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The Wonderful World of Weather. An Introduction to Meteorology. What Is Weather?. Weather is the day-to-day changes in the condition of the atmosphere for a certain area. We Experience Many Different Types of Weather. Thunderstorms. Thunderstorms.
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The Wonderful World of Weather An Introduction to Meteorology
What Is Weather? • Weather is the day-to-day changes in the condition of the atmosphere for a certain area
Thunderstorms • http://player.discoveryeducation.com/index.cfm?guidAssetId=85E706BC-3670-4FEA-B166-69F10532E8AA&blnFromSearch=1&productcode=DSC
Tornadoes • http://player.discoveryeducation.com/index.cfm?guidAssetId=85E706BC-3670-4FEA-B166-69F10532E8AA&blnFromSearch=1&productcode=DSC
Hurricanes • http://player.discoveryeducation.com/index.cfm?guidAssetId=85E706BC-3670-4FEA-B166-69F10532E8AA&blnFromSearch=1&productcode=DSC
What Do All of These Types of Weather Have In Common? • All types of weather from the calmest day to the most violent weather involve three things: • Air • Moisture • Heat
What Is Air? • Air is a colorless, odorless, mixture of gases that surround the Earth. • Air is made up of two main gases • Nitrogen (78%) • Oxygen (21%)
What About the Other 1%? • Oxygen and Nitrogen make up 99% of air. • The last 1% is made up of many gases: • Carbon Dioxide • Water Vapor • Hydrogen • Helium • Neon • Others
Water Vapor In the Air • Water in the atmosphere comes mainly from the evaporation of water from the oceans • The amount of moisture in the air changes all the time • The amount of moisture in the air is called humidity
Heat • The heat energy needed to create different forms of weather comes from the sun.