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

Posted on 5/4/21 at 11:56 am to
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 11:56 am to
That didn't take long. Strong couplet one frame, almost gone the next. I guess the definition of a spin-up, and an example of why the tornado probability is lower than the other severe modes.
Posted by LSUfanNkaty
LC, Louisiana
Member since Jan 2015
11092 posts
Posted on 5/4/21 at 12:02 pm to
I know its been asked but what radar app is that
Posted by deltaland
Member since Mar 2011
90475 posts
Posted on 5/4/21 at 12:02 pm to
I think the best tornado chances as far as anything more than a spin up in the line of storms will be anything slightly ahead or on the southern edge of the cluster when it crosses into MS and later AL. There is a lot of daytime heating and nothing to impede the energy here right now.
Posted by SATNIGHTS
Red Stick
Member since Jan 2008
2238 posts
Posted on 5/4/21 at 12:06 pm to
Radarscope
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:06 pm to
quote:

I know its been asked but what radar app is that


RadarScope
Posted by sta4ever
The Pit
Member since Aug 2014
15094 posts
Posted on 5/4/21 at 12:06 pm to
About to get real ugly in Ruston. Seems to be a spot where tornados spin up
Posted by sta4ever
The Pit
Member since Aug 2014
15094 posts
Posted on 5/4/21 at 12:09 pm to
How do you look for debris on RadarScope?
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:12 pm to
quote:

How do you look for debris on RadarScope?


Using Correlation Coefficient. You look for an area of lower return. But, it has to correlate with the location of the circulation on Velocity. You can't just find a low value in a storm and assume it is debris. It has to be in the same spot as the rotation couplet.
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:13 pm to
Warning NW of DeRidder has been canceled.
Posted by The Boat
Member since Oct 2008
164014 posts
Posted on 5/4/21 at 12:14 pm to
It's quiet now

It got loud as that cell passed through
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:18 pm to
Those of you who want to better understand radar and how to use it should check out the podcast Chaser Chat with Jeff Frame and Gabriel Harber. Specifically, listen to the December 3, 2020 episode on Radar. Jeff goes into detail on the different modes of radar and how to interpret what you see. It has a primary focus on RadarScope. It would be an hour well spent if you are interested.
Posted by pmacattack
Member since Oct 2016
6661 posts
Posted on 5/4/21 at 12:27 pm to
This is perfect for me as someone who enjoys following on RS app (and OT weather threads) but only have a casual understanding of the different radars. Thanks!
Posted by rt3
now in the piney woods of Pineville
Member since Apr 2011
141029 posts
Posted on 5/4/21 at 12:32 pm to
Nick Mikulas is headed to Glenmora to chase the storms
Posted by The Boat
Member since Oct 2008
164014 posts
Posted on 5/4/21 at 12:33 pm to
quote:

Those of you who want to better understand radar and how to use it

You rang?
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:33 pm to
quote:

This is perfect for me as someone who enjoys following on RS app (and OT weather threads) but only have a casual understanding of the different radars. Thanks!

Good deal. There is plenty of good info in other episodes. Some of it is more advanced, but start with the basics of radar, hodos/soundings, and models, and you will have a really good grasp of most severe weather setups.
This post was edited on 5/4/21 at 12:34 pm
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:35 pm to
quote:

You rang?

Dr. Jeff Frame is legit. He's a good follow on Twitter, too. You'd like that poscast.
Posted by LegendInMyMind
Member since Apr 2019
53555 posts
Posted on 5/4/21 at 12:36 pm to
If you want to get into the weeds, listen to the three parter on Failure Modes.
Posted by deltaland
Member since Mar 2011
90475 posts
Posted on 5/4/21 at 12:39 pm to
Gonna get dicey for me in a bit

Posted by TigerChief10
Member since Dec 2012
10858 posts
Posted on 5/4/21 at 12:40 pm to
I’m on the way to Farmerville coming from downsville right now and I can barely see anything. Leaves and limbs falling everywhere. This is getting pretty scary
Posted by deltaland
Member since Mar 2011
90475 posts
Posted on 5/4/21 at 12:41 pm to
Cell west of hazlehurst is looking healthy
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