Two EF-5 tornadoes confirmed from last week's outbreak; record Ohio River flood

By: Dr. Jeff Masters , 1:23 PM GMT on May 02, 2011

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Damage surveys and the hunt for missing victims continues today in the areas devastated by last week's historic tornado outbreak. With the death toll in the 340 - 350 range, the April 25 - 28 tornado outbreak has surpassed the April 3 - 4, 1974 Super Outbreak (315 killed) as the deadliest U.S. tornado outbreak of the past 50 years. Hardest hit was Alabama, with 249 deaths; Tennessee and Mississippi had 34 deaths each, and deaths were also reported in Arkansas, Georgia, Virginia, Louisiana, and Ontario, Canada. Twenty-eight separate tornadoes killed people. According wunderground's weather historian, Christopher C. Burt, in his post The World's Deadliest Tornadoes, only the death toll of the great Tri-State tornado outbreak of 1925 (747 killed) and the 1936 Tupelo-Gainsville tornado outbreak (454 killed) were greater. These outbreaks both occurred during an era before Doppler radar and tornado warnings. Had last week's outbreak occurred back in those days, I expect the death toll would have been in the thousands. The National Weather Service provided warning times of 15 - 30 minutes for all of last week's killer storms, allowing time for most people to get to safe shelters.


Figure 1. MODIS satellite image from NASA's Aqua satellite taken on Friday, April 29, 2011, showing the damage paths of three of Wednesday's tornadoes in Alabama.


Figure 2. Damage paths of Wednesday's tornadoes as compiled by the National Weather Service office in Birmingham, Alabama.

Damage surveys will continue for another week, so it is uncertain exactly how many tornadoes were spawned in last week's outbreak. The confirmed count is already at 146, which would make it the 4th largest tornado outbreak in history. The total is likely to surpass the 155 confirmed tornadoes logged during the April 14 - 16, 2011 tornado outbreak. According to a list of tornado outbreaks maintained by Wikipedia, only two other tornado outbreaks have had as many as 150 twisters--the May 2004 outbreak (385), and the May 2003 outbreak (401). So, remarkably, two of the top four outbreaks in history occurred within two weeks of each other. In addition, the period from 8am April 27 - 8am April 28 during last week's outbreak has a good chance of breaking the record for most tornadoes in a 24-hour period, which is currently 148 (set in the April 3 - 4, 1974 Super Outbreak.)

Two EF-5 tornadoes confirmed
Damage surveys have confirmed that last week's April 25 - 28 outbreak spawned at least eleven violent EF-4 tornadoes (winds 166 - 200 mph) and two EF-5 tornadoes (winds greater than 200 mph.) This is only the 5th time since tornado ratings began in 1950 that two top-end tornadoes have occurred on the same day. The last time was on March 13, 1990 in Kansas. An EF-5 with 205 mph winds hit Smithville, Mississippi at 3:44pm EDT on Wednesday. The tornado's path was only 3 miles long, but was 1/2 miles wide and did extreme damage. Fifteen were killed, 40 injured, and 166 buildings destroyed. Some well-built modern 2-story homes that were bolted to their foundations were completely destroyed, leaving only the foundation. This type of damage is characteristic of an EF-5 tornado with 205 mph winds. The Smithville tornado is the first EF-5 tornado in Mississippi since the Candlestick Park tornado of March 3, 1966. The other EF-5 tornado of the day, the Hackleburg tornado, touched down in Northwest Alabama in Marion County at 3pm CDT, and devastated the towns of Phil Campbell and Hackleburg. This tornado killed at least 25 people. Meteorologist Gary Dobbs, with WAAY-TV since 1984, spotted this tornado from his car and was unable to get to his storm shelter. While his house was destroyed around him, Dobbs was thrown 40 feet from the house. The door of the storm shelter blew off, and none of the friends therein were seriously injured. Dobbs required hospitalization. One other tornado that may get an EF-5 rating is the violent Tuscaloosa/Birmingham tornado, which killed at least 66 people and injured over 1000. It was the deadliest tornado in the U.S. since 1955, when 80 people died in Udall, Kansas. This tornado had a path length of 80.3 miles, and has been preliminarily rated at high-end EF-4 with 190 mph winds. The Tuscaloosa-Birmingham tornado is likely to be the most expensive tornado of all-time, and damage from the April 25 - 28 outbreak is likely rank as the most expensive tornado outbreak in history. Insured damages have been rated at $2 - $5 billion, and uninsured losses will be several billion more. The previous most expensive tornado outbreak in history was the $3.5 billion price tag, in 2005 dollars, of the April 3 - 4, 1974 Super Outbreak .


