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re: No severe weather thread today?

Posted on 6/14/23 at 3:17 pm to
Posted by Bobby OG Johnson
Member since Apr 2015
25001 posts
Posted on 6/14/23 at 3:17 pm to
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:18 pm to
quote:

I’m supposed to be driving from Birmingham to orange beach this afternoon/night. Should I just hold off till the morning?

If it isn't a huge inconvenience that may not be the worst idea. Weather is gonna suck, and it is going the same direction you're going. Or, you may be able to work it where you ride behind the storms the entire way.
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:19 pm to
That north Louisiana storm is back to meaning bidness. Nasty, nasty. This will be going just south of Monroe near Columbia and Clarks. This storm is warned for softball sized hail now, along with 70mph winds.

And the storm at Kosciusko is probably our biggest wind right now.
This post was edited on 6/14/23 at 3:28 pm
Posted by deltaland
Member since Mar 2011
90718 posts
Posted on 6/14/23 at 3:33 pm to
I feel like they’re way looser these days on the parameters for a PDS than they used to be
Posted by Bobby OG Johnson
Member since Apr 2015
25001 posts
Posted on 6/14/23 at 3:34 pm to
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:37 pm to
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:38 pm to
quote:

I feel like they’re way looser these days on the parameters for a PDS than they used to be

Different ball game when you start talking PDS severe thunderstorms and potential derechos. Add in a sort of hybrid setup with a broken line with embedded 80mph winds and very large hail, and they're going to issue them.
This post was edited on 6/14/23 at 3:39 pm
Posted by Bobby OG Johnson
Member since Apr 2015
25001 posts
Posted on 6/14/23 at 3:40 pm to
Low Res Group energy gif

Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:43 pm to
Outflow boundaries, gravity waves, cell mergers, and all the lightning. Good find, Bobby!
Posted by The Ramp
Baton Rouge, LA
Member since Jul 2004
12205 posts
Posted on 6/14/23 at 3:43 pm to
My jeep has no AC. I have an inverter that works my table fan in my passenger seat which does a great job. The inverter over-heated. Now I'm really hot. Stupid heat
Posted by Zapps4Life
Houston
Member since May 2016
286 posts
Posted on 6/14/23 at 3:44 pm to
quote:

I feel like they’re way looser these days on the parameters for a PDS than they used to be


Well, given the storm environment and structure already seen today I would say the PDS wording is spot on...

Current MLCAPE




EHI

The Energy Helicity Index (EHI) is a number which represents the combination of instability and storm relative helicity. Our calculation uses mixed layer CAPE (surface to 3000ft average parcel) and 0-3 km storm relative helicity. Values greater than 2 or 3 have been correlated to cyclonic supercells with increased tornadic potential. Negative values are indicative of an environment favorable for anti-cyclonic (left moving) supercells, but tornadoes associated with anti-cyclonic supercells are extremely rare.

Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 3:46 pm to
quote:

Current MLCAPE

Modeled soundings verified on CAPE this time. If anything, they undershot it a bit.
Posted by Zapps4Life
Houston
Member since May 2016
286 posts
Posted on 6/14/23 at 3:50 pm to


Downdraft CAPE, or DCAPE, is the maximum energy available to a descending parcel of air. The higher the value of DCAPE, the stronger the downdraft potential. Values of DCAPE greater than 800 joules/kilogram (J/kg) are decent values, while values exceeding 1200 J/kg are very high.

Posted by Bobby OG Johnson
Member since Apr 2015
25001 posts
Posted on 6/14/23 at 3:51 pm to
quote:

My jeep has no AC. I have an inverter that works my table fan in my passenger seat which does a great job. The inverter over-heated. Now I'm really hot. Stupid heat





quote:

The Ramp

Posted by East Coast Band
Member since Nov 2010
62817 posts
Posted on 6/14/23 at 3:54 pm to
I was driving this morning at 5 AM around Birmingham/ Tuscaloosa and it was some of the hardest rain I've driven through. Pretty sure there may have been some small hail, but that may have been just big drops of rain bouncing off the asphalt. I could only drive about 35 or so. Thankfully, there was no other traffic, especially 18 wheelers at the time.
Posted by Bobby OG Johnson
Member since Apr 2015
25001 posts
Posted on 6/14/23 at 4:00 pm to
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 4:07 pm to
That storm has cleared Monroe. Still warned for softballs. That's been a hell of a storm.
Posted by Fred innocent
Member since May 2023
314 posts
Posted on 6/14/23 at 4:08 pm to
So what
Posted by LegendInMyMind
Member since Apr 2019
54427 posts
Posted on 6/14/23 at 4:10 pm to
Look at Fred. Fred's a badass. Fred wants you to know he's a badass. Fred gets his jollies from being a badass on a message board.
Posted by deltaland
Member since Mar 2011
90718 posts
Posted on 6/14/23 at 4:17 pm to
Am I clear for the rest of the night or is there another round going to build up?
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