Download Air Masses, Pressure Systems, Fronts, Severe

Name ______________________________________________________________ Core ______________ Air Masses, Pressure Systems, Fronts, Severe Weather Unit Test Study
Guide
1. List at least three types of severe weather.
2. A storm with thunder, lightning, heavy rains and strong winds that forms
within large cumulonimbus clouds.
3. A rapidly whirling, funnel-shaped cloud that extends down from a storm
cloud.
4. A tornado can have wind speeds up to ____________ mph.
5. What are the conditions under which most tornadoes form?
6. When warm air rises through cold air the cold air creates a spinning
funnel of wind called a _____________________.
7. When tiny particles of water and ice collide it may cause electrical
charges to build enough so that ________________________ may occur.
8. One of the most deadliest parts of a hurricane is _________________,
a piling up of water caused by wind.
9. A low pressure tropical storm that forms over warm ocean water.
10. What kills more people in the United States than tornadoes and
hurricanes?
11. Winds that form a spinning circular pattern around the center of a
hurricane are know as the ____________.
12. The lower the air pressure at the center of a hurricane, the
____________ the winds blow toward the center of the storm.
13. Clear skies and gentle breezes are usually associated with what
weather event?
14. What type of front forms when a warm air mass pushes a cold air
mass?
15. What type of weather does a low – pressure system bring?
2 [Type text] 16. When an air mass reaches a new location, it brings its
______________________and ______________________.
17. What type of weather front forms when two air masses push against
each other without moving?
18. A maritime tropical air mass is moist and warm, so it probably formed
over
19. A continental tropical air mass is dry and warm because it forms over
10-13 Match each symbol with the description of the front.
10. ____ You would use this weather symbol to represent when a cold air
mass pushes a warm air mass.
11. ___ You would use this weather symbol to represent when warm and
cold air masses push against each other without moving creating days of
clouds and possible rain.
12. ____You would use this weather symbol to represent when cold air
meets cool air at a warm front keeping the warm air mass off the ground.
13. ____ You would use this weather symbol to represent when warm air
mass pushes a cold air mass.
14. Be ready to read a weather map with pressure systems and fronts.