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re: May 4th Severe Weather Threat Thread (Flash Flood Emergency - Birmingham & Hoover, Ala.)

Posted on 5/4/21 at 3:39 pm to
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 3:39 pm to
Gonna be tough telling wind from tornado damage with this line.
Posted by Boudreaux35
BR
Member since Sep 2007
21578 posts
Posted on 5/4/21 at 3:40 pm to
quote:

Are any of the storm chasers streaming?

I hope not in that mess.


Not that I would do it but isn't this type of weather what these guys and gals love? I mean you can't chase storms on a bluebird day.
Posted by GEAUXmedic
Premium Member
Member since Nov 2011
41598 posts
Posted on 5/4/21 at 3:43 pm to
That watch is farther south than I expected.
This post was edited on 5/4/21 at 3:44 pm
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 3:47 pm to
That's a whole lot of storm tracks.
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 3:49 pm to
quote:

Not that I would do it but isn't this type of weather what these guys and gals love? I mean you can't chase storms on a bluebird day.

Not really. There's no "chasing" a QLCS with high winds like this. It would just be "pick a random spot, let the line bowl you over, drive back through it, pick another spot, let the line bowl you over".

There aren't many great looking discreet cells forming in clear air for them to track and watch develop. It would be primarily chase just for the sake of the chase.
This post was edited on 5/4/21 at 3:52 pm
Posted by Duke
Twin Lakes, CO
Member since Jan 2008
35649 posts
Posted on 5/4/21 at 3:55 pm to
quote:

Not that I would do it but isn't this type of weather what these guys and gals love? I mean you can't chase storms on a bluebird day.



Chasing rain wrapped tornados in the trees, in the midst of flash flood potential rains and a severe wind event on-going with the line...

Not what I'd call a good day of chasing.
Posted by TulaneUVA
Member since Jun 2005
25921 posts
Posted on 5/4/21 at 4:03 pm to
Over near Airline and Pecue. The rain is coming down in two different directions. Never seen that before. The rain is coming in crossing paths
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 4:05 pm to
quote:

Over near Airline and Pecue. The rain is coming down in two different directions. Never seen that before. The rain is coming in crossing paths

Forrest, is that you?
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
16114 posts
Posted on 5/4/21 at 4:08 pm to
pretty serious flooding in Bham - they are considering a Flash Flood emergency
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 4:10 pm to
This shite has been training on that area for a while.
Posted by Duke
Twin Lakes, CO
Member since Jan 2008
35649 posts
Posted on 5/4/21 at 4:16 pm to


quote:

pretty serious flooding in Bham - they are considering a Flash Flood emergency


Quick overview from the WPC to show the factors coming together. There's a boundary (the dotted W to E running line) that all that southerly flow is lifting up over and raining out over Birmingham. Smaller scale feature causing a lot of trouble for Birmingham.

Unfortunately, the QLCS is yet to even roar through.
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
16114 posts
Posted on 5/4/21 at 4:16 pm to
yeah - makes me happy my apartment is on the top of a hill out 280 - no flooding here
Posted by LaBR4
Baton Rouge
Member since Sep 2005
51046 posts
Posted on 5/4/21 at 4:18 pm to
quote:

Over near Airline and Pecue. The rain is coming down in two different directions.


I was just over there around lunch time.



If the storm tracks are correct, a lot of this will go North of Baton Rouge
This post was edited on 5/4/21 at 4:22 pm
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 4:20 pm to
I was just about to say that the Birmingham Metro area doesn't want to see any more storms form South of that one near Moundville out in front of the line. Just a mess.
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
16114 posts
Posted on 5/4/21 at 4:20 pm to
yeah - i think we have the chance for borderline historic flooding when the main line gets here. the grounds here are very saturated - gonna be a lot of trees/lines down tonight
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 4:26 pm to
Northeast AL may end up in a similar situation as what is over Bham lifts their way, then the line moves through. They just had extensive Flash Flood Warnings expire, but may end up with more within the hour.
This post was edited on 5/4/21 at 4:26 pm
Posted by Bobby OG Johnson
Member since Apr 2015
25254 posts
Posted on 5/4/21 at 4:27 pm to
Spann is back on

https://abc3340.com/watch
Posted by Duke
Twin Lakes, CO
Member since Jan 2008
35649 posts
Posted on 5/4/21 at 4:27 pm to
quote:

yeah - i think we have the chance for borderline historic flooding when the main line gets here. the grounds here are very saturated - gonna be a lot of trees/lines down tonight


The one good thing is instability is going to be very limited over Birmingham tonight because of all the rain today and eventual lack of daytime heating. Surface based convection already appears to be shut down, the sounding from Birmingham tonight should confirm. That doesn't help with the frontal based rain though. That's not going to get cleared out until the line moves through.

The pine belt in southern Mississippi looks primed to take a punch as the line progresses. Current obs show party cloudy skies with temps getting into the 80s and juicy 70+ dews. Shear isn't rocking that hard, but will have stronger winds from aloft to pull down the farther north toward I20 you go.

Northshore too has this high CAPE brewing, but a little cloudier and farther from the upper disturbance should make the severe impacts a little less widespread I'd think.
This post was edited on 5/4/21 at 4:28 pm
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
16114 posts
Posted on 5/4/21 at 4:29 pm to
just got the EAS for Flash Flood Warning for where I am in Shelby County
Posted by LegendInMyMind
Member since Apr 2019
54888 posts
Posted on 5/4/21 at 4:31 pm to
quote:

Northshore too has this high CAPE brewing, but a little cloudier and farther from the upper disturbance should make the severe impacts a little less widespread I'd think.

We talking CAPE?
Two days running low CAPE saw storms go wild and High CAPE fizzled. I love it when some on WXTwitter post monster CAPE soundings or models only to see it do nothing. Mississippi said the other day, "We don't need no stinkin' CAPE!"
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