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Prevailing Winds Definition

Prevailing winds consistently blow in one direction, moving air masses across Earth. For example, they transport air masses with distinct temperature and humidity, influencing weather patterns.

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Air Masses & Weather Fronts

LESSON MATERIALSmove

Fun Facts

  • Prevailing winds are caused by the uneven heating of air.
  • Winds are just as likely to happen on warm days as on cold days.
  • Prevailing winds cause air to circulate in convection cells.

Why Do We Need To Know About Prevailing Winds

Learning about the main winds that usually blow in an area helps us understand weather patterns and the importance of predicting weather accurately. Weather experts use this knowledge to forecast weather, which is really important for flying planes, farming, and planning events. Knowing about these winds helps us get ready for big storms or extreme weather to keep people safe and avoid disasters.

Also, studying these winds helps make computer programs that predict weather better. This is important for keeping communities safe. Being able to predict weather accurately can help protect homes and even save lives. Prevailing winds play a big role in understanding weather, which is why they matter a lot for different jobs and areas of 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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