1. 10 questions on Air masses and front
EEN 2.5.2
Eric Angat
Science teacher

2. Essential Question:
How do I explain the movement of air masses and their effect on weather?

3. Comparing Weather and Climate
Both weather and climate deal with the condition of the atmosphere.
Day to day (shorter time)
Years
(longer time)

4. 1. What is the major difference between weather and climate?
air temperature
air pressure
humidity
time

5. 2. Which of the following is an example of climate?
The current temperature in
Pinehurst, NC
B. The relative humidity in Atlanta
The average current temperature
in a region
The average temperature in Winston Salem,NC over the past 30 years

6. 3.Decribe the 4 different types of air masses?
Cold air coming from the North, North East, NW
Polar air mass
Tropical air mass
Warm air coming from the South, South East, SW
Maritime air mass
Humid air coming from the oceans
Continental air mass
Dry air coming from Canada and Mexico

7. 4. What are the common characteristics of
the air masses in United States?
Cold region because of its nearness to the North pole.
Warm or hot region because of its nearness to the equator.

8. Continental Polar Maritime Polar Maritime Polar Maritime tropical
Canada
Pacific Northwest
Continental
Polar
(cold and dry)
Atlantic Northeast
Maritime Polar
(cold and humid )
Maritime Polar
(cold and humid)
Cold region because of its nearness to the North pole.
Subtropical Pacific
Maritime tropical
(warm and humid )
Continental
tropical
(warm and dry )
Maritime tropical
(warm and humid )
Warm or hot region because of its nearness to the equator.
Gulf of Mexico
Pacific South West
Mexico

9. 5. Which type of heat transfer moves warm water away from the equator?
A. conduction
B. convection
C. radiation
D. inversion

10. Results to Changes in Weather.
Weather front
A weather front is a place where air masses meet.
Cold air mass
Warm air mass
Weather
Front
Results to Changes in Weather.

11. Results to thunderstorms, tornado, storms
Cold front
A weather front is a place where air masses meet.
Results to thunderstorms, tornado, storms
Cold air mass
Warm air mass
Weather
Front

12. Results to mild to moderate precipitation
Warm front
A weather front is a place where air masses meet.
Results to mild to moderate precipitation
Warmair mass
Cold air mass
Weather
Front

13. 6. How are hurricanes and tornadoes related to air masses?
They form where air masses meet.
They form where air pressure is the same.
They form where air temperatures are the same
They form within air masses.

14. 7. What are the four types of fronts and the weather they bring?
Warm Front
Less violent weather
(light to moderate precipitation)
Most violent weather. Thunderstorms and tornadoes.
Cold Front
Stationary Front
changes from higher to lower temperatures
Causes flooding due to continuous rain.
Occluded Front
Characterized by storms that are dissipating or dispersing.

15. Movement of Fronts
Raleigh
Warm Front
Winston Salem

16. Movement of Fronts
Cold Front
Raleigh
Winston Salem

17. 8. Describe the direction of the following weather fronts?

18. Cold front-violent weather
Moves to the direction of the cold air mass
Cold air mass

19. Warm front - light or moderate rain.
Moves to the direction of the warm air mass
Warm air mass

20. Occluded front-appears when storms disperse.
Moves to the direction of the cold air mass

21. Stationary front- long days of rain ( flood).
Stationary or does not move.

22. 9. What kind of front is moving towards North Carolina, Chicago, and New York?
Cold air mass
Light moderate rain NC
Texas
Warm air mass
violent weather,
thunderstorm

23. 10. What kind of weather will they have in North Carolina and Texas?
Cold air mass
Light moderate rain NC
Texas
Warm air mass
violent weather,
thunderstorm

24. Coalescence