Pratique du Shadowing: Dominator 3 Tornado Tank ULTIMATE Tour - Apprendre l'anglais à l'oral avec la vidéo

The inside of a tornado.

Only five research papers in history have data from in here.

And that's why we built this monster.

And everything about this vehicle is custom built.

The way that it looks, the way it operates, the instruments on it, everything is custom built by us.

Five, four, three.

This is real life Twister.

This is the most capable storm chasing vehicle on the planet.

This is the Dominator 3.

And as you can see, there's plenty of space for sponsors.

To study the inside of tornadoes, you can't set up a lab and expect one to come through.

So the best way is to build a lab on wheels and park the gear in the path.

But if the powerful winds get underneath a vehicle, this can happen.

A flip.

So that's why we've got this skirt on the bottom here.

This skirting has been added across the entire base of the outer armor, and that prevents wind from getting underneath the vehicle.

But right here you can see that there's some space where the wind can get underneath.

This is the height that we drive down the highway, but we get in the path of a tornado.

We have a system that lowers the vehicle and drives spikes into the ground, and we're going to show you that outside in a second.

It's this method, and the rocket system will also show you, that have the highest success rate.

So up here, check this out.

This is victim of the real problem of a tornado.

Hold on!

Hold on, Nate!

Flying debris.

This is heavy-duty plastic, and this was shattered and snapped off by a juniper tree inside that last tornado intercepted.

So that leads us to the armor system on the Dominator 3.

This is three-quarter inch steel, and this is what the shell of the Dominator 3 is made of, and we've covered that with this rough surface right here.

This is a Kevlar-based polyethylene, basically a bulletproof vest for the Dominator 3, and anything just bounces right off.

Okay, and over here protecting the lights is a quarter inch polycarbonate plastic that's also bulletproof.

And the Dominator 3 has a double window system.

We have an inner and an outer one for dual protection from flying debris.

So this is a polycarbonate windshield and look closely and you can see all these little dents.

Those are from pebbles moving at speeds of over 150 miles an hour inside of the tornado.

Now I'm going to show you how tough this stuff is.

That's tough.

Dominator tough.

Tornadoes do some weird things.

And recording these events helps to verify and guide other researchers' computer models.

And that's why we want to maximize our chances of getting great footage.

So that's why we've redesigned the entire back end of Dominator 3

and coated every square inch of it with polycarbonate plastic so that you can see up at the tornado,

you can see all angles of the tornado in progress and capture that very valuable high resolution footage.

We can also pop the back open

and there's plenty of room for our scientific gear including our rockets which I'm going to show you shortly.

Also plenty of room for adult diapers,

underwear, but under here these are the muscle and cardio systems of the Dominator 3.

When we talk about raising and lowering the vehicle this is what makes that happen.

Listen to them purr.

And if you go from the air compressors and follow these lines up here, they go up to our door system.

But these doors weigh 800 pounds with all the armor so

if you look up here we've got this complex valve system to support

that weight and to help you push them open from the inside yeah that's our lift system

that helps lift the heavy weight of the door.

And these gall wing doors aren't just for looks.

So when we're close to a tornado, we need to look at the sky.

But also when you're up close to a tornado, you're very near the hail core

and you could easily get a softball sized hailstone coming through the sky and hitting you in the head.

So these doors raise up and they give us added protection from overhead.

While the door is open, you can see the original truck door here

and then you can see all the armor we've added on on the outside, very thick.

Another advantage of the gull wing door system on the Dominator 3 is it fixes a big problem

that we found out with the Dominator 1 and 2.

So imagine you're out chasing a storm with Team Dominator

and you're out looking at a tornado and you have to hop in the Dominator fast.

All right, we gotta go guys, we gotta go.

Oh no, look at that, we can't go.

You actually can't shut the front door until the back one is closed.

It's because of how all the heavy armor fixed together.

So the people in the back might be out panicking, Maybe they're going to the bathroom, but this is a big problem right here.

But now it's fixed on Dominator 3 with the Gullwing lift system.

Pinch it off, we gotta go!

And the last thing before we jump in is I'm gonna show you the engine underneath all this.

Squeak, squeak, goes the Dominator 3.

So the whole reinforced hood of the Dominator 3 comes forward like this, giving us a look at the powerful engine inside.

