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How to survive if your parachute fails to open? What are the scary signs of natural disasters? Find answers to these and other survival questions in our new video!
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00:00Well, you've finally made it. After all that training, you're ready for your first skydive.
00:06Full of confidence, you reach the door of the plane as it gets to 12,000 feet.
00:11You step off into the air, but at the last second, you hear the instructor screaming something.
00:16Sorry, I didn't check your chute.
00:18Well, you can't hear him as you drop away from the plane, seeing only his concerned expression.
00:23Well, feels like something has gone wrong.
00:25You pull the handle to release the parachute, but it hasn't deployed correctly, opening into a big lot, and you're
00:32now spinning faster and faster.
00:35You're getting dizzy, but you need to pull yourself together.
00:38Each second is crucial, and from this altitude, you have less than a minute to act.
00:42You throw yourself into the Bowman formation, spreading your body out with your arms and legs forming a big X.
00:48This creates a little more drag, allowing you to stabilize a bit.
00:52Hey, this whole thing is a drag.
00:54Now you have more time to get to your emergency reserve chute.
00:58Still dizzy from spinning, you try to remember where it is.
01:01You grab what you think is the right strap and pull it hard.
01:04Oh no, that's a leg strap!
01:07You've loosened the container on your back, and now you're slipping out!
01:10This is not your lucky day.
01:12You hold on and tighten up the leg strap.
01:14Oh yeah, the safety procedure is coming back to you now.
01:18Hmm, step one, cut away from the main parachute with the red handle.
01:21Done!
01:22Now you're in free fall again.
01:24Step two.
01:25Now find the silver ripcord handle to pop the reserve chute.
01:28Gotta hurry!
01:29The ground is rushing up at you.
01:31Where's that handle?
01:32Whoops, there it is!
01:33Sitting on your chest on the left.
01:35You yank it hard.
01:37K-thump!
01:38The chute flies out and deploys and slams the brake on your descent.
01:43Now you're relieved.
01:44Breathtaking?
01:45Heart pounding?
01:46Oh yeah!
01:47Finally, you can enjoy the view.
01:49For about 10 seconds before you land on the ground.
01:53Softly.
01:53Feet first.
01:54Hey, looks like fun.
01:56Sign me up.
01:57On another day, as always, instead of taking the stairs, you use the elevator.
02:02Now the odds of it falling are 1 in 10 million.
02:05You're 10 times more likely to be hit by lightning.
02:08But today, you're in that unlucky elevator.
02:11As you move down from the 5th floor, the pulley system fails, a cable snaps, and the elevator
02:17starts falling.
02:18Quickly, you lie down on your back, placing one arm around your head to protect it from
02:23the impact, and the other arm over your face to save it from possible falling objects.
02:28You spread your legs out evenly.
02:30In just a couple of seconds, you brace for impact.
02:33It crashes down, and debris from above falls around you.
02:36Fantastic job!
02:38You've avoided injury!
02:39But could it be possible to alter the impact by jumping?
02:43Well, let's think this through.
02:45If you jump too early, your impact would be more severe as your speed would increase in
02:50the descent.
02:51And if you jump too late, the velocity of your jump upwards would cause you to bump your
02:56head as the elevator would have stopped.
02:58You need to jump at the precise moment to be effective in velocity.
03:02And without the ability to see through steel, it would be down to sheer luck.
03:07So, it's better to use the lie-down method.
03:10Yeah, good luck with that.
03:13You casually drive to work, passing over the same bridge as any other day.
03:18Today, there's more traffic than normal, and you're stuck in a jam.
03:22The bridge starts to creak.
03:24Unfortunately, it's possible for structurally faulty bridges to collapse under excess weight.
03:29And there you are.
03:30As the bridge falls into the river, your car floats on top.
03:34The water is slowly rising around you as it starts to sink.
03:38You're trying to remain calm and take a deep breath.
03:41You have up to two minutes before the car completely sinks.
03:45You need to act fast and roll down the window.
03:47As you take off your seatbelt, you notice the water has risen above the windows.
03:52You try to roll them down, but they're stuck in place from the pressure.
03:56You've missed your opportunity.
03:57You're sinking further down and thinking about opening the door.
04:02Better not.
04:03This will make your vehicle sink even faster.
04:06Plus, it'll be more dangerous to exit.
04:08The car hits bottom, and the water is slowly entering it.
