Measuring Weather
Clouds
Pressure Systems
Local/Global Weather Patterns
100
This word describes a measure of how warm something is.
Temperature
100
These gray clouds blanket the sky and bring overcast skies.
Stratus
100
What tool is used to measure air pressure?
Barometer
100
The fast moving band of wind high above the earth's surface forms between cold and warm air masses and can affect our local weather.
Jet stream
200
What do we call the tool used to measure temperature?
Thermometer
200
These fair weather clouds can sometimes signal a change in weather is coming.
Cirrus
200
What do the blue H and red L stand for on a weather map?
High and low pressure
200
What type of weather will we most likely experience here in Durham if the jet stream moves south of our state?
cooler/cold temperatures
300
This two word answer is the weight of the air above the earth's surface.
Air pressure
300
These fair weather clouds look like puffy heaps of cotton with flat bottoms.
Cumulus
300
Clear conditions are usually associated with a ____________ pressure system.
High
300
This strong ocean current brings warm water (and air) from the Gulf of Mexico up the eastern United States and causes milder temperatures along the east coast.
Gulf Stream
400
What instrument is used to measure wind speed?
Anemometer
400
Clouds are classified, or grouped based on their ______________ and ________________.
Altitude and appearance
400
When we say the barometer is falling, what type of pressure system does this indicate?
Low pressure system
400
Weather systems in the United States generally move from _____________ to __________ (tell which directions).
west to east (your answer must be in this order in order to be correct).
500
What instrument would be used to measure the amount of precipitation that has fallen?
Rain gauge.
500
Fog is what type of cloud?
Stratus
500
Tornadoes, hurricanes, thunderstorms, and severe weather are associated with ________________ pressure systems.
Low
500
What do we call the winds that are most responsible for moving weather systems across the United States?
Prevailing westerlies