This is a 6.7 liter turbo diesel engine, And this is what drives the 10,000 pound Dominator 3 at highway speeds of over 70 miles an hour.

And we can also accelerate very fast.

If we have to run from a tornado that's too powerful to intercept, this power stroke engine gives us the pick-me-up to get out of a hard spot.

And believe it or not, this thing gets about 16 to 17 miles per gallon on highway speeds.

And in case we need a pit stop, we get a flat tire, we have these protective flaps that we can lift up and access the wheel.

Heavy duty tires, of course.

All right, let's step inside the Dominator 3 and show you how we get our data.

Yep, eye contact, yep, okay, yep.

Three, two, one, release.

Well, welcome inside the cockpit of Dominator 3.

Good to have you.

Kind of a standard F-350 look from the inside.

See some cup holders, you can put your Mountain Dew energy drink right in here

but you can definitely see a couple things are added we've

got this peak of the armor the peak of the armor

on the hood is designed to funnel the wind up

and over the top of the vehicle so

that you don't get all this debris just slamming into the windshield

and this is where we're putting our updated live streaming panel

because yes we stream live our tornado intercepts and storm chases as it happens

looking in the back you can see

that we removed the bent seats of the ford f-350 and replaced it with three additional captain's chairs.

We pretty much live inside this vehicle.

Comfort is important as well.

100

You got a great storm chase?

101

So our research is divided into two modes, intercepts and rocket deployments.

102

Intercepts are measurements at the ground level of a tornado with the dominator.

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We actually started with super heavy ground probes that we would drop in the path of a tornado.

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But after having some tornadoes bend away and miss, we decided to turn the whole vehicle into one big probe.

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That way we can adjust forward and backwards with the tornado right up until the last second.

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So when we get in the path of the tornado and it's bearing down on us, I press number one to drop the vehicle flush to the ground.

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Bingo bingo bongo.

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So now we're flush to the ground but we want to make sure we're not thrown.

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So we hit this second switch.

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The spikes go into the ground about six or eight inches and that anchors us to the ground when the tornado arrives.

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Then we go to the outer switch.

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So we're lowered to the ground, the spikes are at, the windows are up, now we're in full-blown intercept mode.

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Intercepting a tornado is one of the most intense experiences of your life.

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The winds feel really powerful, so powerful that even dominator is bouncing up

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and down they make this really low roar almost like a freight train

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or a really loud waterfall like niagara falls uh the dramatic

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pressure fall makes it feel like a lot of weight is

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on the shoulders your eardrums are about to burst out

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and it happens really fast suddenly the sun is coming out

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you see the blue sky you see the tornado moving off in the distance

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and you realize that you survived it

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and then suddenly you're overwhelmed with happiness you realize

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that the dominator 3 got its job done and most importantly we know

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that we collected some incredible data from inside of the tornado.

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But as rare and valuable as that data is, it's from the ground level, just like those four other research papers.

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The Holy Grail now is actually getting data above ground level, in the heart of the tornado.

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It's only been done once, and that's where our rocket research comes in.

128

Team Dominator has spent over 10 years funding different methods trying to get probes inside, but we kept running into one problem.

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A wall of powerful sinking air surrounding the tornadoes.

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It would knock our probes out of the sky right before getting inside.

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But in 2019, we finally settled on a method that would punch through the sinking air.

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And here is the Team Dominator rocket.

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Our rocket has two main parts, the rocket itself and this right here.

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This is the Team Dominator Skyfall sensor, custom made by our science lead, Mark Simpson.

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We're going to fit this sensor inside the nose cone.

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We're going to attach a parachute on it, and we're going to get ready for launch.

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We also have a parachute inside of the rocket.

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It's all ready to go.

139

So we've got the sensor in the nose cone.

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We're going to stuff the nose cone on, and now we're ready for launch.

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To launch a rocket, we need to get in the perfect place in the storm, right in the inflow notch of the supercell.

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That's where all the wind is flowing in toward the tornado.

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and we need to be at least a quarter mile away from the vortex.

144

There we go.

145

Rockets attached.

146

So this stop right here is what keeps the rocket in place.

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We've got the blast plate.

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That's needed, too, to give the propulsion necessary to launch.

