Air Masses
Fronts
Weather 1
Weather 2
Weather Instruments
100
What is an Air Mass?
a large body of air with generally uniform temperature and humidity
100
How does a front form?
Where two or more air masses meet
100
A scientist who studies and predicts weather
Meterologist
DAILY DOUBLE:
Tell me one thing they do?
100
What is this picture showing?
Weather Map
DAILY DOUBLE:
Name one thing besides temperature the map may show.
100
What is this a picture of?
Weather Balloon
200
Air masses generally move...
West to East
200
Describe how a cold front forms
A cold air mass converges on a warm air mass and violently causes it to rise.
200
Why do we need accurate weather forecasts?
To prepare for dangerous weather and help harvest crops at the right time.
200
A swirling center of low pressure winds spiraling into the center
Cyclone
DAILY DOUBLE: What is another name for cyclone?
200
What is this?
Weather satellite
300
What causes air masses in North America to move?
Jet streams and prevailing westerlies/winds
300
What type of weather is generally along a cold front?
Rain and Thunderstorms
300
Name all three of these fronts
Cold, warm, stationary and occluded
DAILY DOUBLE:
Can you tell me what type of weather a stationary front brings?
300
What is the study of predicting weather called?
Meteorology
300
This is a picture of?
Thermometer
400
Which air mass is categorized by forming over water and being humid?
Maritime Air mass
400
What is the name of a front where neither air masses is moving to replace the other?
Stationary Front
400
A band of high-speed winds above earth's surface and what they do?
Jet streams
Moves air masses and weather systems around the globe
400
These move warm and cold water around the globe which affects _____________?
Ocean Currents and Local Weather
400
What is this?
Anemometer
DAILY DOUBLE...
Explain what it does.
500
Describe what categorizes a Continental Polar air mass
the air mass will be over land and be cold and dry
500
We are having a severe weather...what type of front is upon us?
Occluded Front
500
Lines drawn on a weather map that connect areas of equal air pressure.
Isobars
500
What layer of the atmosphere contains weather?
Troposphere
500
This is a picture of ____________?
What does it measure?
Barometer
Weight of a column of air pressing down on an area
DAILY DOUBLE:
If the number read 29.2 and then quickly dropped to 25.6...what is going to happen?