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Weather Map Definition

A weather map shows air masses and weather fronts to predict changes. For example, it uses blue lines and triangles for cold fronts.

View Lesson on Air Masses & Weather Fronts
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Air Masses & Weather Fronts

Fun Facts

  • Meteorologists track the movement of air masses on weather maps to predict the weather.
  • Warm fronts are represented by red line with semi-circles on weather maps.
  • Even though fronts are represented on weather maps as thin lines, some are hundreds of miles wide.

Why Do We Need To Know About Weather Map

Learning about weather maps helps us understand how experts predict the weather and why getting it right is important. Experts use special tools and computers to look at things like air pressure, wind, and temperature to make these maps. This helps us get ready for bad weather, decide what to wear, or plan things like parties outside.

Weather maps aren’t just for TV weather people. They are important for figuring out big storms like tornadoes and hurricanes. Information from weather stations and satellites makes weather forecasts better. This is important to keep people safe and protect homes. Knowing how to use weather maps is useful for everyday life.

Frequently Asked Questions

How would you describe an air mass?
An air mass is a large mass of air that has similar characteristics such as temperature and humidity.
What causes air masses to move around?
Prevailing winds, which are winds that blow in one direction, move air masses around. These winds are caused by the uneven heating of air.
What happens when two air masses crash into each other?
When two air masses collide, they form a weather front. Dramatic weather changes can happen such as wind, rain and thunderstorms.
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