
Posted by LSUJuice
Back in Houston
Member since Apr 2004
18049 posts
Posted on 1/20/25 at 7:55 pm to
Temps here are still in the mid 30s. So the precip is nice and all, but still some work to be done.
Posted by buford4LSU
Thibodaux, LA
Member since Jan 2008
2640 posts
Posted on 1/20/25 at 7:55 pm to
Sleeting in thibodaux confirmed
Posted by lsugolfredman
Member since Jun 2005
1941 posts
Posted on 1/20/25 at 7:56 pm to
NAM rolling in sharing the love with Ellic and SW MS, compared to prior runs

Bodes well for SELA with a massive precip shield sliding southeast, here ya go...

This post was edited on 1/20/25 at 7:59 pm
Posted by TDsngumbo
Member since Oct 2011
50640 posts
Posted on 1/20/25 at 7:56 pm to
quote:

Your hourly snow chance is likely increasing because of Virga. The atmosphere still needs some time to moisten in Baton Rouge

There are reports all over Houma, Thibodaux of sleet and flurries in Pierre Part. That aint all virga, baw.
Posted by RanchoLaPuerto
Jena
Member since Aug 2023
2140 posts
Posted on 1/20/25 at 7:57 pm to
quote:

Bodes well for SELA


Meaning more snow or less?
Posted by BOSCEAUX
Where the Down Boys go.
Member since Mar 2008
52384 posts
Posted on 1/20/25 at 7:58 pm to
I’d be interested in seeing that NAM run
Posted by bapple
Capital City
Member since Oct 2010
12229 posts
Posted on 1/20/25 at 7:58 pm to
quote:

wet snow accumulating in trees can cause some issues



Well yes but isn't this largely supposed to be powdery snow?

I expect there to be some outages but I wouldn't expect anything widespread like we experience with a hurricane or squall line.
Posted by TDsngumbo
Member since Oct 2011
50640 posts
Posted on 1/20/25 at 8:00 pm to
quote:


I’d be interested in seeing that NAM run


Funny you should ask... it's coming in MUCH more than the previous run. 4" in Baton Rouge by 11:00am already. Previous run had less than 3" at the same time.

Edit: 6" for me by noon

Edit: 8" by 1:00

3rd Edit: 9" by 2:00

4th Edit: 10" by 3:00




This post was edited on 1/20/25 at 8:05 pm
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
51688 posts
Posted on 1/20/25 at 8:00 pm to
For Alabama folks, the NAM looks to have the shield of expanded a bit further north tomorrow than previous runs. Interesting. Not a major shift, but a little one.
This post was edited on 1/20/25 at 8:03 pm
Posted by VCeagle2013
Member since Apr 2013
333 posts
Posted on 1/20/25 at 8:01 pm to
NAM
Posted by Shoulderchoke
Swamps of Lafourche
Member since Aug 2008
7970 posts
Posted on 1/20/25 at 8:03 pm to
quote:

Sleeting in thibodaux confirmed


Sleeting a good bit in Chackbay
Posted by msutiger
Houston
Member since Jul 2008
71995 posts
Posted on 1/20/25 at 8:04 pm to
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