Summary:
- Weather occurs because of unequal heating of the atmosphere.
- The Sun heats Earth’s surface more in some places than in others.
- A region's weather depends on its air temperature, air pressure, humidity, precipitation, wind speed and direction, and other factors.
- In this video by Science Friday, physicist Kenneth Libbrecht shares secrets about snowflakes.
- The United States is a big country.
- With two coasts and a large land mass in between, there's a chance for every kind of weather.