Weather & Clouds
Weather Patterns
Weather Forecasts
Vocabulary
Odds & Ends
100
low, layered clouds that produce rain
What are stratus clouds?
100
large body of air that has the same properties as Earth's surface over which it develops
What is an air mass?
100
when a cold air mass invades a warm air mass
What is a cold front?
100
description of the current state of the atmosphere
What is weather?
100
objects that are thick and dark and usually produce steady precipitation
What are nimbus clouds?
200
a measure of the average amount of motion of molecules
What is temperature?
200
forms where cold and warm air masses meet
What is a front?
200
warm, moist air forced rapidly upward
What is a thunderstorm?
200
the amount of water vapor in the air
What is humidity?
200
lines that connect points of equal pressure on a weather map
What is an isobar?
300
objects that form as warm air rises, expands, and then cools
What are clouds?
300
violent storms generally form here
What is a cold front?
300
strong winds rotating around a low pressure system
What is a tornado?
300
rain, snow, sleet, and hail
What are types of precipitation?
300
warm air advances over heavier, colder air
What is a warm front?
400
high thin feathery objects associated with fair weather
What are cirrus clouds?
400
the build-up of positive and negative electrical charges in clouds
What is lightning?
400
large, swirling low pressure system that forms over tropical oceans
What is a hurricane?
400
the temperature at which condensation forms from saturated air
What is the dew point?
400
air temperature, wind, and humidity
What are the factors that determine weather?
500
thick puffy objects associated with fair weather or thunderstorms
What are cumulus clouds?
500
these form along fronts
What is a low pressure system?
500
a line that connects points of equal temperature on a weather map
What is an isotherm?
500
rain drops that pass through a layer of freezing air near Earth's surface
What is sleet?
500
symbols that meteorologists record on a map showing weather conditions at one specific location
What is a station model?
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