A hurricane is a tropical storm that has winds of 119 kilometers per hour or higher. A typical hurricane is about 600 kilometers across.
Hurricanes also form in the Pacific and Indian Oceans. In the western pacific oceans, hurricanes are called Typhoons. Although hurricanes may be destructive, they bring much needed rainfall to south Aisa and southeast Aisia.
A typical hurricane that strikes the United States forms in the Atlantic Ocean north of the equator in August, September, or October. A hurricane begins over warm water as low-pressure area, or tropical disturbance. If a tropical disturbance grows in size and strengh, it becomes a tropical storm, which may then become a hurricane. A hurricane gets its energy from the warm, humid air at the oceans surface. As this air rises and forms clouds, more air is drawn into the system. As with other areas of low pressure. Inside the Storm are bands of very high winds and heavy rains. The lowest air pressure and warmest temeratures are at the center of the hurricane. The lower air pressure at the center of a storm, the faster the winds blow toward the center. Hurricane winds maay be as strong as 320 kilometers per hour.
-SCIENCE EXPLORER[WETHER AND CLIMATE]
PRENTICE HALL
NEEDHAM, MASSACHUSETTS
UPPER SADDLE RIVER, NEW JERSEY
Friday, October 31, 2008
Hurricanes
What makes hurricanes form?
-Hurricanes form in warm ocean waters. As you know, warm water turns into water vapor quickly. A lot of water vapor rises and forms cumulonimbus clouds. Strong winds blow the clouds into swirls. As the clouds get more and more water vapor from the sea they become larger. That's how a hurricane forms.
What is a HUrricane eye?
-A huuricane eye is a lot of clouds swirling around in a circle. In the center are very few clouds. If you looked down on a hurricane from above you'd see a hole like an eye in the middle of the clouds. That's why a hurricanes center is called the eye.
Why do hurricanes bring such heavy winds?
-Inside a hurricane are a lot of rain clouds, and they bring heavy rains.
Why does the wind blow so hard during a hurricane?
-Near the center of a hurricane the air is pushed up with great force. When that happens other air rushes in to take its place. That's why the wind is so strong.
-Hurricanes form in warm ocean waters. As you know, warm water turns into water vapor quickly. A lot of water vapor rises and forms cumulonimbus clouds. Strong winds blow the clouds into swirls. As the clouds get more and more water vapor from the sea they become larger. That's how a hurricane forms.
What is a HUrricane eye?
-A huuricane eye is a lot of clouds swirling around in a circle. In the center are very few clouds. If you looked down on a hurricane from above you'd see a hole like an eye in the middle of the clouds. That's why a hurricanes center is called the eye.
Why do hurricanes bring such heavy winds?
-Inside a hurricane are a lot of rain clouds, and they bring heavy rains.
Why does the wind blow so hard during a hurricane?
-Near the center of a hurricane the air is pushed up with great force. When that happens other air rushes in to take its place. That's why the wind is so strong.
Friday, October 3, 2008
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