04:12You try to open the door, but the pressure is so intense that it won't budge.
04:16You think about the water coming in.
04:18Maybe if you waited until there's enough water inside, it could regulate the pressure,
04:23allowing the doors to open.
04:24But with the limited air that would remain, and if the doors still don't work, that's
04:29too much of a risk.
04:31Your only choice is to smash the window.
04:33You can do it easily due to the water pressure, and it spills in quickly.
04:38You take your last deep breath while holding onto the window frame.
04:41The car fills in quickly, and the suction suddenly stops.
04:45You pull yourself through the window and place your feet on the car, push upwards, and swim to
04:50the surface.
04:51Yeah, remind me not to carpool with you.
04:55Next, you're out hiking in a forest, and find the perfect place to view the sunset.
05:00You take a photo, and it looks great.
05:03But wait, which way is it back to camp?
05:05It's getting dark, and you have no idea how you got here.
05:09You check your phone.
05:11It has a map, so you'll be fine, right?
05:13Well, you've taken way too many nature pics, and the battery has run out.
05:17You can survive up to three hours without shelter in harsh weather.
05:21You can go without water for three days, and up to three weeks without food.
05:26You need to address your next actions in order of importance.
05:29So your first task is to build a shelter.
05:32You lean a large stick onto a tree for the roof support.
05:35Then you build two walls on the sides, making a sturdy frame.
05:39There are plenty of leaves in the forest, and you cover the roof with heaps of them for
05:43insulation and protection.
05:45On the inside, you build a nice leafy mattress.
05:48You enter and wait until morning, hoping to have a relaxing sleep.
05:53Well, you've slept horribly.
05:54But there's no time to leave a review on your booking app.
05:58The next task is finding water.
06:00You follow a clear decline in the land, eventually finding a stream.
06:04Clean water?
06:05Check.
06:05You continue to walk with the stream's flow, hoping it leads you to a river.
06:10You are more likely to find people and signs of civilization along large collections of water.
06:16Hours pass, and your belly grumbles.
06:18You look around for tasty snacks.
06:20There are berries and mushrooms, but you don't recognize them.
06:24So it's better not to eat something if you're unsure whether it's poisonous.
06:28You search under old logs and branches for bugs.
06:32You've found some mealworms that can be eaten raw.
06:34Some insects, when cooked, can be a major source of iron protein and vitamin B12.
06:40You look at them, and your appetite goes away.
06:42Hmm, maybe later.
06:44Finally, the stream connects to a river, and just ahead of that, a bridge.
06:48Not the one that fell down.
06:50Well, the struggle is over.
06:51You throw the bugs away and begin the next adventure, finding a diner.
06:56Yeah, we're not going camping together either.
07:00Next, you're walking in a field.
07:03The wind is picking up, and not far away, a tornado is forming.
07:07You start running away from it, but you can't outrun it as it travels up to 60 miles per hour.
07:12Your main concern isn't the tornado itself, but the trees and buildings that the Twister takes in, turning them into
07:18dangerous flying objects.
07:20They fly at crazy speeds, as they're carried by fast winds, reaching up to 300 miles per hour.
07:26You look for shelter, but there's nothing available.
07:29Your only possibility is a ditch that's not surrounded by trees or other breakable objects.
07:34You lie wedged in a ditch and cover your head with your jacket, holding it down with your arms for
07:40protection.
07:40While lying flat, with that thundering noise around you, you feel like you're in a giant jet engine.
07:46It's a terrifying sound, but luckily, you're not in the tornado's pathway.
07:51You can hear the small debris whistling over your head, and many make an impact, thudding all around you.
07:57But thankfully, they miss.
08:00Suddenly, everything goes calm.
08:02You lie there, controlling your breathing, trying to relax.
08:05You don't get up.
08:06Not yet, as the worst may be yet to come.
08:10Tornadoes can last from several seconds to up to an hour.
08:13You're not taking your chances and remain in your ditch for the full hour.
08:17But finally, when it's clear that it's gone, you dust off your jacket and head home.
08:24Meanwhile, you're really bad luck, so I'm removing you from my contacts and unfriending you on social media.
08:30And I'll do that once I get out of the hospital.
08:33Do you know how to behave with strangers and what to say to them to keep yourself safe?
08:39Here are some tips. Check if you know them all.
