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re: Multi-day Severe Weather Threat: 3/23-3/24

Posted on 3/23/23 at 8:09 am to
Posted by NorthEndZone
Member since Dec 2008
11271 posts
Posted on 3/23/23 at 8:09 am to
15% Tornado area and a hatched Wind area

Paging TheBoat...



This post was edited on 3/23/23 at 8:11 am
Posted by LegendInMyMind
Member since Apr 2019
53407 posts
Posted on 3/23/23 at 11:27 am to
quote:

I’m glad the bulk of the threat will be during the middle of the night for north & central Alabama. It makes spotting difficult, but at least we will have lost daytime heating by the time things move through here.

I think you're in for another one of those nights of holding your breath as strong storms approach the state line.

The LLJ will be a little late to get going, but by 10/11pm we have a 60-70kt LLJ draped from southern MS up to KY. Also, the way the trough is trending isn't great. It kind of develops split flow over north MS that will help shear. At 700mb you can see some little kinks or shortwaves that will probably be all the forcing needed to get cells firing. This looks and feels like a Springtime setup.

For north AL folks it looks like we will have a pretty potent late night/early morning line roll through.
Posted by LSUGrrrl
Frisco, TX
Member since Jul 2007
32756 posts
Posted on 3/23/23 at 12:28 pm to
Is DFW out of the woods now? Cloudy and humid all morning and sun just came out blazing. Made me nervous until I saw that we now aren’t expecting anything to move in until 3:00 am now.
Posted by OSoBad
Member since Nov 2016
2007 posts
Posted on 3/23/23 at 12:53 pm to
Posted by LegendInMyMind
Member since Apr 2019
53407 posts
Posted on 3/23/23 at 1:09 pm to
quote:

Is DFW out of the woods now?

Probably. The better threat and timing is West of DFW. They could see big hail, and with the latest SPC update a 5% tornado probability. That threat is centered right over Pedro in Wichita Falls.
Posted by tide06
Member since Oct 2011
11108 posts
Posted on 3/23/23 at 1:10 pm to
Man that stretch from Natchez to Greenville to Memphis has been getting worked this spring.

Is this the 3rd or 4th round where they’ve been in the bullseye for a late winter/early spring setup?
Posted by LSUGrrrl
Frisco, TX
Member since Jul 2007
32756 posts
Posted on 3/23/23 at 1:44 pm to
Thanks
Posted by The Boat
Member since Oct 2008
163989 posts
Posted on 3/23/23 at 2:47 pm to
18z hrrr doing its best fv3 impression

Posted by LegendInMyMind
Member since Apr 2019
53407 posts
Posted on 3/23/23 at 3:08 pm to
The MOD area is looking better and better. Farther south may have some issues with sustaining.
Posted by Areddishfish
The Wild West
Member since Oct 2015
6271 posts
Posted on 3/23/23 at 3:09 pm to
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
15873 posts
Posted on 3/23/23 at 3:16 pm to
LOL she is too Booga - those 3 are the vast majority of hers.

also -
quote:

Planning on spending the day at Seaworld with the kids.
seems like a Euphemism for going to Walmart
Posted by HeadSlash
TEAM LIVE BADASS - St. GEORGE
Member since Aug 2006
49460 posts
Posted on 3/23/23 at 3:37 pm to
Posted by pwejr88
Red Stick
Member since Apr 2007
36129 posts
Posted on 3/23/23 at 3:58 pm to
I heard EBR Schools are closing.



Kidding. Just practicing.
Posted by trussthetruzz
Marquette, MI
Member since Sep 2020
9236 posts
Posted on 3/23/23 at 4:45 pm to
quote:

Farther south may have some issues with sustaining.

baton rouge gonna get it bad?
Posted by LegendInMyMind
Member since Apr 2019
53407 posts
Posted on 3/23/23 at 4:53 pm to
quote:

baton rouge gonna get it bad?

Nah. Probably just some showers and breezy.
Posted by questionable
FL
Member since Apr 2008
1012 posts
Posted on 3/23/23 at 5:37 pm to
quote:

18z hrrr doing its best fv3 impression


Please explain like I’m 5.
Posted by notiger1997
Metairie
Member since May 2009
58069 posts
Posted on 3/23/23 at 5:44 pm to
quote:

Nah. Probably just some showers and breezy.


And for sure someone from the BR area will show up in this thread calling this a bust. LOL
Posted by 0x15E
Outer Space
Member since Sep 2020
12563 posts
Posted on 3/23/23 at 5:45 pm to
Ahh Dan Pope.

What a Pacific Northwest Treasure that guy was.
Posted by deltaland
Member since Mar 2011
90404 posts
Posted on 3/23/23 at 6:39 pm to
Any chance we see a high risk or a 30% tornado hatched area? Seems like if we get enough moisture convergence to create forcing it could get bad. From what I understand this is the only ingredient that may be weaker and hinder stronger long track tornado potential
This post was edited on 3/23/23 at 7:03 pm
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
42019 posts
Posted on 3/24/23 at 5:41 am to
SPC has not gone with a high risk yet, though I’ve seen some speculation that they might upgrade to one later this morning. We’ll see.

They included this rather ominous wording about the current moderate risk area in their overnight update:
quote:

Across southeast Arkansas, northern Louisiana, and northwest Mississippi, a more volatile environment will develop Friday evening/early overnight. More discrete convection is anticipated on the southern periphery of the aforementioned QLCS. The more discrete mode, combined with greater instability and strong shear should allow for multiple supercells to develop across northern Louisiana and southern Arkansas and move northeastward. Low-level hodographs are very favorable in this region with 0-500m SRH around 200 m2/s2 and 0-1km SRH 300+ m2/s2. Therefore, any sustained supercells will be capable of producing strong to intense (EF3+) tornadoes, with long-track tornadoes possible with any longer-lived, undisturbed supercells.

This post was edited on 3/24/23 at 5:42 am
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