Weather Tools
What tool measures the direction of the wind?
Wind Vane
Cumulus clouds that grow in height and darken on the bottom. Usually indicate thunderstorms.
Cumulo-nimbus
A storm which forms over warm ocean water with heavy winds.
Hurricane
Which type of front is shown on the weather map as a line of red semi-circles and brings warmer temperatures?
Warm Front
A ________ uses weather instruments and data to predict weather patterns.
Meteorologist
Which tool measures the amount of heat energy in the air?
Thermometer
Feathery, wispy clouds. Indicate fair weather now, but often mean that rain or snow will fall within several hours.
Cirrus
A common storm with moist air, winds, rain, thunder and lightning.
Thunderstorm
Which front is shown on the map as a line of blue triangles and brings cooler temperatures?
Cold Front
The weight of the air pushing down on the Earth's surface is called __________.
Air Pressure
Which tool measures the amount of precipitation?
Rain Guage
Fluffy white clouds with flat bottoms. Usually indicates fair weather.
Cumulus
A violent storm with a funnel-shaped cloud and strong winds.
Tornado
Can air pressure help forecast weather? Why?
Yes
Which type of pressure usually brings dry, clear conditions (fair weather)?
High Pressure
Which tool measures the amount of air pressure?
Barometer
Smooth, gray clouds that block sunlight and cover the sky. Often indicate light rain or drizzle.
Stratus
Different atmospheric conditions produce four types of precipitation. Which of the following are types of precipitation?
Rain, Sleet, Hail and Snow
Which type of front is a mass of warmer air that is approaching a mass of cooler air?
Warm Front
Which type of pressure usually brings clouds, rain and wind (stormy weather)?
Low Pressure
Which tool measures wind speed?
Anemometer
Why do clouds turn grey before it rains?
As their denseness increases, the bottoms of clouds look darker but still scatter all colors. We perceive this as gray.
Explain the process of how hail comes to form.
Which type of front is a mass of cooler air that is approaching a mass of warmer air?
Cold Front
What season is most common for Thunderstorms, Hurricanes, and Tornadoes to ALL occur?
Summer