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  • [CLOCK TICKING]

  • [MUSIC PLAYING]

  • CARL AZUZ: Hey, everyone.

  • Thank you for taking 10 minutes to get

  • up to speed on world events.

  • For CNN 10, I'm Carl Azuz.

  • A natural disaster in the US state of Alabama

  • headlines our show today.

  • Lee County, which is in the eastern part of the state,

  • was struck by tornadoes on Sunday afternoon.

  • Just before 3:00 Eastern time, the area

  • received its first tornado warning,

  • an official alert that means a tornado has been

  • seen or identified by radar.

  • The first reports of damage in Lee County

  • came just five minutes later, indicating

  • that people there had barely any time at all to take shelter.

  • There was a second tornado warning about half an hour

  • later and more reports of damage 13 minutes after that.

  • The National Weather Service says

  • in all at least 12 tornadoes touched down in Alabama

  • and Georgia on Sunday.

  • Lee County, Alabama Sheriff Jay Jones called

  • the destruction catastrophic.

  • JAY JONES: Houses completely destroyed.

  • Homes that just basically just slabs

  • left where once stood a home.

  • Massive damage.

  • Some of the specific areas, the contents of Warren residents,

  • we know for a fact were located over 1,000 yards away.

  • CARL AZUZ: At least 23 people were killed.

  • It was Alabama's deadliest day for tornadoes since 2011.

  • Dozens of homes were lost.

  • Businesses were damaged.

  • Parts of a school were hit.

  • A shelter was set up on Sunday at a local Baptist Church,

  • and dozens of people took advantage of it.

  • Across the state border in Talbot County, Georgia,

  • emergency officials say at least 15 structures

  • were destroyed, including an apartment

  • building and some homes.

  • The pastor of a church there says

  • it hit so quickly that people couldn't have planned for it.

  • States of emergency were declared in Alabama and Georgia

  • to speed up money and assistance to those who need it.

  • Private donations and offers to help

  • were also coming in from all around the affected areas.

  • ALLISON CHINCHAR: This is a two-dimensional look

  • at a storm on radar.

  • But meteorologists see a tornado.

  • But what is it exactly that meteorologists see?

  • Well, let's take a look.

  • The yellow and green colors you see here

  • are going to be your very heavy rain in the storm.

  • The red color indicates your hail core.

  • And then all the way down there, the purple circle, that's where

  • your tornado is going to be.

  • Meteorologists often refer to it as the hook

  • echo, because of the hook shape that it ends up taking.

  • But these aren't the only features we look for.

  • We also have to take a look at the winds inside the storm.

  • Imagine this flagpole was inside of our storm,

  • and the flag's going all the way up

  • to the very top of the cloud.

  • The thing is the wind changes direction as you go up.

  • So this naturally creates that rotation necessary for funnel

  • clouds and also even tornadoes.

  • So now let's take a look at the base of that storm.

  • What you have is you have very warm inflow,

  • warm air coming into the storm and rising, because that's

  • what warm air does.

  • It goes up.

  • But you also have cold air coming down

  • from the tops of the clouds and sinking all

  • the way down towards the base.

  • Now together, these help to create wind

  • shear down near the perimeter.

  • And that is what helps create some

  • of the more violent tornadoes.

  • Now what if your tornado has been on the ground

  • for at least a little bit.

  • Then you start to get this--

  • the debris cloud-- which is essentially a collection of all

  • of the stuff the tornado has been able to pick up,

  • everything from dust to trees to even homes.

  • ANDERSON COOPER: Ladies and gentlemen,

  • the 2013 CNN Hero of the Year is Dr. Ricardo Pun-Chong.

  • RICARDO PUN-CHONG: We are here tonight,

  • because people believe in us.

  • - An incredible night.

  • And when he returned to Peru, crowds gathered to greet

  • Ricardo at the airport.

  • He's been hailed a national hero.

  • For years, Ricardo dreamed of building a brand new shelter

  • on land he'd secured.

  • RICARDO PUN-CHONG: This land.

  • - Now he says thanks to the $100,000 CNN

  • prize and donations made to his nonprofit,

  • he can start construction.

  • The new space will allow him to triple the number

  • of people he can serve.

  • RICARDO PUN-CHONG: The kids inspires me everyday.

  • They are fighters, warriors.

  • Really, they are heroes.

  • CARL AZUZ: Remembering the 2018 CNN Hero of the Year,

  • Dr. Pun-Chong and the other heroes

  • like him are everyday people whose action

  • is changing their community.

