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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hey guys after taking a long look at the sat I am seeing a few spins in the SW Carib and EPac
one near 10N 80W moving NW in the SW Carib and 8N 87W EPac
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734. Skyepony (Mod)
YAZOO CITY, Miss. (WXOW) - The death toll in this weekend's severe weather in two southern states stands at 12.

The storm that ripped through rural Mississippi Sunday left at least 10 dead. Another two deaths in Alabama have been blamed on the storms there.

So far authorities have counted 61 tornadoes that carved a path of devastation through nine states, from the Louisiana state line to east-central Mississippi, damaging hundreds of homes and leaving another three dozen people hurt. The strongest brought with it 160-mile per hour winds and a tornado that was a mile-and-a-half wide at its base.

Rescuers are racing to find anything who might be trapped, while survivors returned to their demolished homes to find what they could salvage, and bulldoze the rest.

People who saw the storm outside Yazoo City, Miss., say they couldn't believe their eyes.


Member Since: August 10, 2005 Posts: 162 Comments: 37806
Each day the TCHP just keeps increasing!!

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92 at lunch, light winds, burning sun, dewpoint in the 40s and the grass is already wilting. It's only April and the grass is already stressing, starting to see cracks in the ground along the fences and if I dont get my damn rain I'm gonna get real $%&*@!
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yeah make it a hurricane chase trip
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting tornadodude:


yeah, I know I'd love it! This might require a road trip this summer


Wait till Aug, Sept when the real fun begins.
Member Since: January 30, 2010 Posts: 0 Comments: 3259
Quoting Jeff9641:


You have to come on down and visit! You will love our Seabreeze thunderstorm patterns. It is amazing to see how fast thunderstorms can develope once the seabreeze moves in.


yeah, I know I'd love it! This might require a road trip this summer
Member Since: June 28, 2006 Posts: 25 Comments: 8301
NASA SupercomputersLink
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Afternoon - does anyone know how long the storms are suppose to hang around here this afternoon?

(miami)
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Member Since: June 28, 2006 Posts: 25 Comments: 8301
AQUA Pass from yesterday showing extent of the spill

Link
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Member Since: June 28, 2006 Posts: 25 Comments: 8301
According to the CPC weekly update, Nino 3.4 is down to .7

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Quoting Bordonaro:

It is much worse in Houston, TX and NOLA. Heat indicies shoot up pretty high from late May-mid Sept, extremely humid.

One summer my wife, family and I went to Galveston, TX. The high was 97F, relative humidity 60%, heat index over 120F, it was totally horrible if you weren't in the water. And yes, the GOM is as warm as your bathtub!



yeah, I have never been to the GOM, or even Florida, but yeah it is definitely bath water
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting AussieStorm:

Would it be a good idea to get some floating booms out around the coast to protect them from the spill, or is that too simple?


Se Louisiana is the Worlds Leader in Oil Spill Disaster Clean Up..all within 100 Miles of the Spill and all assets are on the Job today.
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Quoting Patrap:


Expert: oil could be major spill for LA coast


Chris Miller Reporting
If or when the oil from that leaking well in the Gulf reaches the Louisiana coast, a lot will ride on how thick is the slick. Dr. John Lopez, Director of Coastal Sustainability for the Lake Pontchartrain Basin Foundation said at the rate the oil is leaking, it could be a big problem.

"It has the potential to be a major spill," said Lopez. "The rate that the oil is flowing is a high rate. The spill will grow in size."

Dr. John Lopez, Director of Coastal Sustainability, Lake Pontchartrain Basin Foundation:




The thinner the oil the better, says Lopez, because there is less to clean up, and it won't get as deep into the soil, killing the roots of marsh plants. If it is thick, he says it could kill wetland plants and keep them from growing back.

"It could even accelerate some of our wetland loss that we already have problems with," said Lopez.

He said some wildlife could be in trouble, too: "There's a lot of bird nesting activity on the barrier islands."

And Lopez said shrimping grounds and oyster beds cold be at risk if the slick gets deep into the estuaries.

Would it be a good idea to get some floating booms out around the coast to protect them from the spill, or is that too simple?
Member Since: September 30, 2007 Posts: 9 Comments: 15935
the gulf slick is alot bigger then 1x10 unfortunatly.

Hopefully the ROV gets the BOP turned on and stops the leak before it gets any worse.



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Quoting tornadodude:


well we do get the heat index that high every now and then, especially after the remnants from a tropical system move through, soak us, and then the sun comes out the next day. leads to really high humidity

It is much worse in Houston, TX and NOLA. Heat indicies shoot up pretty high from late May-mid Sept, extremely humid.

