Tornado kills ten in Mississippi

By: Dr. Jeff Masters , 1:22 PM GMT on April 25, 2010

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A powerful 1/2 to 1-mile wide tornado cut a path of enormous destruction across the state of Mississippi yesterday, killing at least ten and injuring dozens. It was the deadliest tornado in the U.S. since May 10, 2008, when an EF-4 tornado killed 22 people in Oklahoma and Missouri. The damage I've seen so far from photos of yesterday's tornado appears to be mainly of the EF-3 variety, though we will have to wait for the official damage surveys to be sure. The supercell thunderstorm that spawned the tornado or family of tornadoes maintained a continuous circulation from the time the tornado first touched down in Louisiana near the Mississippi border until the tornado reached the Alabama border. This is an extremely rare occurrence. If the 188-mile path of destruction across Mississippi was from a single tornado, it would rank as one of the longest tracks by a single tornado on record. The record of 219 miles is held by the deadliest tornado of all time, the great Tri-State Tornado of 1925 (though there is some dispute over whether this was one tornado or a family of tornadoes.) Our severe weather expert Dr. Rob Carver has a more complete analysis and imagery of yesterday's tornadoes.


Figure 1. Doppler radar storm-relative velocity of the mile-wide tornado that affected Yazoo City, Mississippi On April 24, 2010. This is an unusually wide and strong circulation for a supercell thunderstorm.

More severe weather expected today along the East Coast
The Storm Prediction Center (SPC) outlined a "Slight Risk" region of concern for severe weather today along the East Coast, from Maryland to Northern Florida. Yesterday, SPC had Mississippi underneath the first "High Risk" area of severe weather concern for the year. As usual, you can follow today's severe weather outbreak with our interactive tornado page and our severe weather page..


Figure 2. Severe weather reports for Saturday. Note the long line of red tornado reports extending across the state of Mississippi. These reports originated from a single supercell thunderstorm that spawned one or more tornadoes that carved out a 188-mile lone path of destruction across the state. Image credit: Storm Prediction Center.

Jeff Masters

Storm Lines (thomasanthony)
A quick line of storm clouds came over Lawrence around 7pm. I forgot to change my ISO back after shooting eagles earlier in low light thus a noisy shot.
Storm Lines
Tornado damage in Choctaw County (richardlove310)
Tornado damage in Choctaw County
Tornado damage in Choctaw County (richardlove310)
Tornado damage in Choctaw County

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1035. bassis
I'll take Ohio State University thank you very much
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1034. Drakoen
Quoting Levi32:


SAL isn't that hard.....the AEJ can be hard to forecast, but SAL not really, and it should be below normal this year.


The CFS is forecasting an average to below average African Easterly Jet.
Member Since: October 28, 2006 Posts: 57 Comments: 30694
Per Neil Armstrong...Take man back to the moon. Why? Too colonize? When our time ends on our blue marble, it ends.
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For you Tampa area bloggers, Mike Alstott is a Purdue grad
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1031. hydrus
Quoting presslord:
I think if you're gonna hang out on the Weather Underground...you're morally obligated to at least mention the University of Michigan...
University of Michigan.....University of Michigan....:)
Member Since: September 27, 2007 Posts: 1 Comments: 22261
Quoting hydrus:
There will probably be a low forming in the Caribbean on the tail end of that front. could cause flooding concerns for someone.


And who would that someone be?
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1029. Drakoen
Quoting Tropicsweatherpr:
30 day SOI continues to spike up,now at +15.0



Quite a big spike in the SOI...
Member Since: October 28, 2006 Posts: 57 Comments: 30694
Quoting indianrivguy:


Purdue produced Bob Griese, Hall of Fame QB


That's very true, we also produced Neil Armstrong
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Quoting TexasGulf:
I feel sorry for any state that has a hurricane landfall this year during September or October.

During this election year... you're state will become a political magnet, particularly a big swing state like Florida. Politicians will do fly-overs and walking tours, promising all sorts of federal help and smiling big.

Here in Texas, they won't even bother. Promise the moon, we all vote republican anyway. Just do a quick fly-over, wave the wing tips, then go back to Washington.

I don't know which would be worse... the big wind or the windbags that follow it.

