Air Masses
Fronts
Predicting Weather
Weather Map Symbols
Mixed Bag
100
A huge body of air that has similar temperature, humidity, and air pressure throughout is called an _______.
air mass
100
The location where two air masses meet
Front
100
If a cold front is passing by an area what will happen to the temperature in the next few days?
colder temperatures, decrease
100
Half circles on a bar represent what?
a warm front
100
Direction that hurricanes and tornadoes rotate
What is counter clockwise?
200
Scientists describe/classify air masses based on what two characteristics?
Temperature and Humidity
200
Clouds are forming along a front because the rising air is...
what is cooling to its dewpoint and condensing.
200
What type of weather can you predict will happen if the location is experiencing a stationary front?
The weather will be rainy for the next few days.
200
Triangles on a bar represent what?
a cold front
200
This is the windspeed a storm must be to be considered a hurricane.
What is 74 mph?
300
What is the name for an air mass that forms over the ocean?
Maritime
300
ALL fronts cause this
Precipitation
300
Direction that pressure systems move
What is a west to east (eastward)?
300
What do half circles and triangles on opposite sides of a bar represent?
a stationary front
300
This is the name of the scale for rating the strength tornadoes.
What the Enhanced Fujita scale?
400
Air masses that bring cool or cold air and form over land
Continental Polar
400
What type of front forms when two air masses meet and neither one can move?
Stationary fronts
400
How do I know the direction a front is movin?
What is in the direction the shapes (circles/triangles) are pointing?
400
What do half circles and triangles on the same side of a bar represent?
an occluded front
400
The drawing you would make if line A/B were a cold front moving southeast?
What is triangles pointing downward towards the southeast?
500
The area over which an air mass forms
What is a source region
500
This front forms when you two cold air masses and a warm air mass.
Wha is an occluded front?
500
What upcoming weather will a meteorologist likely report if low pressure fronts are moving through your area?
Possible rain, storms, higher humidity and/or warmer temperatures
500
The symbol that indicates differences in air pressure.
What are isobars?
500
If Dewpoint and Air Temperature are the EXACT same number then this would be 100%
What is relative humidity?