Figure 3. Radar reflectivity image of the Hackleburg, Alabama tornado of April 27, 2011, a few minutes after it devastated the town of Hackleburg, Alabama (white cross at center of image.) The Hackleburg tornado was rated an EF-5 with greater than 200 mph winds.


Figure 4. Remarkable video of the tornado that hit Tuscaloosa, Alabama. Beginning at about 2:30 into the video, one can see the ominous mini-vorticies and cloud of debris that encircled the tornado.

Unprecedented flooding on Ohio River
Last week's storm system, in combination with heavy rains earlier this month and over past 24 hours, pushed the Ohio River at Cairo, Illinois to 60.6 feet at 1am CDT May 1. This is the highest flood in history, besting the 59.5' mark of 1937. Additional heavy rains of 2 - 4 inches are expected over the next five days, and the river is not expected to crest until Wednesday, at a height of 61.5 feet. As the record flood waters from the Ohio River pour into the Mississippi and are joined by melt water from the this winter's record snow pack over the Upper Mississippi, all-time flood heights are likely to be exceeded at many points along a 400-mile stretch of the Mississippi below its confluence with the Ohio. I'll have a more detailed look in my next post.

Jeff Masters

Bartow County Georgia Tornado Damage 10 (marlin01)
April 28th, 2011
Bartow County Georgia Tornado Damage 10

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looks like the first of a total of three different explosions have occurred at bird's point. The second two blasts, due to happen today, are located so the escaping water at bird's point the water may be allowed to flow back INTO the mississippi.

Grand lock and dam shows a drop in level, as well.

Personally I think bonne carre and the other one (sorry, can't remember it at the moment) will need to be opened, too.
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Mezoscale convective system...can it mean it's a wave?
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The MJO graph is divided into 8 octants, simply representing different equatorial regions around the globe. As you move counterclockwise around the center of the graph, you are moving west to east, which is the direction the MJO usually propagates. The farther away the graphed line is from the middle circle, the stronger the MJO signal is. If it goes inside of the circle, it is considered a weak and diffuse signal.

As Skye said, the Atlantic corresponds mostly to Octant 8, though Octants, 7, 8, and 1 can all induce upward motion over the Atlantic.

The maritime continent is basically just all of the islands in southeast Asia, most notably those of Indonesia.

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262. Skyepony (Mod)
Think of the MJO forecast like the globe, looking down from the top..America/Atlantic is 8 & 1 is Africa, the edges are the equator.. the MJO is the area of most lift & rain.. The past is neatly plotted in a different color for each month. This one shows an ensemble model so it ends in spaghetti.
Member Since: August 10, 2005 Posts: 156 Comments: 36089
Low E of Hawaii
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260. Skyepony (Mod)
I haven't seen any updated on most the other incidents, Majority were minor. AL doing good on back up generators so far. They got it safely shut down after the storm




Another thing about the graph..you don't tend to get much tropical activity til the MJO is more toward the edges. If it's in the circle it's generally fairly quiet.
Member Since: August 10, 2005 Posts: 156 Comments: 36089
Quoting TomTaylor:
thanks.

I swear they couldn't have picked a more completecated way of creating the mjo forecast.


The link for MJO

Link

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Quoting Skyepony:
As for the MJO forecast~ Maritime Continent is southeast Asia, warm pool of the earth. Atlantic is in zone 8.
thanks.

I swear they couldn't have picked a more completecated way of creating the mjo forecast.
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That's the third unintentional release of radioactive material by a US nuclear powerplant that I've read of since FukushimaDaiichi, Skyepony, and the fifth alert incident.
Haven't run across a single follow-up on any of those stories by any news organization or newsblog as yet...
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Quoting Skyepony:
As for the MJO forecast~ Maritime Continent is southeast Asia, warm pool of the earth. Atlantic is in zone 8.