08:43You're on vacation and traveling solo.
08:46There's a long line of people waiting to check in at the hotel.
08:49It's your turn, finally.
08:50And the inexperienced receptionist happily announces that your room number will be 321.
08:56I know you're tired and can't wait to get into the room.
08:59But for your safety, ask the receptionist to give you a new room and write the number on a piece
09:04of paper this time.
09:06No one in that line needs to know where you'll be staying.
09:11Before entering the hotel room, make sure there's no one in the hallway.
09:14Lock the door the second you get inside.
09:17Before going to sleep, put some things in front of the door.
09:21If someone gets inside the room at night, they'll fall and wake you up.
09:26If someone in the hotel lobby asks you if you're traveling alone, always tell them,
09:30No, I'm with friends.
09:32The same rule works for planes, trains, and any other transportation.
09:36You never know if your fellow passenger is asking that out of curiosity to have a chat,
09:41or if they have something mean in mind.
09:45When someone asks if you're staying at that hotel, don't rush to answer,
09:49Sure!
09:49Instead, tell them you're waiting for a friend or colleague.
09:53If you ever need directions and someone offers to walk you to the place,
09:57politely reject that offer.
09:59I know how to get there.
10:01All they have to do is point you in the right direction.
10:03You never know where a stranger might take you if you blindly follow them.
10:09If a stranger asks,
10:10Where are you staying?
10:12Avoid the answer.
10:13Or give them some popular hotel name, like Hilton.
10:16Those hotels are everywhere.
10:18If you want or have to be more honest with them,
10:21Narrow down the area you're staying in,
10:23but never mention the exact hotel name.
10:25If a passerby gets too interested in you and won't leave,
10:29act weirdly.
10:30Pretend you don't speak their language,
10:31even if you just did like two minutes ago.
10:34Make weird faces,
10:35or start singing.
10:36The more attention you draw to yourself, the better.
10:39No one will do anything to a person everyone is staring at.
10:45When planning your travels,
10:47try to avoid arriving at a new place when it's dark outside.
10:50It's always easier to find your hotel in the light of day
10:53when there are more transfer options and people around.
10:57You'll feel more secure and save some cash.
11:01Speaking of cash,
11:03I guess we all know the good old trick of hiding it in your underwear,
11:06money belt, or other accessories.
11:08But always make sure to have at least some money in a dummy wallet.
11:12If the worst happens and someone wants it,
11:14you can always throw it at them to not make them angry
11:17because you have nothing to give them.
11:20When ordering food,
11:21you don't have to give them your real name.
11:23If you feel uncomfortable inventing a fake name for yourself,
11:26just say it's for someone else and use some common name.
11:32If you ever have to give your address at a crowded pharmacy or the store,
11:36say, sign up for a loyalty program.
11:38Never say it out loud.
11:40Whisper it or write it on paper so strangers don't hear it.
11:45You've just finished some successful shopping.
11:47You return to the most empty and dark parking lot at the mall
11:51and get in your car.
11:52Wait, is that a jacket on your windshield?
11:55You decide to get it off.
11:57Stop right there.
11:58This is a trick bad guys use to get in and drive away in your vehicle.
12:03Let security know about it and ask them to escort you to the car
12:06and wait until you go away safely.
12:13The same trick works with flat tires.
12:15If you notice it after a visit to your favorite store or restaurant,
12:19go back in and ask someone to help you.
12:22If you approach your car alone,
12:24someone might come up to you and offer help.
12:26And that someone will most likely be the person to blame for your flat tire.
12:33When you exit your workplace,
12:35no matter if it's a small store or an office,
12:37never answer the question about your working hours directly.
12:41Tell whoever is wondering they aren't fixed
12:43and the manager decides about them.
12:45And if someone is wondering if you're working alone,
12:48always tell them there's someone else in the back.
12:52Did you enjoy making up secret languages and code words as a child?
12:56You can now use this skill for your safety.
12:59Agree about a secret phrase with your family or close friends to share if you can't talk or text usually.
13:08You can take this life-saving game to the next level
13:14and decipher the name of the highway you're on
13:16or the mall where you got in the car with someone you no longer feel comfortable about.
13:24Knowing some basic self-defense techniques never hurts,
13:27even if you, hopefully, never get to use them.