:>)


43 percent of your state voted democrat in 2008.
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Quoting plywoodstatenative:
haha Tornado. Suprised you do not have any photos up from the crazy weekend


haha well generally when Im at a party I dont like to have my picture taken because people upload them to Facebook and if I go looking for another job, some employers check out your facebook page for those type of pictures, so it could be bad haha
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Quoting tornadodude:


LOL! no, not really


Purdue did produce Drew Brees tho


Purdue produced Bob Griese, Hall of Fame QB
Member Since: September 23, 2006 Posts: 1 Comments: 2605
Quoting PcolaDan:


And baseball too, but you'll get over it. ;>)



And UF stands by un-approvingly while we win championships and excel at academics
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haha Tornado. Suprised you do not have any photos up from the crazy weekend
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Quoting PcolaDan:


And baseball too, but you'll get over it. ;>)

I'll never wear a noles sweater around campus, lol.
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Quoting Levi32:


I didn't take it that way, just sounded like you thought it was a bad thing that they did that.

no of course not, but alot of people dont know that and go "He said it was the best so im going there!" when they plan to get their bachelor's and then work for NWS, which is GREAT. problem is Penn State isnt geared for that. They dont do the practical stuff as much as theory. They do the applications in their graduate program. Which is fine.
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30 day SOI continues to spike up,now at +15.0

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Quoting plywoodstatenative:
hows the leg press


it looks alright ;)

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Quoting MiamiHurricanes09:
Oh man, I've been a Miami Hurricanes football fan since birth, now I learn that FSU has the best tropics school, lol.(As you may or may not know FSU and Miami have one of the biggest football rivalries out there.)


And baseball too, but you'll get over it. ;>)

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hows the leg press
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1016. Levi32
Quoting SouthALWX:

=/ you guys act like I was bashing Penn State (hell I plan to go there!) Penn state focuses on theory: EG they gear their students towards graduate school. I know Penn State undergrads who cant forecast themselves out of a cardboard box! If you plan to go to graduate school then absolutely Penn State. If you plan to work with your degree, then don't. Damn, you guys act like I stabbed you with a knife.


I didn't take it that way, just sounded like you thought it was a bad thing that they did that.
Member Since: Posts: Comments:
I feel sorry for any state that has a hurricane landfall this year during September or October.

During this election year... you're state will become a political magnet, particularly a big swing state like Florida. Politicians will do fly-overs and walking tours, promising all sorts of federal help and smiling big.

Here in Texas, they won't even bother. Promise the moon, we all vote republican anyway. Just do a quick fly-over, wave the wing tips, then go back to Washington.

I don't know which would be worse... the big wind or the windbags that follow it.

:>)
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Quoting MrstormX:


Florida State hands down, but Colorado State as well. Supposedly Wyoming has been making strides into tropical forecasting and hydrology lately as well.
Oh man, I've been a Miami Hurricanes football fan since birth, now I learn that FSU has the best tropics school, lol.(As you may or may not know FSU and Miami have one of the biggest football rivalries out there.)
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Quoting SouthALWX:
As I was trying to say before, Miami, it depends. Do you want to go to grad school being a key point. USA has the coastal weather research center and Im sure FSU has a crap ton of stuff. Those two I would wager are the premier tropical weather schools.


I forgot about Miami, that is very true.
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Quoting SouthALWX:

Now THAT I can respect, sir. :)


that's better haha
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Quoting tornadodude:


LOL! no, not really


Purdue did produce Drew Brees tho

Now THAT I can respect, sir. :)
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As I was trying to say before, Miami, it depends. Do you want to go to grad school being a key point. USA has the coastal weather research center and Im sure FSU has a crap ton of stuff. Those two I would wager are the premier tropical weather schools.
edit: I should rectify, those two are the premier for HANDS ON tropical weather ;)
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Quoting MiamiHurricanes09:
What's the best school that has a more tropics based program, I personally would like to go to a more tropics oriented program than general meteorology.


Florida State hands down, but Colorado State as well. Supposedly Wyoming has been making strides into tropical forecasting and hydrology lately as well.
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Quoting SouthALWX:

alabama plays basketball ?!?


LOL! no, not really


Purdue did produce Drew Brees tho
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.
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Quoting tornadodude:


haha hey now!

Purdue beat Alabama this year in basketball so surely you can appreciate that :)

alabama plays basketball ?!?
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What's the best school that has a more tropics based program, I personally would like to go to a more tropics oriented program than general meteorology.
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Quoting SouthALWX:

The big ten plays sports?? ;)


haha hey now!

