Weather Tools (Quiz 3) Flashcards
Measures humidity
Hydrometer
Measures air pressure
Barometer
Measures wind
Anemometer
What are weather maps used for?
To show forecasts. They use different symbols to indicate things like weather conditions, wind speed, and cloud coverage.
Isobars
Lines on weather maps that indicate equal air pressure. When they’re close together, they’re stronger.
Isobars form a closed loop, and the center is called a…
Pressure center
Low pressure centers
Cloudy and rainy
High pressure centers have
Fair weather
Cold front
Fast moving cold air moves under a slower air mass and pushes it up
Clouds form, high winds, thunderstorms, heavy precipitation are formed at
Cold fronts
Severe weather is short lived and represented by blue triangles
Cold fronts
Warm front
Mass of warm air moves toward and over a cold mass and cold air
How are clouds formed?
When warm air is pushed over cold air and it cools
Represented by semicircles
Warm fronts
Stationary front
To air masses meet but none of them goes over or under, but side by side
Light winds and little precipitation. Represented by red semicircles and blue triangles.
Stationary Front
Occluded Front
Warm air mass catches between two cold air masses
Strong winds and heavy percipitation. Represented by triangles and semicircles
Occluded Front
the tilt of the Earth on its axis
Seasons are caused by
23.5 degrees
How the Earth is tilted
Occurs twice a year when the sun is at 23.5• S and 23.5• N
Solstice
Summer Solstice occurs when?
June 21
When does the Winter Solstice occur?
December 21
Halfway between the solstice- daylight and darkness are equal. Mark the beginning of spring and autumn. March 21, September 22
Equinox
