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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Quoting Stormchaser2007:
Sub-surface equatorial waters.

1 week ago:


Today:

It seems like the cold anomalies are taking over... warm anomalies shrinking away... bye-bye El Nino!
Member Since: April 1, 2010 Posts: 9 Comments: 2699
Quoting Stormchaser2007:
Sub-surface equatorial waters.

1 week ago:


Today:


Pretty substantial increase.
Member Since: July 8, 2005 Posts: 259 Comments: 23012
Quoting CybrTeddy:


If the SOI continues the way it is, that massive drop in the next few weeks seems likely. Already up to 15.0 wow! El Nino has again started to fall and will plummet in the next week or so.

And then, Buzz Bernard as always will be wrong about his fallicious predictions about "no La Nina."
Member Since: April 1, 2010 Posts: 9 Comments: 2699
Sub-surface equatorial waters.

1 week ago:


Today:
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Quoting belizeit:
I am hoping for it as it would bring great relief to us our highs tomorrow are 105 and we really could use more rain

That's why I live in the NE. :) We had around 2 inches of rain today, and it's still coming down...
Member Since: April 1, 2010 Posts: 9 Comments: 2699
Quoting GeoffreyWPB:
Per Neil Armstrong...Take man back to the moon. Why? Too colonize? When our time ends on our blue marble, it ends.


Imagine if Christopher Columbus returned from the new world and no one returned in his footsteps.
Member Since: July 8, 2005 Posts: 259 Comments: 23012
1079. hydrus
Quoting belizeit:
3 weeks is a long time if its very dry i thing if the forecast is correct about all this heat then we will soon see severe thunderstorms developing in the Caribbean
I know three weeks is a while. They will get some rain, but not everyday like late spring or early summer.
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full Yazoo City damage assessment and photos on Portlight blog!
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Quoting clwstmchasr:
Somewhere I heard "2004-like tracking season with 16-20 storms"...Yikes, 2004 was deadlier than 2005, so if that happens..

Way to early to tell where the tracks will go. 2004 did not get really going until August with Charlie. Still many months away.
This season will start much earlier than August. We shouldhave at least 2 or maybe even 3 named storms by the end of June.
Member Since: September 2, 2009 Posts: 130 Comments: 21032
Quoting Snowlover123:
Impressive potent La Nina for the hurricane season...



If the SOI continues the way it is, that massive drop in the next few weeks seems likely. Already up to 15.0 wow! El Nino has again started to fall and will plummet in the next week or so.
Member Since: July 8, 2005 Posts: 259 Comments: 23012
Quoting Snowlover123:

The GFS has been throwing the storm all over the place today, so I wouldn't be surprised if a TS really does form in the EPAC.
I am hoping for it as it would bring great relief to us our highs tomorrow are 105 and we really could use more rain
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Quoting belizeit:
3 weeks is a long time if its very dry i thing if the forecast is correct about all this heat then we will soon see severe thunderstorms developing in the Caribbean

I agree. Is he psychic or somethin'? Because the GFS will probably have a totally different situation tomorrow. LMAO. :o)
Member Since: April 1, 2010 Posts: 9 Comments: 2699
I think we will have a minimal La NiƱa, not really anything major.
Member Since: September 2, 2009 Posts: 130 Comments: 21032
Quoting hydrus:
I believe in about three weeks Jamaica will see much more rain. That front will stall to the north of you and dissipate. Even if a low does form most of the action would miss that region. Eventually the Western Caribbean will have a large fetch of moisture coming from the south and southwest. Then Jamaica,s water woes should be over. :)
3 weeks is a long time if its very dry i thing if the forecast is correct about all this heat then we will soon see severe thunderstorms developing in the Caribbean
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Quoting belizeit:
I see the GFS has the area of low pressure a little further to the east in the east pacific there by not creating a tropical storm because of land interaction .

The GFS has been throwing the storm all over the place today, so I wouldn't be surprised if a TS really does form in the EPAC.
Member Since: April 1, 2010 Posts: 9 Comments: 2699
Anyone for the crash? The WHOLE PACIFIC LOOKS COLD FOR THE WINTER OF 2010-2011!!

Member Since: April 1, 2010 Posts: 9 Comments: 2699
Drak- Thanks for the great info posted in #1044!
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1066. hydrus
Quoting kimoskee:


I'm in Jamaica. We need rain in the southern parishes. No luck so far. The rain of a couple weeks ago helped but we need much more to replenish the dams. Notice how specific I am as to location for rain.

Cue the rain dancers...

I believe in about three weeks Jamaica will see much more rain. That front will stall to the north of you and dissipate. Even if a low does form most of the action would miss that region. Eventually the Western Caribbean will have a large fetch of moisture coming from the south and southwest. Then Jamaica,s water woes should be over. :)
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I see the GFS has the area of low pressure a little further to the east in the east pacific there by not creating a tropical storm because of land interaction .
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Moisture abundant throughout both basins, but no true organization as of late.
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Impressive potent La Nina for the hurricane season...

Member Since: April 1, 2010 Posts: 9 Comments: 2699
I just realized the first storm of '04 didn't form until July 31, wow.
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Earlier on, people yesterday were saying how the Gulf would become warm because of a ridge in the Gulf. Boy we they right on the mark.



