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re: Severe weather threat continues today for parts of the southeast - Threat is Over.

Posted on 3/15/21 at 3:45 pm to
Posted by HempHead
Big Sky Country
Member since Mar 2011
56520 posts
Posted on 3/15/21 at 3:45 pm to
He's probably loosening the suspenders as we speak.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
50761 posts
Posted on 3/15/21 at 3:47 pm to
They’re definitely sounding all of the alarm bells now.
Posted by catholictigerfan
Member since Oct 2009
59574 posts
Posted on 3/15/21 at 3:47 pm to
so what’s the timing on this? what time during the day on Wendesday?
Posted by HempHead
Big Sky Country
Member since Mar 2011
56520 posts
Posted on 3/15/21 at 3:47 pm to
Looks like there is already some activity hovering over JeffCo and Shelby right now.
Posted by HoLeInOnEr05
Middle of the fairway
Member since Aug 2011
16906 posts
Posted on 3/15/21 at 3:50 pm to
Hemp! What's up brother! You back in North Alabama?
Posted by HempHead
Big Sky Country
Member since Mar 2011
56520 posts
Posted on 3/15/21 at 3:51 pm to
Back and forth between God's country and Birmingham.
Posted by deltaland
Member since Mar 2011
100294 posts
Posted on 3/15/21 at 3:52 pm to
It’s stupid for enhanced risk to be milder than moderate risk. Should be other way around, enhanced sounds worse than moderate
Posted by deltaland
Member since Mar 2011
100294 posts
Posted on 3/15/21 at 3:53 pm to
Eastern MS and West Alabama will get the worst of it as they storms will roll through during the hot part of the day
Posted by deltaland
Member since Mar 2011
100294 posts
Posted on 3/15/21 at 3:55 pm to
quote:

thought the 30% was something along the lines of reasoning that there is a 30% chance of a severe weather event, thunderstorm or tornado, that will occur within so many miles of any particular location.


It is. Mostly because severe supercells are isolated events so you could have a tornado outbreak all over your state but not get within 50 miles of a severe storm.
Posted by Bestbank Tiger
Premium Member
Member since Jan 2005
79039 posts
Posted on 3/15/21 at 3:57 pm to
quote:

But PeeJ said.... nothing to worry about


Wanna make something of it PUNK,,,,,,,,?
Posted by LegendInMyMind
Member since Apr 2019
71447 posts
Posted on 3/15/21 at 4:01 pm to
Interesting latest run on CAPE. I didn't expect to see those values so far south. I expected that more over Central MS/AL.
Posted by dukke v
PLUTO
Member since Jul 2006
216049 posts
Posted on 3/15/21 at 4:02 pm to
When did I say this????
Posted by Bestbank Tiger
Premium Member
Member since Jan 2005
79039 posts
Posted on 3/15/21 at 4:05 pm to
What do the numbers on the bottom mean?
Posted by Pettifogger
I don't really care, Margaret
Member since Feb 2012
85873 posts
Posted on 3/15/21 at 4:05 pm to
quote:

It’s stupid for enhanced risk to be milder than moderate risk. Should be other way around, enhanced sounds worse than moderate



They're guarding against AI and computers fully taking over

They have to be around to explain why slight actually means "kind of bad", enhanced is "pretty bad" and "moderate" means "you might be legit fricked"
Posted by LegendInMyMind
Member since Apr 2019
71447 posts
Posted on 3/15/21 at 4:05 pm to
CIPS Analog Threat Guidance has shifted it a bit further to the South, too.


Posted by deltaland
Member since Mar 2011
100294 posts
Posted on 3/15/21 at 4:05 pm to
quote:

The STP on their radar system provided the STP for specific storms. It was supposed to be a 0-10 scale. When the first severe storm of that afternoon popped over Walker County, AL (this would ultimately produce the Cullman EF-4 tornado), they looked at the STP on the storm (which wasn’t even tornado warned yet), and it was 12.6. They were blown away.


The storms produced by that outbreak were something.

Here is a pic of all the warnings from that system


Posted by LegendInMyMind
Member since Apr 2019
71447 posts
Posted on 3/15/21 at 4:07 pm to
quote:

What do the numbers on the bottom mean?



CAPE is essentially a measure of potential energy available in the atmosphere for a storm. The higher number/brighter the color, the more available potential energy you have for storms to draw on.
Posted by LegendInMyMind
Member since Apr 2019
71447 posts
Posted on 3/15/21 at 4:11 pm to
Similar placement on the CIPS analog severe probability map.

Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
50761 posts
Posted on 3/15/21 at 4:17 pm to
Their afternoon forecast discussion is a bit too complicated for posting here, but the National Weather Service in Birmingham discussed the possibility for three rounds of severe weather across Alabama on Wednesday: storms that form along a northward moving warm front Wednesday morning, discrete cells that form during the midday and afternoon, and then the storms ahead of the actual cold front.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
50761 posts
Posted on 3/15/21 at 4:20 pm to
quote:

They're guarding against AI and computers fully taking over

It’s really more of a matter of the fact that the categories of slight, moderate and high already existed and then they added marginal and enhanced but didn’t want to create confusion by removing or changing the other categories. You have to remember, many people can’t even point to their location on a map, so if you change the categories they’re used to, they will be lost.
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