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Thursday, January 29, 2009
Blizzards
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Monday, January 26, 2009
Huricanes
A hurricane is basically a very large storm! It has strong winds spiraling inward and upward at speeds of 75 to 200 mph.It also can be up to 600 miles across!!Each hurricane sometimes lasts for a week, moving 10-20 miles per hour over the open ocean. Hurricanes gather heat and energy through contact with warm ocean waters. If there is high evaporation level from the sea water it makes them even stronger. Hurricanes rotate around the "eye" in a counter-clockwise direction .The center of the storm or "the eye" is the calmest part. It has only light winds and fair weather. When they come onto land, the heavy rain, strong winds and large waves can damage buildings, trees and cars!!
http://www.weatherwizkids.com/index.htm
http://www.weatherwizkids.com/index.htm
Friday, January 23, 2009
Tornadoes
A tornado is a spiral looking
wind force.They are extremely destructive!!
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Tornadoes occur in many places in the world, but are most common in the United States east of the Rocky Mountains and what is known as the "Tornado Alley" this is a strip of states running from Texas to Illinois during the spring and summer .800 tornadoes are reported nationwide every year, resulting in 80 deaths and over 1,500 injuries. A tornado is defined as a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of mass destruction with wind speeds of 250 mph or more.
Friday, January 16, 2009
Thunder and Lightning
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Did you know lightning causes thunder?!One single bolt of lightning heats the air around it to 30,000 degrees celsius!And when the air around the bolt heats up it expands really fast.The expansion makes a shock wave that turns into a huge sound wave...therefore making the sound we know as thunder.
Lightning on the other hand is formed when hot air meets cold air.When they meet the warm air moves ontop of the cold air. The cold air has ice crystals. The warm air has water droplets. During the storm, the droplets and crystals bump together and move apart in the air. This rubbing makes static electrical charges in the clouds.Like a battery the cloud has a positive and negative end.The negative side goes towards the ground because it is attracted to the opposite charge.The cloud releases its energy by letting out a bolt of electric charge in form of a lightning strike!!
http://www.nasa.gov/audience/forstudents/k-4/home/F_What_Causes_Lightning_Flash.html http://www.moonraker.com.au/
http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/tstorm/lightning.html
Lightning on the other hand is formed when hot air meets cold air.When they meet the warm air moves ontop of the cold air. The cold air has ice crystals. The warm air has water droplets. During the storm, the droplets and crystals bump together and move apart in the air. This rubbing makes static electrical charges in the clouds.Like a battery the cloud has a positive and negative end.The negative side goes towards the ground because it is attracted to the opposite charge.The cloud releases its energy by letting out a bolt of electric charge in form of a lightning strike!!
http://www.nasa.gov/audience/forstudents/k-4/home/F_What_Causes_Lightning_Flash.html http://www.moonraker.com.au/
http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/tstorm/lightning.html
Monday, January 12, 2009
Introduction:
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http://www.leetsoftware.com/
This is my blog on storms..why they happen..where they happen..what kinds there are etc.!!I have always found it interesting how storms happen and the impact they have on peoples life.When visiting Cuba last summer there was a thunder and lightening storm every night..and I thought it was fascinating that this happened!!Have fun..=]
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