Instruments
This instrument measures the amount of rainfall.
What is a rain gauge?
This is the boundary between two different air masses.
What is a front?
This poses a danger to people, animals and stuctures.
What is severe weather?
This is water falling to Earth's surface.
What is precipitation?
This prefix/suffix means rain.
What is nimbus?
This instrument measures the wind direction.
What is a wind vane?
A front where warm air moves over cold air and brings drizzly rain; followed by warm and clear weather.
What is a warm front?
This is the most common severe storm. It is formed in cumulonimbus clouds and can produce heavy rain, thunder, lighting and/or hail.
What is a thunderstorm?
The process of water vapor (gas) becoming a liquid.
What is condensation?
These clouds are wispy, feathery clouds made of ice crystals at high levels. Usually means fair weather or a change in weather.
What is cirrus clouds?
This instrument measures the humidity.
What is a hygrometer?
A front where cold air mass pushes under a warm air mass; thunderheads can form. Followed by cool, fair weather.
What is a cold front?
This is a swirling low pressure that forms over warm ocean water in the Atlantic Ocean.
What is a hurricane?
The process of liquid water becoming a gas.
What is evaporation?
All weather occurs in this layer of the atmosphere.
What is the troposphere?
This instrument measures the wind speed.
What is a anemometer?
A mass of sinking cool air that usually brings fair weather.
What is a high pressure?
This is a low pressure system with violent whirling wind that forms over land.
What is a tornado?
The emission of water vapor from the leaves of plants.
What is transpiration?
These clouds form in flat layers and cover most of the sky. They usually bring rain or snow.
What are stratus clouds?
This instrument measures the air (atmospheric) pressure.
What is a barometer?
A mass of rising warm air that usually brings wet, stormy weather
What is a low pressure?
This is a low pressure system causing a rise of the sea along a shore.
What is a storm surge?
The water that flows over the ground surface rather than soaking onto the ground.
What is run off?
These are fluffy clouds that usually mean fair weather.
What are cumulus clouds?