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WEATHER REPORT
Oklahoma tornado was strongest category: official
by Staff Writers
Washington (AFP) May 21, 2013


Only 'few' still missing after US tornado: police
Moore, Oklahoma (AFP) May 21, 2013 - Almost all those reported missing after a tornado ripped into the outskirts of Oklahoma City are accounted for and the total death toll is expected to be around 24, police said Tuesday.

A two-mile-wide twister tore through the Oklahoma suburb of Moore on Monday, demolishing homes and schools and spreading terror and chaos.

"I think overall, the medical examiner has actually confirmed 24 deaths. But four of those are in Oklahoma City, the remainder would be in Moore," Oklahoma City police chief Bill Citty told a news conference.

"There could be obviously others in the coming days. The search is still going on, heavily in Moore because they have such a large area to cover," he said, adding: "So we have a 24 right now. There could be more.

"All of the people that have been reported missing -- initially last night, about 48 -- all of those have been actually found except for I think a few left in Moore that they are working on to try to locate that have not."

State, local and federal rescue and recovery teams have been dispatched to the area following what President Barack Obama described as one of the most devastating tornadoes in US history.

The tornado passed on and dissipated, but the area is still being lashed by storms and hailstones, disrupting emergency work.

NBA: Thunder star Durant pledges $1 mn for tornado relief
Los Angeles (AFP) May 21, 2013 - Oklahoma City Thunder star Kevin Durant pledged $1 million through his charitable foundation toward Tornado relief efforts on Tuesday, as the NBA team also vowed to aid its stricken city.

The announcement of Durant's donation by the American Red Cross came as rescue teams were still combing through the Oklahoma City suburb where a massive storm left 24 people dead.

"Mr. Durant's gift and support to Oklahoma comes at a time of great need and we're forever thankful for his generosity," the Red Cross said in a statement.

Durant has been based in Oklahoma City with the Thunder since the team was moved from Seattle in 2008, changing its name from the SuperSonics to the Thunder.

The Thunder announced a joint donation of $1 million by the team and its charitable Thunder Cares Foundation to benefit the local chapters of the American Red Cross, Salvation Army and other disaster relief organizations.

"The funds will be used to give direct and immediate support for those in need, covering essentials such as food, water and shelter in the days and weeks to come," the team said.

The massive tornado that cut a wide and deadly swath through a suburban Oklahoma City town was a top category EF5 system with winds over 200 mph (321 kmh), a weather official told AFP Tuesday.

"It's an EF5," the most powerful tornado classification, said Kelly Pirtle of the NOAA national Severe Storms Laboratory in Norman, Oklahoma, of the wedge tornado that struck Moore, Oklahoma on Monday.

"We have looked at the damage, and estimated windspeeds, and they've determined that the damage is EF5," she added by phone from Norman.

That means the system, which blew homes off their foundations and sent debis flying almost 100 miles away, had "maximum winds over 200 miles per hour," Pirtle explained.

Rescue teams were still combing through a blasted moonscape that had been Moore after the monstrous tornado struck south of Oklahoma City, killing at least 24 people.

Passengers flying into Oklahoma City could see the track left nature's fury as it played out Monday: the spot where the tornado touched down then chewed through the suburb of Moore like a lawnmower for 45 terrifying minutes.

Nine children were among the dead and entire neighborhoods were obliterated.

Moore tornado a rarity: experts
Paris (AFP) May 21, 2013 - Tornados, among the most violent of atmospheric storms, rarely reach the size and brutality of the twister that swept through an Oklahoma City suburb on Monday, experts say.

And seldom do they hit built-up areas.

"Typically, they could be about 100 metres (110 yards) across, and they last maybe five to ten minutes on the ground," according to University of Reading meteorologist Ross Reynolds -- who said the people of Moore were in many ways unlucky.

They were confronted by a two-mile- (three-kilometre) wide storm that lasted about 45 minutes and was of a similar strength to the worst-ever tornado that hit the area 14 years ago but claimed fewer lives.

"It is bad luck that a tornado goes in a populated area, normally it is agriculture land... crops or farm buildings," said Reynolds.

"It is a horrible thing when they go through the cities -- the chances of that happening are very small" -- especially in such a sparsely populated region.

Revising a previous higher toll, officials said Tuesday that at least 24 people, including nine children, had died in the Oklahoma storm that packed winds of 166 to 200 miles per hour (267-322 kilometres per hour).

Tornados are spinning columns of air that touch the ground from massive cumulonimbus thunderstorm clouds.

They occur in regions of most continents except for the very coldest areas, and are also common in Argentina and Bangladesh.

The UK is said to get more tornadoes per square kilometre than the United States, but the central and southern American states of Texas, Oklahoma and Kansas get the most violent ones due to unique geographical and meteorological conditions.

Dubbed "Tornado Alley", this is where winds of widely varying temperatures -- warm and moist from the Gulf of Mexico, hot and dry from the desert and cool and dry from the Rocky Mountains and northern plains -- meet in volatile, potent storm clouds called "supercells" that can explode as tornadoes within half an hour from birth.

Most storms occur from May to June, and mainly between 4 pm and 9 pm, according to the US National Oceanic and Atmospheric Administration.

Tornado Alley can see three or four tornados per day in the high season, or about 1,200 for the entire country per year, but only about two percent reach dangerous levels with winds exceeding 265 kph and most of these hit land in rural areas.

According to Reynolds, weather conducive to tornado formation can be predicted a day in advance.

Local forecasters can then keep a careful eye on satellite and radar pictures of cloud- and rain-formation -- send out tornado-spotters to find the storms and estimate their speed and destination.

This allows officials to issue a 15-20-minute warning, hopefully enough time to dive into a tornado centre.

Experts say accurate records are too young and tornadoes too small and sporadic to predict whether they are likely to be impacted by climate change.

There was no proof that they were becoming more frequent or severe, said Reynolds.

"Climate models are currently unable to resolve small-scale phenomena such as tornadoes, and no models exist which can use climate model data to predict future tornado activity," said the UK Met Office.

But Andrew Barrett, also from the University of Reading, said warmer, moister conditions should "provide more energy for the types of storms that produce tornadoes in a warmer climate."

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WEATHER REPORT
Dozens dead as massive tornado strikes US city
Washington (AFP) May 21, 2013
A powerful tornado swept through an Oklahoma City suburb on Monday, tearing down blocks of homes, two schools and leaving up to 91 people dead, including 20 children, local officials said. US President Barack Obama declared a "major disaster" as rescuers combed through smashed homes and the collapsed remains of an elementary school in Moore, where twister-seasoned residents were shocked by t ... read more


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