Thanks Skye, will keep looking for info. to understand the graph...
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255. Skyepony (Mod)
Hurricane Hunter Tour Schedule:

* Mon., May 2: Mass. Military Reservation, Falmouth, Mass., 2:30 p.m. to 5:30 p.m.
* Tue., May 3: Patuxent River Naval Air Station, Md., 1:30 p.m. to 4:00 p.m.
* Wed., May 4: Cherry Point MCAS, N.C., 3:00 p.m. to 5:00 p.m.
* Thur., May 5: International Airport, Savannah, Ga., 3:00 p.m. to 5:00 p.m.
* Fri., May 6: Executive Airport, Ft. Lauderdale, Fla., 3:00 p.m. to 4:30 p.m.
Member Since: August 10, 2005 Posts: 156 Comments: 36089
254. Skyepony (Mod)
As for the MJO forecast~ Maritime Continent is southeast Asia, warm pool of the earth. Atlantic is in zone 8.
Member Since: August 10, 2005 Posts: 156 Comments: 36089
Quoting TomTaylor:
levi, or anybody else, can you teach me how to read these charts?

And which continent is the maritime continent and where is the Atlantic in all of this?


I don't know much either, But I'm looking and this is what I found (A Powerpoint slide in that link).... will keep on looking and will post any other information...



The box reads:

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252. Skyepony (Mod)
The Nuclear Regulatory Commission is investigating after a radioactive element is found in the Mississippi river. Authorities say it started at the Grand Gulf Nuclear Plant in Port Gibson. They say they went to check for standing water in an abandoned unit, and found a build up of water. They decided to pump it out, and after taking a sample, they discovered the chemical "tritium" had been released into the river. Officials say the River has diluted the radioactive material, and is not causing harm to the people. Right now the incident is under investigation. There's no word on how much Tritum was pumped into the water.
Member Since: August 10, 2005 Posts: 156 Comments: 36089
LinkExplosion Footage As US Army Corps Of Engineers Blow First Levee In Birds Point
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Has the New Madrid Floodway been opened? The river level at Cairo has taken a drastic drop.

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0300z
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hey guys is anyone thinking what I am thinking when you and I look at this

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Quoting sunlinepr:
Not good!But can someone tell me if that is the first wave??? In my post
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***********BREAKING NEWS************
From Sydney Daily Telegraph
One person killed in Auckland as tornado hits New Zealand

ONE person is reported dead and others injured in a tornado which has hit Auckland's North Shore.

Police and ambulance officers said the tornado hit around 3pm (1pm AEST) today, NZPA reports.

Inspector Barry Smalley, of police Northern Communications Centre, told NZPA one person had reportedly died in the tornado but other details were scarce.

From New Zealand Herald
Building 'just a shell' after tornado at Albany mall




A roof has collapsed at a mall in the Auckland suburb of Albany and the building is being evacuated, reports say. Police have confirmed injuries in the area.

The Fire Service has dispatched multiple appliances to the area and is receiving 111 calls from residents.

Rob Crawford was on the scene when the tornado struck, where what he saw reminded him of the movie Twister.

"Carparks scattered with the remains of trees, upturned cars. There's iron off the roof of the old Placemakers, just wrapped around it ... total mini destruction within the carpark."

"It's surreal. I think, 'it's a movie set. is this real? is this happening?' But when you see people lying on the ground, covered in blood, clutching their heads, it's damn real."

Samantha Davey from Albany Optometrists said it appeared that part of the roof at the neighbouring Albany Mega Centre had been torn away.

"We are a bit above the mall, looking down from our building we can see part of the mall roof is gone," she said.

"It looks like it's the bit behind Number 1 shoe Warehouse but our building is a bit above on Corinthian Drive so it's hard to tell.

"There's people at Work and Income, they said they saw a car swept up in it."

Miss Davey said the tornado passed "fairly quickly" but wasn't roaring as it may have been imagined.

One of her colleagues said her in-laws lost a few tiles of their roof in Unsworth.

Kate England was working at the Gordon Harris Art & Graphic Supplies just above the mall when the tornado hit.

"The first 10 seconds I was just in shock. It sounded like a bad car crash."

She said she watched a grey car being lifted 20 feet up in the air near the roundabout by the mall from the window of her work.

"It was the most surreal experience."

"Somebody came into the shop and said the Placemakers building, which the company moved out of about a week ago, is now just a shell."

She said the tornado came from the direction of the Westfield Mall, before moving through the Mega Centre.

In nearby Glenfield, an explosion is thought to have been heard at an electrical substation.

A resident, who did not want to be named, said a "crazy" amount of sirens could be heard in the area.

"I've never heard so many sirens in my life, and the birds have gone crazy. They just flew to the north."