13:30Remember, the most vulnerable spots to aim for are the eyes,
13:33the nose, the jaw, the Adam's apple in the front of the neck,
13:37the solar plexus just below the ribs,
13:39the knee, and the instep.
13:44If you ever have to share an elevator ride with a stranger,
13:47stand with your back to the buttons panel.
13:49This way, they won't be able to stop it between the floors.
13:54Never check in on any social media when you arrive at your restaurant, hotel, or new mall.
13:59Do it after you leave.
14:00Your friends will be just as excited or jealous.
14:03Whatever you're aiming for.
14:04And you'll protect yourself from digital stalkers.
14:07Those people can track down anyone,
14:09especially if you have a public account.
14:12If you don't feel comfortable living alone in your new area,
14:15make it look like you actually don't.
14:17Drop a couple of pairs of slippers of different sizes on the outside doorstep.
14:21This way, whoever is interested will get the idea several people live inside.
14:29Get to know your neighbors.
14:30You may or may not end up making new friends.
14:33But at least you'll have some people who know you
14:35and will react if they notice some suspicious action around your house or apartment.
14:40Once you see you can trust them,
14:42you can also let them know when and how long you're leaving your home.
14:47Check the lighting in your building.
14:49Let maintenance staff know about any dark spots or missing light bulbs in the hallways.
14:54Parking lots, storage rooms, mail rooms, stairwells, and other common areas need proper lighting
15:00to avoid dangerous situations.
15:04When you're walking home alone,
15:06resist the urge to play some music in your headphones
15:08or call someone to feel safe while talking to them.
15:12When you're on the phone,
15:13you're more distracted, without peripheral vision,
15:16and with only one hand to protect yourself if you have to.
15:20Imagine someone is following you in the street.
15:22You cross the street and they do the same.
15:24You get off the busy road and they do the same again.
15:28Don't get too far from the main road.
15:30Stop and pretend you've forgotten something.
15:32Pat your pockets.
15:33Act like you're looking for something.
15:35Say your wallet.
15:36Don't pretend to be looking for the phone.
15:38The stalker might believe you don't have it and get their hopes up.
15:45Start walking in the opposite direction.
15:48It's unlikely they'll want to follow you into a busy street.
15:51Plus, if you're acting as good,
15:53they might lose interest in you since you don't have money.
15:57Try walking into the first coffee shop you see.
16:00Head straight to the bathroom and wait for 5 to 10 minutes.
16:03If the stalker is still there,
16:04ask staff members for help when you walk out.
16:11If you have to wait for public transport when it's dark,
16:14try to stay near other people who are also waiting.
16:16If there's not one,
16:17stay inside some building in a well-lit area
16:19until your transport arrives.
16:22When the bus is finally there,
16:24look around.
16:25If someone is acting weird or seems suspicious,
16:27let the driver know.
16:28Since there probably won't be a lot of passengers,
16:31don't go to the farthest corner of the bus.
16:33Stay closer to the driver to ask for help if you have to.
16:37This is John.
16:38John seems to attract all kinds of bad weather
16:41and natural disasters wherever he goes.
16:44See for yourself.
16:46One day,
16:47John notices his dog is restless.
16:49The pooch keeps scratching the entrance door
16:50and wandering around the house.
16:52He even tries to hide in the corner,
16:54howling and barking.
16:56When some mugs start to clink in your cupboard,
16:59John realizes what it means.
17:00The noise is produced by four shocks.
17:03Many earthquakes leading up to the main event.
17:07Earthquakes often happen in clusters.
17:09After a few weak quakes,
17:11a much bigger one is likely to be on the way.
17:15Sometime before the disaster strikes,
17:17people might notice bizarre blue lights.
17:19Some of them seem to be coming out of the ground.
17:21Others are hovering in the air.
17:24These are earthquake lights.
17:26They may appear days or mere seconds
17:29before the ground starts shaking.
17:31Now,
17:32John is walking along the ocean shore.
17:34Suddenly,
17:35he sees the water retreat from the beach.
17:37Really, really fast.
17:39Uh-oh.
17:40John,
17:41run away as quickly as you can
17:42and find some high ground.
17:43A tsunami is coming.
17:45And your life might depend on how fast you react.
17:48If John spots a bizarre and unexpected rise in sea level,
17:52it can be another sign of an approaching tsunami.
17:55This happens in 40% of cases.
17:57The incoming water is the first tsunami wave.