It looks like the Indian Ocean is starting to turn colder, the Atlantic the same, the pacific Colder, and the seas warmer.... just overall trends leading to the eventual crash in Global Temperatures...
Member Since: April 1, 2010 Posts: 9 Comments: 2699
1060. Drakoen
Quoting StormW:


Drak, fantastic info! Thanks for sharing!!


No problem!
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Quoting BahaHurican:

Talk about well defined....


Well defined

(and yes, it's a family friendly link)
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StormW,what is your take on the big spike of the 30 day SOI?
Member Since: April 29, 2009 Posts: 75 Comments: 13278
Quoting BahaHurican:

Talk about well defined....

Are you talking about the trough in the east, or the cold front? Both seem to be very well defined to me. There's also a Low P. system in the middle of the country.

We could actually see subfreezing temperatures tomorrow night, killing sensitive vegitation. Very rare for almost May...
Member Since: April 1, 2010 Posts: 9 Comments: 2699
Link Or themps for tommarow are 105 and they ussualy are about 5 degrees out so we could expect it to get to 110
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Quoting Drakoen:


Quite a big spike in the SOI...

Indeed it is... is this one of the biggest spikes in SOI history for the past 10 years? I've never seen such a vertical spike that just keeps comin' on...
Member Since: April 1, 2010 Posts: 9 Comments: 2699

Talk about well defined....
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Quoting BahaHurican:
I did not like 2004.
No one did, especially me in Miami.
Member Since: September 2, 2009 Posts: 130 Comments: 21032
I did not like 2004.
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Severe Weather Statement

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
748 PM CDT MON APR 26 2010

TXC051-270115-
/O.CON.KHGX.TO.W.0007.000000T0000Z-100427T0115Z/
BURLESON TX-
748 PM CDT MON APR 26 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR BURLESON
COUNTY...

AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO. THIS TORNADO WAS LOCATED NEAR DAVIDSON...AND MOVING
SOUTHEAST AT 30 MPH.

* LOCATIONS IN THE THE TORNADO WARNING INCLUDE BUT ARE NOT LIMITED TO
DAVIDSON SOMERVILLE AND SNOOK

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY AND ASK THEM TO RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE.

LAT...LON 3060 9673 3042 9629 3039 9630 3037 9634
3038 9635 3036 9640 3036 9641 3030 9665
3032 9670 3033 9675 3037 9677 3042 9684
3046 9686
TIME...MOT...LOC 0048Z 309DEG 26KT 3044 9667

$$







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Quoting altesticstorm10:
Somewhere I heard "2004-like tracking season with 16-20 storms"...Yikes, 2004 was deadlier than 2005, so if that happens...
You are right. 2004 tracks just more storms.
Member Since: September 2, 2009 Posts: 130 Comments: 21032
Quoting altesticstorm10:
Somewhere I heard "2004-like tracking season with 16-20 storms"...Yikes, 2004 was deadlier than 2005, so if that happens...


To soon to tell.
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Quoting hydrus:
Cuba. But none of the models are showing intense rainfall. If I lived down there I would still watch it. If it were late May or early June, I would,nt let it out of sight.


I'm in Jamaica. We need rain in the southern parishes. No luck so far. The rain of a couple weeks ago helped but we need much more to replenish the dams. Notice how specific I am as to location for rain.

Cue the rain dancers...

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Quoting presslord:
better plywood...

cute tornadodude...


haha :PP
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1044. Drakoen
I noticed there has been some talk on analyzing tropical waves. It is important that we all have the ability to recognize a tropical wave. Here's an old blog of mine on Dissecting a Tropical Wave. All the graphics used in that blog can be found here.
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better plywood...

cute tornadodude...
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By looking at radar that storm in texas most likely has a tornado with it
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1040. hydrus
Quoting kimoskee:


And who would that someone be?
Cuba. But none of the models are showing intense rainfall. If I lived down there I would still watch it. If it were late May or early June, I wouldnt let it out of sight.
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1039. Drakoen
Quoting Levi32:


Yeah, mostly because it's also forecasting a warm Gulf of Guinea. Link


Yea but is forecasting for above average precipitation off the African coast... lol. Go figure
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1038. Levi32
Quoting Drakoen:


The CFS is forecasting an average to below average African Easterly Jet.


Yeah, mostly because it's also forecasting a warm Gulf of Guinea. Link
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Tornado Warning

TORNADO WARNING
TXC051-270115-
/O.NEW.KHGX.TO.W.0007.100427T0042Z-100427T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
742 PM CDT MON APR 26 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
BURLESON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 815 PM CDT

* AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO THIS TORNADO
WAS LOCATED NEAR CALDWELL... MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IN THE TORNADO WARNING INCLUDE BUT ARE NOT LIMITED TO
SOMERVILLE AND SNOOK.

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY AND ASK THEM TO RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE.

LAT...LON 3060 9673 3042 9629 3039 9630 3037 9634
3038 9635 3036 9640 3036 9641 3030 9665
3032 9670 3033 9675 3037 9677 3042 9684
3046 9686
TIME...MOT...LOC 0042Z 309DEG 26KT 3047 9671

$$






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Quoting bassis:
I'll take Ohio State University thank you very much


I'll pass ;)

but we both can agree on not liking The University of Michigan
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1035. bassis
I'll take Ohio State University thank you very much
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About JeffMasters

Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.