While major tornadoes are rare in New Zealand, there have been several deadly ones in recent history.

In August 2004, Rosina Dawn Wikohika, 55, of Levin and her grandson Gary Mason, 10, were killed with a tornado struck the Taranaki town of Motunui, north of Waitara.

On August 25, 1948, a major tornando hit the Hamilton suburb of Frankton, killing three people and damaging or destroying dozens of houses.

New Zealand tornadoes tend to be less deadly than those in other countries. More than 300 people were killed last week in a series of storms and tornadoes in the American South.




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Member Since: July 15, 2006 Posts: 165 Comments: 52262
i dont think there been 88 EF2 Confirmed nado lol


nor do i think there been 226 nado Confirme


and i dont see 16 EF4 i olny see 9 EF 4s



some onne is mass a round with that pages and i wish they lock it too where they cant chage thing am sorry if i jump the gun on Neapolitan a little but am geting sick of this
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Quoting Tazmanian:
i dont even not wish is real any more on that pages ans wish is ture


You're pretty much "right on" most of the time...so keep it up...:)
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i dont even not wish is real any more on that pages ans wish is ture
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Quoting Gearsts:
I find it funny cause i dont know much ether ^^
Oh ok

Thought you were laughing at me
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Quoting atmoaggie:
Yep. AGW is supposed to also make the Arctic colder.

I know some of you heard that the Arctic would be warming the most and the earliest, but this was apparently incorrect as we had some tornadoes within the last week.
its only a prediction, saying one thing is more likely than the other. It doesn't mean tornadoes wont happen. It doesn't mean we won't ever see an EF5.

You distort the words, no one else.
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Quoting TomTaylor:
ya thanks for the help
I find it funny cause i dont know much ether ^^
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First Wave?
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Quoting Neapolitan:

Taz, please look at the banner at the top of this page:

http://www.srh .noaa.gov/bmx/




if your the owner of that site then this lock it or tell them too lock it
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Quoting Gearsts:
LOL
ya thanks for the help
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Quoting TomTaylor:
levi, or anybody else, can you teach me how to read these charts?

And which continent is the maritime continent and where is the Atlantic in all of this?
LOL
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.
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Quoting Neapolitan:

Taz, please look at the banner at the top of this page:

http://www.srh .noaa.gov/bmx/


am not stupid or any thing i no what the stupid banneer say i go to there site evere few sac or so so am not stupid
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Quoting Levi32:


The equatorial Pacific has negative pressure anomalies instead of positive ones. This is an indication that the atmosphere is finally entering the neutral phase of the ENSO.

Another interesting thing is that this will now unleash the MJO to go nuts, after being penned up for so long. It will now be able to make strong runs across the Pacific, continuing across the entire tropical belt, instead of being stuck over the maritime continent and tropical Atlantic. This may allow the MJO to be a good predictive tool this hurricane season.

The first MJO burst in the Pacific is coming over the next couple weeks, and it will be lining up to make the last 10 days of May our first chance for possible early-season mischief.

levi, or anybody else, can you teach me how to read these charts?

And which continent is the maritime continent and where is the Atlantic in all of this?
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Quoting Tazmanian:



likey a new update comeing out any time now or vary soon

Taz, please look at the banner at the top of this page:

http://www.srh .noaa.gov/bmx/
Member Since: November 8, 2009 Posts: 4 Comments: 13275
Quoting Neapolitan:

That's someone playing around or jumping the gun; as of 8:55 EDT this evening, the Birmingham says this:

TORNADO 9...TUSCALOOSA/BIRMINGHAM (GREENE/TUSCALOOSA/JEFFERSON
COUNTIES)

PRELIMINARY DATA...
EVENT DATE: APRIL 27, 2011
EVENT TYPE: EF-4
ESTIMATED PEAK WINDS (MPH): UP TO 190
INJURIES/FATALITIES: OVER 1000 INJURIES/AT LEAST 65 FATALITIES.
EVENT START LOCATION AND TIME: 33.0297/-87.935 AT 443 PM
EVENT END LOCATION AND TIME: 33.6311/-86.7436 AT 614 PM
DAMAGE PATH LENGTH (IN MILES): APPROXIMATELY 80.3 MILES
DAMAGE WIDTH: 1.5 MILES CROSSING I-65.
NOTE: MORE DETAILS ON THIS SURVEY TO COME



likey a new update comeing out any time now or vary soon
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Quoting Tazmanian:



no lol they have not updated the site yet

Wiki has been adjusted back to show EF4. If people keep messing around, we'll have to lock the page.