One summer my wife, family and I went to Galveston, TX. The high was 97F, relative humidity 60%, heat index over 120F, it was totally horrible if you weren't in the water. And yes, the GOM is as warm as your bathtub!
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Expert: oil could be major spill for LA coast


Chris Miller Reporting
If or when the oil from that leaking well in the Gulf reaches the Louisiana coast, a lot will ride on how thick is the slick. Dr. John Lopez, Director of Coastal Sustainability for the Lake Pontchartrain Basin Foundation said at the rate the oil is leaking, it could be a big problem.

"It has the potential to be a major spill," said Lopez. "The rate that the oil is flowing is a high rate. The spill will grow in size."

Dr. John Lopez, Director of Coastal Sustainability, Lake Pontchartrain Basin Foundation:




The thinner the oil the better, says Lopez, because there is less to clean up, and it won't get as deep into the soil, killing the roots of marsh plants. If it is thick, he says it could kill wetland plants and keep them from growing back.

"It could even accelerate some of our wetland loss that we already have problems with," said Lopez.

He said some wildlife could be in trouble, too: "There's a lot of bird nesting activity on the barrier islands."

And Lopez said shrimping grounds and oyster beds cold be at risk if the slick gets deep into the estuaries.




AssociatedPress April 25, 2010

Stormy weather delayed weekend efforts to mop up leaking oil from a damaged undersea well after the explosion and sinking of a massive rig off Louisiana's Gulf Coast that left 11 workers missing and presumed dead. (April 25)
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Quoting Bordonaro:

Awwww, come on, we have about 15-30 days of torture a year, you don't wanna know what it feels like?

We occasionally have heat index values up to 117F, normally they're only between 100-108F though.


well we do get the heat index that high every now and then, especially after the remnants from a tropical system move through, soak us, and then the sun comes out the next day. leads to really high humidity
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting StSimonsIslandGAGuy:
So who got the most rain in Florida last night?


Looks like Winter Springs @ 5.89"
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Quoting tornadodude:


geee thanks :PP

Awwww, come on, we have about 15-30 days of torture a year, you don't wanna know what it feels like?

We occasionally have heat index values up to 117F, normally they're only between 100-108F though.
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting Levi32:


How cold do you get there during the winter Aussie?

In Sydney in winter, average day-time temps, about 10 - 15C(50 - 60F). Night-time temps, about -2 - 5C(28 - 40F).
Member Since: September 30, 2007 Posts: 9 Comments: 15935
Quoting AussieStorm:

If a TD,TS or even a hurricane was to form in the next few weeks. Wouldn't the oil be washed up onto the coastal areas of the GOM near where the accident was?

Unfortunately, yes. I remember back in the mid 80's the big rig explosion from Mexico coated Galveston with tar balls, extremely nasty stuff!!
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting Bordonaro:

That's good, we'll be sure and send you a good SW wind and high's near 100F, at least once, just for fun :o)!


geee thanks :PP
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting TexasGulf:
Houston & Galveston, Tx forecast: The next 5-days; Monday thru Friday will be clear to partly-cloudy, highs in the low 80's, night temps in upper 60's.

All of that nice sunshine should help warm up the gulf a little bit. :>(

I need to start building some replacment hurricane boards this year. Since Ike, I've used some of the lumber for other projects.

I wonder how hurricane season will affect that BP drilling platform and oil slick south of Louisiana. That slick is up to a mile wide and estimated at 10 miles long now. It's certainly not big enough to affect a hurricane in any way... but still it will be interesting to see what happens.

If a TD,TS or even a hurricane was to form in the next few weeks. Wouldn't the oil be washed up onto the coastal areas of the GOM near where the accident was?
Member Since: September 30, 2007 Posts: 9 Comments: 15935
Quoting AussieStorm:

I had 86.0°F on Thursday, 85.6°F Friday, 82.6°F Saturday, 72.5°F Sunday and today was 70°F, Tuesday 73°F, Wednesday 75°F, Thursday 75°F, Friday 73°F. Typical Autumn weather. Few warm days then a cold front comes through cools the place down, then a slow warm up then another cold front comes through and it gets colder. Snow is expected with the cold front today(Tues) in the alpine regions.


How cold do you get there during the winter Aussie?
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Quoting Bordonaro:

Maybe Fr 4-30-10, the official forecast is calling for 87F/31C.

I had 86.0°F on Thursday, 85.6°F Friday, 82.6°F Saturday, 72.5°F Sunday and today was 70°F, Tuesday 73°F, Wednesday 75°F, Thursday 75°F, Friday 73°F. Typical Autumn weather. Few warm days then a cold front comes through cools the place down, then a slow warm up then another cold front comes through and it gets colder. Snow is expected with the cold front today(Tues) in the alpine regions.
Member Since: September 30, 2007 Posts: 9 Comments: 15935
Quoting tornadodude:


haha yeah, I'll keep my "temperate" weather

That's good, we'll be sure and send you a good SW wind and high's near 100F, at least once, just for fun :o)!
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Houston & Galveston, Tx forecast: The next 5-days; Monday thru Friday will be clear to partly-cloudy, highs in the low 80's, night temps in upper 60's.