18:01The second one,
18:02way,
18:03way larger,
18:04will come in in about 10 minutes.
18:06John can also notice seawater bubbling,
18:09swirling,
18:10and creating bizarre patterns.
18:11It's another sure sign a tsunami is near.
18:15Hmm.
18:16John feels there's something strange about the sun.
18:19Through his special super dark sunglasses,
18:22he sees that there's some uneven flares around the star's contour.
18:25If these bizarre rays are accompanied by auroras all over the world,
18:30they're a sign of a solar storm.
18:33Such storms are usually caused by disturbances in the sun's magnetic field.
18:37In this case,
18:38the bursts of gas and radiation on the surface of the sun
18:41get so massive and powerful
18:43that they can even reach our planet.
18:46Luckily,
18:47solar storms aren't really dangerous for people,
18:49but they can mess with electricity
18:51and even cause blackouts.
18:53The sky over John's head is darkening
18:56and turning ominously green.
18:58Something hits him on the forehead.
19:00Ouch!
19:01He picks up the offending object.
19:03It's a hailstone,
19:04but it's not that cold outside,
19:06and it's not raining.
19:08Soon,
19:08he hears some noise.
19:09It's approaching rapidly
19:11and turns into a loud roar.
19:13It sounds as if a freight train is moving towards him,
19:15but it's not a train.
19:17It's a tornado.
19:18The funnel isn't visible behind a cloud of debris,
19:21but John can't mistake this rotating column of air
19:25for anything else.
19:27Are you on the road, John?
19:28Then get as far away from your car as you can.
19:31Fast!
19:31Find a ditch,
19:32lie down in it,
19:33and cover your head.
19:34Oh, you're inside?
19:35Then get away from the windows
19:37and hide underground if possible.
19:39And please,
19:40John,
19:41be very careful
19:42if you spot some conically shaped clouds.
19:44Those mean severe storms.
19:46And if you notice that such a cloud starts spinning around,
19:49immediately search for shelter.
19:51The cloud is transitioning into a tornado
19:53right in front of your eyes.
19:56On the bright side,
19:57John should only worry about warm conical clouds.
20:00Cold ones are totally harmless.
20:02The only problem is to figure out
20:04the temperature of the cloud he sees.
20:06Duh!
20:08Ah, look.
20:09John just spotted some weirdly shaped trees.
20:11They look like the letter J
20:13and grow on a slope.
20:14It means the ground under John's feet
20:16is likely to be unstable.
20:18If he keeps wandering around,
20:20it can cause a bad landslide.
20:23Square waves appear
20:24when two different wave patterns
20:26crash into each other.
20:27This phenomenon does look kind of awesome.
20:30No, don't go into the water, John.
20:32Keep watching it from the shore.
20:34Cross currents in that spot
20:35can easily pull even a skilled swimmer
20:37under the surface.
20:39John keeps walking along the shore.
20:41At one point,
20:42he sees wild,
20:43choppy waves
20:44carrying ocean debris
20:45and seaweed.
20:46This time,
20:47he stays out of the water.
20:48He knows it can be a sign
20:50of a strong rip current.
20:51It can carry a swimmer
20:53far away into the ocean.
20:56How about a walk in the park?
20:59John likes this idea.
21:00The sun is shiny
21:01and the sky is so blue and beautiful.
21:04Suddenly,
21:05he spots a rapidly growing vertical cloud.
21:07At first,
21:08it looks bright white.
21:10But as it approaches,
21:11alarmingly fast,
21:13it becomes dense
21:14and inky.
21:15The sky is darkening.
21:16It's getting windy.
21:18That's when the guy notices
21:19that his hair stands on end.
21:21It's his cue
21:22that he's about to get hit
21:23by lightning.
21:24At this very moment,
21:25positive charges are rising
21:27through his body.
21:28They're reaching towards
21:29the negatively charged
21:30part of the storm.
21:31If he doesn't react fast,
21:33these charges will meet.
21:35There's nowhere to hide,
21:36so John should crouch down
21:38and try to make himself
21:39smaller than the objects
21:40around him.
21:41Oh no.
21:42John,
21:42don't lie down on the ground.
21:44It may be damp
21:45and thus,
21:46a great conductor
21:47of electricity.
21:49There are other signs
21:50that scream danger
21:51during a lightning storm.
21:52John's palms
21:53may begin to sweat.