It may wind up being upgraded to EF5--but it's not there, not yet.
Member Since: November 8, 2009 Posts: 4 Comments: 13275
Severe Weather Alerts

Severe Thunderstorm Warning for Cheatham, Davidson, Dickson, Hickman and Williamson County in TN until 8:00pm CDT. #tnwx about 3 hours ago
Severe Thunderstorm Warning for Choctaw County in MS until 8:00pm CDT. #mswx about 3 hours ago
Tornado Warning for Maury County in TN until 6:45pm CDT. #tnwx about 4 hours ago
Tornado Warning for Maury County in TN until 6:30pm CDT. #tnwx about 4 hours ago
Tornado Warning for Maury and Williamson County in TN until 6:15pm CDT. #tnwx about 4 hours ago
Tornado Warning for Lawrence, Lewis, and Maury County in TN until 6:00pm CDT. #tnwx about 5 hours ago
Severe Thunderstorm Warning for Adair, Barren, Cumberland, Metcalfe and Monroe County in KY until 5:45pm CDT. #kywx about 5 hours ago
Tornado Warning for Lawrence and Wayne County in TN until 5:30pm CDT. #tnwx about 5 hours ago
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Quoting TomTaylor:
So that would be the 3rd one?



yes but waiting for confrom from NWS be for we jump the gun
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Quoting Neapolitan:

That's someone playing around or jumping the gun; as of 8:55 EDT this evening, the Birmingham says this:

TORNADO 9...TUSCALOOSA/BIRMINGHAM (GREENE/TUSCALOOSA/JEFFERSON
COUNTIES)

PRELIMINARY DATA...
EVENT DATE: APRIL 27, 2011
EVENT TYPE: EF-4
ESTIMATED PEAK WINDS (MPH): UP TO 190
INJURIES/FATALITIES: OVER 1000 INJURIES/AT LEAST 65 FATALITIES.
EVENT START LOCATION AND TIME: 33.0297/-87.935 AT 443 PM
EVENT END LOCATION AND TIME: 33.6311/-86.7436 AT 614 PM
DAMAGE PATH LENGTH (IN MILES): APPROXIMATELY 80.3 MILES
DAMAGE WIDTH: 1.5 MILES CROSSING I-65.
NOTE: MORE DETAILS ON THIS SURVEY TO COME



no lol they have not updated the site yet
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Quoting Tazmanian:
here what Wikipedia says waiting for Confirm from NWS

Tuscaloosa/Birmingham tornado


The National Weather Service has determined the path length of this violent tornado to be 80.3 miles with a maximum damage path width of 1.5 miles; it has been preliminary classified as an EF-5 tornado with peak winds up to 205 mph. Initial reports from Tuscaloosa and Birmingham indicated at least 65 people were killed, with over 1000 injured in the Tuscaloosa area alone.[73] This would make it the deadliest tornado in the United States since 1955, when a tornado killed 80 people in the town of Udall, Kansas[74][75] This makes it the deadliest single tornado ever to strike the state of Alabama.[76] The number of fatalities may increase as recovery efforts and damage surveys continue. President Barack Obama and First Lady Michelle Obama visited Tuscaloosa on April 29, taking a ground tour of some of the affected areas. Obama was quoted as saying that he has "never seen devastation like this." He stated further that he had already declared a federal state of emergency in Alabama.[77]
So that would be the 3rd one?
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Quoting Tazmanian:
here what Wikipedia says waiting for Confirm from NWS

Tuscaloosa/Birmingham tornado


The National Weather Service has determined the path length of this violent tornado to be 80.3 miles with a maximum damage path width of 1.5 miles; it has been preliminary classified as an EF-5 tornado with peak winds up to 205 mph. Initial reports from Tuscaloosa and Birmingham indicated at least 65 people were killed, with over 1000 injured in the Tuscaloosa area alone.[73] This would make it the deadliest tornado in the United States since 1955, when a tornado killed 80 people in the town of Udall, Kansas[74][75] This makes it the deadliest single tornado ever to strike the state of Alabama.[76] The number of fatalities may increase as recovery efforts and damage surveys continue. President Barack Obama and First Lady Michelle Obama visited Tuscaloosa on April 29, taking a ground tour of some of the affected areas. Obama was quoted as saying that he has "never seen devastation like this." He stated further that he had already declared a federal state of emergency in Alabama.[77]

