AIR MASSES, FRONTS & PRESSURE SYSTEMS
An ______a large body of air that develops over a particular region.
______form over ______regions near the equator. They have ______
T-
______form over ______regions near the equator. They have ______
P-
______form over ______.
m-
______form over ______regions near the equator.
c-
______is noted by the first letter that is lowercase.
m –______c –______
______is noted by the second letter that is uppercase.
P –______
T –______
LABEL
mP-
cP –
mT –
cT –
Four types of fronts and map symbols
A ______is a boundary between air masses.
Draw the symbol for each front in the correct colors RED and BLUE
______front
______front
______front
______front
Label each front
What is a cold front? A cold front forms when a ______air mass pushes ______a ______air mass.
Brings ______, ______or ______.
This produces ______clouds.
Cold fronts are followed by ______.
What is a warm front? A warm front forms when a air mass moves a air mass.
This produces and clouds.
Brings .
Followed by ______.
What is a stationary front? A stationary front forms when a air mass and a air mass meets but Many days of , weather.
What is an occluded front? An occluded front forms when a ______air mass overtakes a ______air mass.
Brings temperatures with large amounts of______.
QUIZ: WHAT HAVE YOU LEARNED ABOUT AIR MASSES AND FRONTS?
Describe a maritime polar (mP) air mass, in terms of moisture and temperature.
What is the name of an air mass that forms over water?
What is the name of an air mass that forms over land?
What is the name of an air mass that forms in a cold region?
What is the name of an air mass that forms in a warm region?
Describe a continental tropical (cT) air mass, Moisture and temperature.
The boundary between two air masses is called a ______.
A cold air mass meets and pushes a warm air mass out of the way. What type of front am I?
A warm air mass is trapped between to cold air masses. What type of front am I?
A warm air mass meets and pushes a cold air mass out of the way. What type of front am I?
I am a front that brings drizzly rain and am followed by warm clear weather. Name me.
A cold air mass meets a warm air but neither is very strong. They are separated and many days of wet , cloudy weather occur. What type of front am I?
Pressure Systems
What is air pressure?
What is a high-pressure system?
In the center of a high-pressure system what happens to the density of air?
AND what does this level of density cause the air to do?
What kind of weather does a high-pressure system bring?
What kind of air mass has a HIGH pressure?
How do the air molecules circulate in a high-pressure system?
AND what does it cause the air to do in terms of the center of the system?
What is the weather map symbol for a high-pressure system? (use your colors)
Draw, Label and Color the High Pressure System
What is a low-pressure system?
In the center of a low-pressure system what happens to the density of air?
AND what does this level of density cause the air to do?
What kind of weather does a low-pressure system bring?
What kind of air mass has a LOW pressure?
How do the air molecules circulate in a high-pressure system?
AND what does it cause the air to do in terms of the center of the system?
What is the weather map symbol for a low-pressure system? (use your colors)
What weather instrument is used to measure air pressure in the atmosphere?
What unit of measure is used when measuring air pressure?
Draw, Label and Color the High Pressure System
More Pictures……
Compare/Contrast Chart: High and Low Pressure
High Pressure / Low PressureMoving inward on isobars…
Density of air
Representation on a map
Motion of air
Also known as…
Motion of air causes a zone of…
Stability of atmosphere
On the Weather Map, Circle the High Pressure Systems in BLUE, Circle the Low Pressure Systems in RED.
What to types of fronts are on the Weather Map?