Purdue beat Alabama this year in basketball so surely you can appreciate that :)
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I think if you're gonna hang out on the Weather Underground...you're morally obligated to at least mention the University of Michigan...
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Quoting tornadodude:



I dont like Penn State ;) big ten rival hehe

The big ten plays sports?? ;)
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Quoting SouthALWX:

=/ you guys act like I was bashing Penn State (hell I plan to go there!) Penn state focuses on theory: EG they gear their students towards graduate school. I know Penn State undergrads who cant forecast themselves out of a cardboard box! If you plan to go to graduate school then absolutely Penn State. If you plan to work with your degree, then don't. Damn, you guys act like I stabbed you with a knife.



I dont like Penn State ;) big ten rival hehe
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Quoting tornadodude:


yeah we do, it's a pretty good one, there are better ones out there, Indiana has 3 schools that have meteorology programs: Purdue, Ball State, and Valpo


Yah I could easily commute to Valpo, in community college now
Quoting tornadodude:


yeah we do, it's a pretty good one, there are better ones out there, Indiana has 3 schools that have meteorology programs: Purdue, Ball State, and Valpo


I hear Ball State has a "easy" program, but that might not mean good lol
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Quoting Levi32:


Theories = progress and learning.

=/ you guys act like I was bashing Penn State (hell I plan to go there!) Penn state focuses on theory: EG they gear their students towards graduate school. I know Penn State undergrads who cant forecast themselves out of a cardboard box! If you plan to go to graduate school then absolutely Penn State. If you plan to work with your degree, then don't. Damn, you guys act like I stabbed you with a knife.
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Probably a week or two before things really change.

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Quoting MrstormX:
Yah Florida State has a very good met department especially if you want a emphasis on hydrology or tropical cyclones. Hard Program to get into though... Oklahoma has probably the nations most well respected met program, it shares a building with many governmental organizations like the spc, nws and military forecasters. Colorado State has a good program, NC State is also decent. Id imagine Purdue has one, perhaps tornadodude knows?


yeah we do, it's a pretty good one, there are better ones out there, Indiana has 3 schools that have meteorology programs: Purdue, Ball State, and Valpo
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Quoting plywoodstatenative:
I got one thing to say: YIkes


Well, the Bermuda High will cause cyclones to follow similar tracks as they did in '04 and '98, but SSTs are higher so the number of storms could be more like 2005. So 2004 tracks with '05 storms, that is a "yikes"
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We're getting some rain again, and this time more thunder. Not surprising to see some yellows and oranges over New Providence in that map. This squall line is holding together fairly well. We might actually see it make it all the way to eastern Cuba at this rate.

BTW, TAFB is forecasting a fairly strong ridge to be in place just east of the Bahamas w/in 72 hours, meaning that a stalled front (and perhaps some low formation over the southern end?) seems quite likely.
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I got one thing to say: YIkes
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Yah Florida State has a very good met department especially if you want a emphasis on hydrology or tropical cyclones. Hard Program to get into though... Oklahoma has probably the nations most well respected met program, it shares a building with many governmental organizations like the spc, nws and military forecasters. Colorado State has a good program, NC State is also decent. Id imagine Purdue has one, perhaps tornadodude knows?
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Quoting GeoffreyWPB:


Juvenile Forecasting Vocation




oh wow, I thought it stood for Very Fing Vile
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Quoting plywoodstatenative:
So basically we are looking at about the same setup with the High as we saw in 92 and 05?
Actually more like 1998 and mostly 2004.
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So basically we are looking at about the same setup with the High as we saw in 92 and 05?
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Quoting stormwatcherCI:
Sure would like to hear that story. LOL Anyway, the weather here is kinda windy and hot. Doesn't look like that rain over Cuba will reach far enough south for us to get any but sure am hoping for it.


haha well I asked her if she went to Purdue, and she said no, her brother does, so I asked if she was in high school and she said she goes to FIU, so I made the connection ha
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Quoting BioChemist:


UF has no Met department, Florida state does
No met department?
Member Since: September 27, 2007 Posts: 1 Comments: 22261
Quoting GeoffreyWPB:
Weather456 had a child and is busy with family life. He may check in once the season starts.
Oh wow, thanks for letting me know.
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Weather456 had a child and is busy with family life. He may check in once the season starts.
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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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