That's someone playing around or jumping the gun; as of 8:55 EDT this evening, the Birmingham NWS says this:

TORNADO 9...TUSCALOOSA/BIRMINGHAM (GREENE/TUSCALOOSA/JEFFERSON
COUNTIES)

PRELIMINARY DATA...
EVENT DATE: APRIL 27, 2011
EVENT TYPE: EF-4
ESTIMATED PEAK WINDS (MPH): UP TO 190
INJURIES/FATALITIES: OVER 1000 INJURIES/AT LEAST 65 FATALITIES.
EVENT START LOCATION AND TIME: 33.0297/-87.935 AT 443 PM
EVENT END LOCATION AND TIME: 33.6311/-86.7436 AT 614 PM
DAMAGE PATH LENGTH (IN MILES): APPROXIMATELY 80.3 MILES
DAMAGE WIDTH: 1.5 MILES CROSSING I-65.
NOTE: MORE DETAILS ON THIS SURVEY TO COME
Member Since: November 8, 2009 Posts: 4 Comments: 13275
220. skook
Tornado causes damage, injuries
By Susie Nordqvist and Hayden Donnell

A roof has collapsed at a mall in the Auckland suburb of Albany and the building is being evacuated, reports say. Police have confirmed injuries in the area.

The Fire Service has dispatched multiple appliances to the area and is receiving 111 calls from residents...
Link
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Quoting eddy12:
neap the spiders in minnesota it says theoretically maybe by 2080. The penguins article climate change is thrown in but the article more blames overfishing just a couple of examples but i could go on.

The spider article gives a range of years up to 2080; the maps show the migration during intermediate years (2020 and 2050). And, in fact, that migration is taking place right now.

I didn't at all get the idea that the penguin article was blaming overfishing. In fact, the only reason fishing is mentioned is that warming-induced migrations of the sardines on which the penguins feed is forcing them closer to commercial fishing areas.

In short, neither of these seem a reach; they are both evidence of changes taking place because of warming.

Member Since: November 8, 2009 Posts: 4 Comments: 13275
Quoting CanesfanatUT:


You may consider the economics of alternative forms of energy are quite uneconomic. Else someone would have done it a while ago, no?

I mean, there HAS to be a reason for the heavy ethanol subsidies, right???


The reason is the corn lobby. Only a @#$%$! idiot would use corn as stock for ethanol fuel. Not only is it a key food crop and taxing on soil, but it has an absolutely terrible yield (just barely above break even).

Subsidies are not supposed to be life support for stupid ideas or provide corporate welfare. If the system was working as intended, corn based ethanol would have been killed before it got started and oil subsidies would have ceased decades ago.

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here what Wikipedia says waiting for Confirm from NWS

Tuscaloosa/Birmingham tornado


The National Weather Service has determined the path length of this violent tornado to be 80.3 miles with a maximum damage path width of 1.5 miles; it has been preliminary classified as an EF-5 tornado with peak winds up to 205 mph. Initial reports from Tuscaloosa and Birmingham indicated at least 65 people were killed, with over 1000 injured in the Tuscaloosa area alone.[73] This would make it the deadliest tornado in the United States since 1955, when a tornado killed 80 people in the town of Udall, Kansas[74][75] This makes it the deadliest single tornado ever to strike the state of Alabama.[76] The number of fatalities may increase as recovery efforts and damage surveys continue. President Barack Obama and First Lady Michelle Obama visited Tuscaloosa on April 29, taking a ground tour of some of the affected areas. Obama was quoted as saying that he has "never seen devastation like this." He stated further that he had already declared a federal state of emergency in Alabama.[77]
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Quoting alfabob:


Overall tornado activity from F3-F5 has been trending downwards over the years because strong development depends on the availability of cold air. Except cold air still exists and when it is forced southward towards CONUS, and you have large amounts of moisture coming from the ever increasing SST you get explosive development. Here are the ingredients..polar vortex dipped down from 25th - 27th, stream of black stuff coming from the West. Both possibly linked to climate change via increasing ocean temperatures.



Yep. AGW is supposed to also make the Arctic colder.

I know some of you heard that the Arctic would be warming the most and the earliest, but this was apparently incorrect as we had some tornadoes within the last week.
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oh ok,thanks levi:)
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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.