21:54He might hear
21:55bizarre crackling
21:56and buzzing sounds
21:57coming from metal objects
21:58nearby.
22:00His skin can start tingling.
22:02There might be
22:03a strange metallic
22:04taste in his mouth.
22:05Plus,
22:06John is likely
22:06to smell chlorine.
22:08That's how ozone smells.
22:11Electrical charges
22:12split the molecules
22:13of nitrogen and oxygen,
22:15which are the main gases
22:16making up the atmosphere,
22:17into separate atoms.
22:18When these atoms
22:20come together again,
22:21some of them
22:21produce molecules
22:22made up of
22:23three oxygen atoms.
22:24That's ozone.
22:25We can smell it
22:26during a thunderstorm
22:27because downdrafts
22:29bring this gas
22:29from high altitudes
22:31to your level.
22:33Some bugs
22:34can feel a storm coming.
22:35They get ready
22:36for a natural disaster
22:37by freezing.
22:39So,
22:39when John notices
22:40that insects around him
22:41look drowsy,
22:42he knows to get ready.
22:44Oh,
22:44and bees can predict
22:46heavy rainstorms.
22:47These critters
22:48begin to work
22:49much harder
22:49the day before
22:50it starts raining.
22:52While walking
22:53next to the river
22:54during a period
22:55of heavy rains,
22:56John hears
22:57a roaring sound.
22:58He feels paralyzed
22:59with fear.
23:00It's likely to be
23:01a flash flood
23:02moving in his direction.
23:03Indeed,
23:04he soon sees debris
23:05coming down
23:06with the flow.
23:07The water is rapidly
23:08changing its color,
23:09becoming muddier
23:10and darker.
23:12Flash floods
23:12are very,
23:13very dangerous.
23:15Take care of your safety
23:16immediately,
23:16John.
23:18Another day,
23:19John sees
23:19a spectacular wall cloud.
23:21It seems to be
23:22stretching for up
23:23to five miles.
23:24In the best case scenario,
23:25it's just a severe
23:26storm coming.
23:27But if the wall cloud
23:28begins to move
23:29in a circle,
23:30it's a sure sign
23:31of a tornado.
23:33John is walking
23:34across a snow field
23:36in the mountains,
23:36listening to the sounds
23:38the ice under his feet
23:39makes.
23:39The noise is kind of hollow.
23:41Hmm.
23:42Quickly check
23:43whether there are cracks
23:44around your footprints,
23:45John.
23:46If so,
23:46the chances are
23:47an avalanche
23:48is about to happen.
23:49Soon,
23:50John sees an avalanche
23:51moving in his direction.
23:53He does his best
23:54to get off the slope.
23:55In most cases,
23:56he could probably
23:57run it by heading downhill
23:58and then veering sideways.
24:00But not this time.
24:01He realizes
24:02he doesn't have enough time
24:04and heads for
24:04the nearest tree.
24:05If John keeps
24:06holding on to it
24:07really tightly,
24:08the avalanche
24:09might not
24:09pull him along.
24:11But if this doesn't work,
24:12he should try to swim
24:14up to the snow's surface
24:15while the avalanche
24:16is still moving.
24:18On a pretty nice
24:20summer evening,
24:21John notices
24:21leaves with soft stems
24:23droop all of a sudden.
24:24Ah,
24:25it might be because
24:26of an upcoming storm.
24:27Right before
24:28extreme weather arrives,
24:29the air usually
24:30becomes more humid.
24:32Leaves also get damp
24:33and heavy,
24:34and the wind
24:35easily flips them over.
24:37John lives
24:38in a pretty old house
24:39and is used to
24:40having cracks
24:40in the interior walls.
24:42But one day,
24:43he notices that
24:44some of them
24:44have widened.
24:45And look,
24:46there are a few
24:46new ones.
24:47It's an alarm bell.
24:48He lives in an area
24:49with loads of limestone.
24:51So new cracks
24:52can mean a sinkhole
24:53is about to open
24:54next to his house.
24:56John is hurrying home,
24:58trying not to waste time
24:59admiring shelf clouds.
25:00They look like something
25:01from a sci-fi movie.
25:03They form when
25:04warm and moist air
25:05gets caught
25:06in a thunderstorm updraft.
25:07And these ominous clouds
25:09most often mean
25:10a storm is coming.