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The Weather Channel

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by

Gilberto Guadiana

on 7 February 2013

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Transcript of The Weather Channel

What is A Satellite? What do Satellite Images Show? How Do We Get Satellite Images? How Do Satellites Travel? A Satellite is an artificial body placed in orbit around the earth or another planet in order to collect information or for communication. A satellite is an artificial body placed in orbit around the earth or another planet in order to collect information or for communication. What is a Satellite? How do Satellites Travel? How Do We Receive Satellite Images? What is A Satellite Map? What can Meteorologists Learn by the Shade of the Clouds on a Satellite Map? A satellite is an artificial body placed in orbit around the earth or another planet in order to collect information or for communication. There are two types of satellites: Geostationary and Polar Orbiting. Geostationary satellites transmit images at microwave frequencies. To receive the images you need a dish antenna and some expensive equipment. A satellite map is a image captured by a satellite. They are used by meteorologists to forecast the weather. The maps come in three types infrared, visible, and water vapor images. Geostationary Satellites orbit the Earth at 22,237 miles above the Earth. The satellite is above the equator. This is where they have a good view of all of earth. They follow the Earth's rotation at the speed earth rotates. Meteorologists can learn the type of cloud that they are observing. This can help them know if there are any harmful weather conditions. Warmer clouds are shown in white while colder clouds are shown in yellow, red, and purple. What are Infrared Satellites? Infrared Satellites are a type of weather satellite. These satellites do not only see the cloud systems they also see city lights, fires, effects of pollution, etc. How to Read Satellite Maps What do Satellite Maps Show? Putting it Together In order to read satellite maps you need to know what the colors on the map represent. You also need to know what satellite maps show. Weather maps show clouds and cloud systems. Weather maps use colors to sort clouds into separate categories. The white areas on the map consist of warm clouds while the colorful areas (shades or red, yellow, and purple) show colder clouds. By looking at a satellite map you can learn about the precipitation and weather conditions in an area. How do hurricanes form? Hurricanes form when they are two fronts of air. When a cold, drier front meets a warm front.They create friction between them. Then the convection process turns into a hurricane. Why do hurricanes form over oceans? They draw their power from warm and humid air. Which is found over the oceans. The key energy source is latent heat. Which is released when water vapor is condenses into water droplets. What is the difference between a hurricane and a topical storm? A hurricane has winds speeds greater than 74 mph. While a tropical storm has wind speeds between 39 mph and 73 mph. And a tropical storm doesn't have an eye like a hurricane does. The Weather Channel
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