Severe Weather: Crash Course Kids #28.2 - By Crash Course Kids
Transcript
| 00:09 | Hi guys , welcome back today . We're going to | |
| 00:12 | talk about Sorry about that today we're going to talk | |
| 00:17 | about are you finished thunder ? Mhm . Thank you | |
| 00:23 | . Thunder is pretty excited because today's episode is all | |
| 00:26 | about it . Well , to be more specific . | |
| 00:28 | Today's episode is all about severe weather . But before | |
| 00:31 | things get all snowy , windy and rainy in here | |
| 00:34 | , let's bundle up and ask ourselves the big question | |
| 00:37 | . What exactly is severe weather and how is it | |
| 00:40 | different from regular weather ? We know that weather is | |
| 00:47 | a condition of the air or atmosphere on our planet | |
| 00:49 | , severe weather is the same thing . Only more | |
| 00:52 | extreme extreme . But what does that mean ? How | |
| 00:56 | do you know when weather is severe or extreme and | |
| 00:58 | when it isn't ? Well severe weather is any dangerous | |
| 01:01 | act of nature that puts people , animals or buildings | |
| 01:04 | at risk ? Some light rain probably wouldn't count as | |
| 01:07 | severe weather , but a thunderstorm with heavy rain and | |
| 01:09 | lightning would tornadoes , blizzards , hurricanes , floods and | |
| 01:13 | droughts are other forms of severe weather that can be | |
| 01:15 | dangerous to humans . But the more you know about | |
| 01:18 | these weather events , the less scary they see . | |
| 01:20 | Let's start with tornadoes . A tornado is a fast | |
| 01:23 | spinning column of air that stretches all the way from | |
| 01:25 | a thunderstorm cloud down to the earth's surface with wind | |
| 01:28 | speeds of up to over 300 kilometers an hour , | |
| 01:31 | tornadoes have the power to pick up and destroy everything | |
| 01:34 | in their path while not quite as windy as a | |
| 01:36 | tornado blizzards are storms with blowing or falling snow , | |
| 01:39 | high winds of their own and cold temperatures , Hurricanes | |
| 01:42 | or typhoons are storms with high winds and heavy rain | |
| 01:46 | that start over warm ocean waters and bring lots of | |
| 01:48 | water with them . Speaking of lots of water , | |
| 01:50 | let's talk flooding , floods happen when too much rain | |
| 01:54 | forces streams , rivers and lakes to overflow , sending | |
| 01:57 | lots and lots of water where it doesn't belong like | |
| 02:00 | your back yard . A drought is sort of the | |
| 02:02 | opposite . I think a lot less water or no | |
| 02:06 | water at all , droughts happen when an area doesn't | |
| 02:08 | receive enough rainfall , drying up rivers and lakes , | |
| 02:11 | killing trees and ruining crops . All of those forms | |
| 02:14 | of severe weather have a big impact on the biosphere | |
| 02:17 | and the Geo sphere . How ? So let's find | |
| 02:20 | out . I'll conjure up some different types of severe | |
| 02:23 | weather to see exactly how shakeups in the atmosphere can | |
| 02:26 | impact the biosphere and the geo sphere mm severe weather | |
| 02:33 | can be dangerous for people obviously , but beyond affecting | |
| 02:36 | humans in the biosphere , severe weather can also affect | |
| 02:39 | plants and animals to take a drought after very long | |
| 02:42 | spells without enough rain . This nice mountain pond will | |
| 02:45 | become smaller and maybe even dry up entirely . That | |
| 02:48 | means less habitat for the animals that live in the | |
| 02:50 | water , like ducks and beavers . But it also | |
| 02:53 | means less plant life around because plants need water to | |
| 02:56 | and fewer plants means less food for animals like deer | |
| 02:58 | and elk that feast on them . But what about | |
| 03:01 | the opposite problem ? What about too much water in | |
| 03:04 | the form of heavy rain ? Really strong thunderstorms can | |
| 03:06 | sometimes bring lightning and high winds that can damage trees | |
| 03:10 | , maybe breaking off some of their limbs , Uprooting | |
| 03:12 | them or even setting them on fire . This is | |
| 03:14 | bad news not only for the tree , but also | |
| 03:17 | for everything that lives in it . And finally , | |
| 03:19 | even the ground , as solid as it might seem | |
| 03:21 | , can be reshaped by severe weather . Strong recurring | |
| 03:24 | floodwaters act like powerful rivers and can actually wear down | |
| 03:28 | rocky formations like mountains over time . And sometimes big | |
| 03:31 | flows of rain water can cause a slope or hillside | |
| 03:34 | to collapse . In an event called a mudslide , | |
| 03:37 | the atmosphere interacts strongly with the other spheres of the | |
| 03:40 | environment , particularly when it's cooking up severe weather . | |
| 03:43 | It can even move things in the biosphere and reshape | |
| 03:47 | the geo sphere . So now , you know how | |
| 03:53 | to tell if weather is severe or not ? Ask | |
| 03:55 | yourself , Does it put life or property at risk | |
| 03:58 | ? Does it have a major impact on the biosphere | |
| 04:00 | and the geo sphere ? If the answer is yes | |
| 04:03 | , you're not dealing with normal weather patterns . Severe | |
| 04:06 | weather might be less common , but it has a | |
| 04:08 | much bigger impact on the world around you . Anything | |
| 04:10 | to add thunder ? I guess that means we're done | |
| 00:0-1 | . |
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