  • This could be through mentoring young people.

  • It could be through helping make sure every poor child

  • in the community has a new bed to sleep on.

  • Nominations are now open for 2019 CNN heroes.

  • You can tell the network about someone who inspires

  • you by visiting CNN.com/heroes.

  • - Ten-second trivia.

  • When an object travels faster than 760 miles per hour at sea

  • level, it's said to be what?

  • At Mach 2, Supersonic, Hypersonic, or At

  • terminal velocity?

  • 760 miles per hour is about the speed of sound at sea level.

  • So if you're going faster than that, you're supersonic.

  • CARL AZUZ: Above sea level, sound doesn't travel as fast.

  • So planes don't have to be going quite

  • as quickly to be supersonic.

  • Still mach 1, or the speed of sound,

  • is not something that's reached by passenger planes.

  • At least, not anymore.

  • This is the Concorde.

  • It's being remembered this week because it

  • just marked the 50th anniversary of its first test flight.

  • You can only see it in museums now, not in the skies.

  • But when it was airborne, the Concorde could cruise

  • at twice the speed of sound--

  • Mach 2, 1,350 miles per hour.

  • Flying on it is said to have been extremely noisy,

  • and it was expensive.

  • A round trip ticket between London and New York

  • could set you back $16,000, and that was 20 years ago.

  • But before its age, operating costs,

  • and a single but horrific accident

  • led to its last flight, the Concorde was the ultimate jet

  • for jetsetters.

  • - Imagine being able to fly 60,000 feet above the ground

  • at more than twice the speed of sound, traveling from New York

  • to London in just 3 and 1/2 hours at the height of luxury.

  • It might sound futuristic, but this feat of engineering

  • became a reality 50 years ago.

  • At an airfield in southwest France on March the 2nd,

  • 1969, Concorde One took flight, proving

  • that commercial supersonic air travel is possible.

  • It had taken an unprecedented collaboration between Britain

  • and France to realize the project, which was reflected

  • in its name, a word used in both French and English

  • to mean agreement, harmony, and union.

  • Its construction was one of the most complex in aviation

  • history, and the now iconic design was actually the result

  • of cutting edge engineering.

  • For example, the Delta wing, designed

  • to minimize drag at high speed but maximize lift at takeoff,

  • was the result of over 5,000 hours of wind tunnel testing.

  • Super powerful engines were needed

  • to accelerate the Concorde's 1,350 mile per hour

  • supersonic speed, and it remains the only passenger

  • plane ever to use turbo jet engines with afterburns.

  • The extra long nose cone had to be specially designed

  • to droop so that pilots could see during steep takeoff

  • and landing angles.

  • The result of all this innovation

  • was a plane that when it entered service in 1976

  • could fly five miles higher and 800 miles per hour faster

  • than the competition.

  • But supersonic speed was anything but super cheap.

  • With around 100 seats and superior service,

  • Concorde quickly established an aura of exclusivity.

  • Royals, including the queen, were

  • among its notable passengers.

  • And ultimately, despite its engineering excellence,

  • Concorde's expense contributed to its downfall.

  • Economic issues were compounded in 2000 by a crash in Paris,

  • killing everyone on board and four on the ground.

  • And despite briefly resuming service a year later,

  • Concorde made its last commercial flight from New

  • York to London in 2003.

  • Though the supersonic dream was a reality for just 27 years,

  • it lives on in aviation history.

  • [MUSIC PLAYING]

  • CARL AZUZ: Every fall, a number of publications

  • give advice on how to winter proof your home,

  • but who could have expected this?

  • Now you see it--

  • nice little house-- now you see it covered in ice.

  • It's located in upstate New York near the shore of Lake Ontario.

  • The heavy winds of a storm blew ice all over the house,

  • encasing it.

  • The woman who lives there says it's

  • four feet deep in some places.

  • Thankfully, she can still get in and out through a back door.

  • But when it comes to cold, if you don't love it,

  • you're going to list it and house hunt for something

  • farther south.

  • A fixer upper is better than a freezer upper.

  • And no matter how good its bones are,

  • a flip is a flop if this old house is a Vanilla Ice project

  • you didn't design on a dime.

  • You'd want to be trading spaces in no time.

  • I'm Carl Azuz for CNN 10.

  • [MUSIC PLAYING]

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中新網10日電】2019年3月5日。 ([CNN 10] March 5, 2019)

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