Thunder Lightning
2009
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Thunder Lightning
What Are The Reasons Of Thunder?
Children usually get scared of thunder and lightning during storm. The booming sound resembles with an exploding bomb. It is somewhat true that a child will get scared.
Exploding air
When air explodes inside a thunder cloud when lightning heats it up, a thunder is produced. A lightning strike can quickly heat up the air between the temperatures of 15000 to 60000 Fahrenheit; this is hotter than the surface of the sun. Air expands violently and contracts when heated rapidly, this causes the air to explode with a booming sound. The air which rushes out sets up a sound wave of vibrating air which is called thunder.
Cold and warm fronts
Lightning and thunder occurs at almost the same time because lightning is produced by cold and warm masses of air that clashes against each other. This causes friction resulting in sparks of electricity that is called lightning shooting down to the ground. Besides lightning, the clash of cold and warm fronts of air produces a loud booming sound which is called thunder.
Why lightning is seen first before hearing the thunder
Lightning and thunder happen at the same time but lightning is seen first before hearing the thunder. The scientific reason is the light travels faster than the speed of sound through the atmosphere. The longer gap between lightning and thunder means that the thunderstorm is further away.
The speed of light is faster than the speed of sound and it takes about three seconds to travel a distance of one kilometer. If one counts to three just before hearing the thunder, it means that the lightning is about one kilometer away. If lightning and thunder occur at the same time then it means that the lightning is definitely very close.
The rumbling of thunder
The sound of thunder varies. It is often considered as roll or rumble. Two things make the thunder to rumble; the lightning bolts and the clouds. A lightning bolt appears like forks zigzagging and the limbs can branch out for long miles.
When the air explodes as a result whenever lightning heats the air, each part of the lightning bolt creates compression waves that will reach at different times. The sound wave that travels a longer distance is softer and arrives later than a sound wave that was created by a part of lightning bolt that was closer.
The second factor behind the rumble of thunder is the presence of mountains and clouds around the area. The sound waves bounce off from the clouds, ground and other nearby objects which are much similar to the way a human voice echoes in a large auditorium. This is the reason why the sound of thunder might become louder than getting lower a bit.
Lightning can happen without thunder but thunder cannot happen without lightning. The reason can be that a person is very far away to hear the thunder. The sound waves scatter but the lightning is still visible in the sky.
About the Author
Also learn why does it thunder? and why does it snow?
How Do Pets In Areas With A Lot Of Thunder And Lightning Handle It?
In California we don't get a lot of thunder and lightning but whenever we do, it often terrorizes dogs and cats. There are some areas where thunder and lightning are a lot more usual than here, like the Midwest and the South. If you live in such an area, with a lot of thunder, how do your pets handle it? Is there anything you do to help them handle the stress? Or do they just get used to it after a while? Thanks. Just curious.
It depends on the pet. Thunder storms have never bothered any of my cats that I can tell and both my dogs, in spite of being a breed that is notorious for thunder storm phobia, are fine with it. Occasionally my dogs will bark at the thunder, but it's the kind of bark they give when they think they hear someone at the door but aren't really convinced themselves. Other dogs are bothered by it. Some are fine as long as they can go hide in the closet, others need medication (a sedative such as ace promazine or valium or a supplement like melatonin or rescue remedy) to help them be less frantic during a storm.
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