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And we have these long rods, too, because that stabilizes the flight path early on.

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And we have the two rocket engines.

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Now I'm just positioning it to connect the igniters to the engine.

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That's what provides just a little bit of fire in there to ignite the rocket engine.

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I'm going to make sure positives on one side and negatives on the other and they don't touch.

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This is very intense when you know you have an F4 tornado bearing down on you.

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It's going to stay just to our west.

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What's marked?

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Am I connected?

158

We now have continuity.

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I know that the red and the black are connected properly because the continuity lights are on.

160

Can you close your hands?

161

You gotta stand up and reach out.

162

All right, we are launching in 10, 9, 8, 7, 6, 5, 4, 3.

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Okay, so now the rocket is flying toward the tornado.

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It punches through the pocket of sinking air around the vortex.

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And once inside, the nose cone pops off and the parachute deploys, and it's carried around inside the vortex, just like the movie Twister.

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And we've got to get after the rocket.

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So as the probe is getting carried around inside of the tornado, we're immediately getting live data like this.

168

We've got pressure, relative humidity, we've got IMU acceleration, we've got our GPS position.

169

And we even have the data of exactly how the sensor is tumbling around in 3D.

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But right now we're only getting live data at one time per second.

171

But we actually have to recover the physical sensor to get the super high resolution data.

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But for the Lawrence to Linville, yeah, four tornado.

173

The tornado carried it over 26 miles away from where we launched it.

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Mark, is the rocket in the tornado right now?

175

I believe so.

176

How high is it?

177

10,000.

178

10,000?

179

10,000 feet?

180

No, 10,000 meters.

181

Yeah.

182

30,000 feet, guys.

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And there it is, the yellow.

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There it is right there, the nose cone.

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Made it that bright yellow color so you could see it easily.

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See the nose cone and the parachute?

187

and that is holding the sensor with the valuable data inside. So here it is.

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The moment of glory here when you retrieve the nose cone.

189

This contains the high resolution data from inside the tornado, the pressure fall, the wind speed, all that 3D information inside,

190

and it's all contained on the sensor in the nose cone.

191

So we're going to head back to the Team Dominator headquarters and show you the data right now.

192

So here's the actual data, the GPS positions of the rocket launch that we had into the Linwood EF4 tornado.

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These are the first ever data points measured above ground inside of a tornado core flow in history.

194

And so each of these are data points measured at a rate of five times a second.

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The red is the actual rocket.

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And so it was going toward the tornado.

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And then the parachute popped off with the nose cone and the miniaturized sensor.

198

And then it got entrained into the tornado.

199

So if we look from the top, you can see that it did nearly two revolutions around the inside of the tornado.

200

And at the same time, it was measuring a pressure fall of over 100 millibars.

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That's how you know it was inside the core flow of the tornado.

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And this probe then rode the mesocyclone up to 30,000 feet before falling to the ground near Leavenworth, Kansas, over 26 miles from the launch site.

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And we wouldn't have found the probe if we didn't post a picture of it.

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That's how we found the probe, over 26 miles away from the launch point.

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And thank you to Matthew and Jeremy for keeping their eyes open

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and finding that sensor in the lawn of a church in Leavenworth, Kansas.

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We're going to be doing another video

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and take a deeper dive into this first ever data collected above ground inside of a tornado.

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We're also going to talk about our future research plans, launching dozens of rockets into the tornado at the same time, dozens of sensors.

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That way we can measure gradients in pressure, gradients in temperature, and really get a three-dimensional understanding of the tornado.

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Storm season is about to get started in a big way.

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We're going to have several months of severe weather and storm chasing.

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So be sure to tune in to Team Dominator Live.

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Dominate that like button.

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Please subscribe to our channel.

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All we do is storm chase.

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We want to do it live.

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We want to do science.

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We want to increase awareness for severe weather.

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Never stop chasing.

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Vocabulaire et conseils d’expression pour cette leçon

Cette leçon d’expression orale de niveau B2 s’appuie sur la vidéo « Dominator 3 Tornado Tank ULTIMATE Tour ». Les mots qui reviennent le plus souvent : tornado, dominator, inside, rocket, ground. Cette vidéo contient 218 phrases et 2590 mots à répéter en shadowing. La partie parlée dure 14:56. Le locuteur parle à un rythme naturel d’environ 173 mots par minute, proche d’une conversation courante. 83 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.

