Terms
Instruments
Patterns
Forecasting
Severe Weather
100
Scientist who studies weather.
What is a meteorologist?
100
Instrument measuring wind speed.
What is an anemometer?
100
Process by which water escapes into the air as gas.
What is evaporation?
100
What happens when relative humidity reaches 100%.
What is rain?
100
Form when columns of air rise within a cumulonimbus cloud.
What are thunderstorms?
200
Weight of a column of air.
What is air pressure?
200
An instrument that measures air pressure.
What is a barometer?
200
The process of water vapor turning into liquid water.
What is condensation?
200
Causes thunderstorms and temperatures to drop.
What is a cold front moving into a warm area?
200
The sonic boom caused by the rapid expansion of heated air.
What is thunder?
300
Amount of water vapor in the air.
What is humidity?
300
An instrument that measures humidity in the air.
What is a hygrometer?
300
The temperature at which water vapor condenses.
What is the dew point?
300
Associated with fair, sunny weather.
What is high pressure?
300
A weather system rotating around a center of low pressure.
What is a cyclone (or hurricane)?
400
The ratio of the amount of water vapor in the air and the amount of water vapor the air can hold at a given temperature.
What is relative humidity?
400
An instrument that shows the direction of the wind.
What is a weather vane (or wind vane)?
400
Formed when air is cooled to the dew point and particles are present.
What are clouds?
400
This decreases as altitude increases.
What is air pressure? What is temperature?
400
A tropical cyclone with winds over 119 km/hr (74 mph).
What is a hurricane?
500
The average amount of energy (or motion) of molecules in a substance.
What is temperature?
500
The unit of pressure used in barometers.
What is a millibar?
500
Caused by unequal heating of the earth's surface and areas of low and high pressure.
What are winds?
500
Cold, dry air that forms near the poles.
What is a continental polar air mass?
500
Issues watches and warnings for severe weather conditions.
What is the National Weather Service?
M
e
n
u