All of that nice sunshine should help warm up the gulf a little bit. :>(

I need to start building some replacment hurricane boards this year. Since Ike, I've used some of the lumber for other projects.

I wonder how hurricane season will affect that BP drilling platform and oil slick south of Louisiana. That slick is up to a mile wide and estimated at 10 miles long now. It's certainly not big enough to affect a hurricane in any way... but still it will be interesting to see what happens.
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TORNADO WARNING
FLC087-261645-
/O.NEW.KKEY.TO.W.0001.100426T1623Z-100426T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
1223 PM EDT MON APR 26 2010

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

* TORNADO WARNING FOR...
UPPER KEYS IN MONROE COUNTY IN FLORIDA...
THIS INCLUDES THE COMMUNITY OF KEY LARGO...

* UNTIL 1245 PM EDT

* AT 1219 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
ROCK HARBOR...OR 12 MILES WEST OF KEY LARGO...MOVING EAST AT 40
MPH.

* THE TORNADO WILL BE NEAR...
KEY LARGO AND ROCK HARBOR BY 1235 PM EDT...
ROUTE 1/CARD SOUND ROAD S AND ROUTE 1/CARD SOUND ROAD SPLIT BY 1240
PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE OCCURRING...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE
IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST
LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT
SEEK SHELTER UNDER A HIGHWAY OVERPASS.

PLEASE REPORT SEVERE WEATHER TO THE NEAREST LOCAL LAW ENFORCEMENT
AGENCY OR THE U.S. COAST GUARD...AND ASK THAT YOUR REPORT BE RELAYED
TO THE NATIONAL WEATHER SERVICE KEY WEST. YOU MAY CONTACT THE
NATIONAL WEATHER SERVICE DIRECTLY AT 3 0 5...2 9 5...1 3 1 6...
EXTENSION 3.

&&

LAT...LON 2518 8036 2516 8035 2509 8043 2505 8044
2505 8046 2507 8044 2507 8046 2502 8049
2502 8052 2508 8047 2513 8049 2519 8045
2523 8049 2524 8042 2521 8040 2521 8038
2526 8034 2527 8029
TIME...MOT...LOC 1622Z 258DEG 37KT 2510 8060

$$

BWC
Member Since: August 21, 2008 Posts: 0 Comments: 7386
Quoting Bordonaro:

Well, in mid July, while you're enjoying a mild 90F day, we'll be baking in 100F heat, the joys of summer!!


haha yeah, I'll keep my "temperate" weather
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting tornadodude:



well.....


Well, in mid July, while you're enjoying a mild 90F day, we'll be baking in 100F heat, the joys of summer!!
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting Bordonaro:

OK, at least we no longer have frosty mornings!!! Although we hit 50F this morning.



well.....

Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting AussieStorm:

April ain't over yet. What's the chances of you hitting 90F in the next 4 days?

Maybe Fr 4-30-10, the official forecast is calling for 87F/31C.
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting Bordonaro:

Comparisons I watched on Joe bastardi's video shows the E Coast of the US might get hit hard, but it's way too early to say!!


I think he was talking more after this year. He seems to think tracks will be focused farther south this year, with the fear of a couple storms breaking formation and making a run at the east coast, but with the Caribbean and GOM being the focus of tracks this year.
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Quoting tornadodude:


We hit 86 ha

OK, at least we no longer have frosty mornings!!! Although we hit 50F this morning.
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting Bordonaro:

The warmest we have seen in DFW, TX was only 82F officially, which is unusual. We normally have 2 or 3 days above 90F here each April.

April ain't over yet. What's the chances of you hitting 90F in the next 4 days?
Member Since: September 30, 2007 Posts: 9 Comments: 15935
Member Since: June 28, 2006 Posts: 25 Comments: 8301
CPC weekly update released today has El Nino 3.4 at +0.7C down from +0.8C in last weeks update.

Link
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Quoting Bordonaro:

The warmest we have seen in DFW, TX was only 82F officially, which is unusual. We normally have 2 or 3 days above 90F here each April.


We hit 86 ha
Member Since: June 28, 2006 Posts: 25 Comments: 8301
Quoting StormChaser81:
It hit 91 degrees in Orlando, FL on Saturday at about 4:25pm.

The warmest we have seen in DFW, TX was only 82F officially, which is unusual. We normally have 2 or 3 days above 90F here each April.
Member Since: August 25, 2009 Posts: 20 Comments: 6785
It hit 91 degrees in Orlando, FL on Saturday at about 4:25pm.
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Quoting gordydunnot:
Bordonaro, Lets hope all the canes that form this year play for FSU and go wide right. Please not down the middle right over hometown.

Comparisons I watched on Joe bastardi's video shows the E Coast of the US might get hit hard, but it's way too early to say!!
Member Since: August 25, 2009 Posts: 20 Comments: 6785

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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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