Download 4.8A Weather Vocabulary

4.8A Weather Vocabulary
Sunlight passes through the air but does not heat the air. Energy from the
sun heats the solids and liquids on the Earth’s surface.
Surface Temperature – Different surfaces absorb different amounts of the
sun’s energy.
Air Temperature – The air is heated by the sun’s light energy warming the
solids and liquids on the Earth’s surface.
Air Pressure – The amount that air presses or pushes on anything.
Low-Pressure Area – A place where warm air rises and pushes down less.
High-Pressure Area – A place where cool air sinks and pushes down more.
Wind – Moving air caused by uneven heating.
Barometer - A tool that measures air pressure.
Wind Vane or Wind Sock – A tool that shows wind direction.
Precipitation - Moisture that falls from the clouds to the ground.
Humidity - The amount of water vapor or moisture in the air.
Anemometer – A tool that measures wind speed.
Rain Gauge - A tool that measures precipitation.
Hygrometer – A tool that measure humidity.
Air Mass – A large body of air with about the same temperature & humidity.
Front – The line where two air masses meet.
Forecast – A prediction of what the weather will be like.
Meteorologist – A scientist who studies weather.
Storm Watch – The conditions are right for producing severe weather.
Storm Warning – Severe weather conditions are spotted in the area.