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A map of every tornado emergency ever issued

Posted on 4/19/21 at 11:43 am
Posted by When in Rome
Telegraph Road
Member since Jan 2011
35540 posts
Posted on 4/19/21 at 11:43 am
Thought the weather nerds might be interested to see this:

Tweet
quote:

A tornado emergency is an extremely rare event. Here's a map of each one that has been issued.




Note:
quote:

I might have missed a few polygons. The IEM page with tornado emergencies is based on the TE wiki page so there may be some discrepancies, especially from warnings in the early 2000s when there was no standardized definition
This post was edited on 4/19/21 at 11:45 am
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 4/19/21 at 11:44 am to
nb4 The Boat
Posted by Aubie Spr96
lolwut?
Member since Dec 2009
41103 posts
Posted on 4/19/21 at 11:45 am to
Alabama for the MFing win!


In all seriousness, I'm not sure why anyone would live in a line from Tuscaloosa to Gardendale. That area is a tornado magnet.
Posted by The Boat
Member since Oct 2008
164112 posts
Posted on 4/19/21 at 11:45 am to
Dixie Alley (RIP name someday soon) doing work
Posted by Eat Your Crow
caught beneath the landslide
Member since May 2017
9190 posts
Posted on 4/19/21 at 11:48 am to
Do places like Oklahoma and Kansas not have as many "emergencies" because they are more apt to handle tornadoes?
Posted by UndercoverBryologist
Member since Nov 2020
8077 posts
Posted on 4/19/21 at 11:50 am to
I know the reputation of the Southern tornado alley is severely underrated, but I still would have thought there would be a lot more orange in the Plains states.
Posted by Hawgeye
tFlagship Brothel
Member since Jun 2009
30974 posts
Posted on 4/19/21 at 11:51 am to
quote:

Do places like Oklahoma and Kansas not have as many "emergencies" because they are more apt to handle tornadoes?



No. Tornado emergency is issued when they expect mass casualty, significant damage, etc. That map basically reflects EF4-EF5 paths.

While Oklahoma gets its fair share of danger noodles, a lot are of the smaller variety outside of the OKC metro.
Posted by WDE24
Member since Oct 2010
54132 posts
Posted on 4/19/21 at 11:52 am to
quote:

more apt to handle tornadoes?
I got to hear this... how is does a place become more apt to handle tornadoes such that it reduces the number of emergencies?
Posted by LegendInMyMind
Member since Apr 2019
53911 posts
Posted on 4/19/21 at 11:52 am to
I saw that Tweet earlier. The population density of AL compared to Oklahoma and the Plains states makes all the difference in the world.
Posted by Centinel
Idaho
Member since Sep 2016
43334 posts
Posted on 4/19/21 at 11:53 am to
quote:

While Oklahoma gets its fair share of danger noodles, a lot are of the smaller variety outside of the OKC metro.


Along with this, North Alabama has much higher population densities than Oklahoma and Kansas.

Posted by When in Rome
Telegraph Road
Member since Jan 2011
35540 posts
Posted on 4/19/21 at 11:53 am to
From what I understand, Tornado Alley gets a higher frequency of tornadoes (more quantity), whereas the Alabama/Mississippi area gets larger, more destructive tornadoes (for which tornado emergencies are issued).
Posted by dawgfan24348
Member since Oct 2011
49262 posts
Posted on 4/19/21 at 11:54 am to
The difference in Georgia and Alabama is insane
Posted by Easye921
Mobile
Member since Jan 2013
2344 posts
Posted on 4/19/21 at 11:54 am to
When was the Mobile Co tornado emergency?
Posted by UndercoverBryologist
Member since Nov 2020
8077 posts
Posted on 4/19/21 at 11:55 am to
I get it now. Less stuff to destroy out there, more double wides to destroy in Alabama. Gotcha.
Posted by Hawgeye
tFlagship Brothel
Member since Jun 2009
30974 posts
Posted on 4/19/21 at 11:55 am to
quote:

Along with this, North Alabama has much higher population densities than Oklahoma and Kansas.


I’m not sure about that. The Tulsa Metro is in a hot alley for tornado activity as is the OKC Metro area.
Posted by LegendInMyMind
Member since Apr 2019
53911 posts
Posted on 4/19/21 at 11:55 am to
quote:

Do places like Oklahoma and Kansas not have as many "emergencies" because they are more apt to handle tornadoes?

No. Look at a population density map of Oklahoma, then look at one of Alabama. Outside of Southwestern AL, you can't drive 20 miles from any town without running into another town of decent size. Alabama has metro areas evenly spread across the state. Oklahoma has the majority of its population in just a few cities.
This post was edited on 4/19/21 at 11:57 am
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
65697 posts
Posted on 4/19/21 at 11:55 am to

Looks like Moore 1999 was the first
Posted by LegendInMyMind
Member since Apr 2019
53911 posts
Posted on 4/19/21 at 11:57 am to
quote:

Looks like Moore 1999 was the first

Yep. Gary England and the NWS crew did it on the fly, too.
Posted by Eat Your Crow
caught beneath the landslide
Member since May 2017
9190 posts
Posted on 4/19/21 at 11:58 am to
quote:

I got to hear this... how is does a place become more apt to handle tornadoes such that it reduces the number of emergencies?

They have basements and shelters. Less deaths.
Posted by rattlebucket
SELA
Member since Feb 2009
11441 posts
Posted on 4/19/21 at 11:58 am to
Some maps arent as noticeable but that one definitely has Louisiana impregnating Landmass
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