Vocabulaire clé de cette vidéo

Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :

Mot	Prononciation	Sens
tornado nom	/tɔɹˈneɪ.doʊ/	tornade
sensor nom	/ˈsɛn.sɚ/	détecteur, capteur
cone nom	/ˈkoʊn/	surface conique, cône
probe nom	/pɹoʊb/	sonde, explorateur
intercept verbe	/ɪntɚˈsɛpt/	intercepter
armor nom	/ˈɑːɹ.mɚ/	armure
parachute nom	/ˈpæɹəʃut/	parachute
underneath adverbe	/ˌʌndɚˈniθ/	dessous
polycarbonate nom	/ˌpɑ.liˈkɑɹ.bə.neɪt/	polycarbonate
vortex nom	/ˈvɔɹtɛks/	tourbillon
debris nom	/ˈdɛbɹi/	débris
spike nom	/spaɪk/	clou, pointe
bulletproof adjectif	/ˈbʊlɪtpɹuf/	pare-balle, blindé
gradient nom	/ˈɡɹeɪdiənt/	pente
squeak verbe	/skwiːk/	craquer, crisser

Les verbes à particule que vous entendrez

Mot	Prononciation	Sens
come out verbe	/ˌkʌm ˈaʊt/	sortir
reach out verbe		tendre la main
set up verbe	/ˌsɛt ˈʌp/	mettre en place, installer
stand up verbe		se lever, se mettre debout
wind up verbe	/waɪnd ˈʌp/	remonter

Des phrases à répéter

Des phrases courtes et complètes de la vidéo, à réutiliser dans la conversation de tous les jours :

You got a great storm chase?
We've got the blast plate.
It's going to stay just to our west.
Can you close your hands?

La grammaire de cette vidéo

Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :

Structure	Dans la vidéo
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait	has been added · was shattered · is made
Present perfect have/has + participe passé — une action passée qui compte encore maintenant	has been added · we've covered · we've redesigned

Prononciation à surveiller

Le locuteur utilise 54 contractions et formes réduites, comme we're, we've, I'm. Prononcez-les sous leur forme courte, telles que vous les entendez.

Les sons « sh » et « zh »: parachute /ˈpæɹəʃut/, windshield /wɪnˈʃiːld/, flush /ˈflʌʃ/, propulsion /pɹəˈpʌlʃən/, shatter /ˈʃætɚ/
Mots longs — placez bien l’accent: polycarbonate /ˌpɑ.liˈkɑɹ.bə.neɪt/, continuity /ˌkɑn.tɪˈn(j)u.ə.ti/, accelerate /ɪkˈsɛl.əˌɹeɪt/, acceleration /əkˌsɛl.əˈɹeɪ.ʃən/, humidity /hjuːˈmɪd.ə.ti/

Les sons difficiles pour les francophones :

/h/ — il se souffle, il n’est pas muet: hailstone /ˈheɪlstoʊn/, humidity /hjuːˈmɪd.ə.ti/, hail /heɪl/, overhead /ˈəʊvəˌhɛd/
/tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: juniper /ˈd͡ʒunɪpɚ/, attach /əˈtæt͡ʃ/, pinch /pɪnt͡ʃ/, notch /nɑtʃ/, researcher /ˈɹiˌsɝ.t͡ʃɚ/
/r/ anglais — langue recourbée, sans frotter la gorge: tornado /tɔɹˈneɪ.doʊ/, probe /pɹoʊb/, armor /ˈɑːɹ.mɚ/, parachute /ˈpæɹəʃut/, polycarbonate /ˌpɑ.liˈkɑɹ.bə.neɪt/

Comment s’entraîner avec cette vidéo

Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme tornado, sensor, cone.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

Technique du shadowing : lire le guide complet étape par étape →

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Vocabulaire et conseils d’expression pour cette leçon

Vocabulaire clé de cette vidéo

Les verbes à particule que vous entendrez

Des phrases à répéter

La grammaire de cette vidéo

Prononciation à surveiller

Comment s’entraîner avec cette vidéo

Qu'est-ce que la technique du Shadowing ?

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