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MESO
Weather Systems Module
Note / Study Sheet
Chapter 1: Sun Geometry
1. List two reasons that the tropics are always warmer than the poles.
2. On the Equinoxes there are ________ hours of daylight and _________ hours of
darkness.
3. On the Summer Solstice the _______________ Hemisphere is pointed at the
Sun.
4. On the Summer Solstice the Tropic of ___________ receives the most direct
rays of sunlight (a 90° angle).
5. On the Summer Solstice daylight will last for ___________ hours at the North
Pole.
6. At the Tropic of Cancer, on the Summer Solstice which will last longer, day or
night?
7. How do Earth’s motions through space cause the seasons?
Take the quiz….How did you do?
Chapter 2: Air Masses
8. Where do warm air masses develop?
9. Where do cold air masses develop?
10. Were do air masses gain moisture?
11. Where do dry air masses form?
12. What is a front?
Take the quiz….How did you do?
Chapter 3: Fronts
13.
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17.
Draw the symbol for a cold front.
Does a cold front usually move quickly or slowly?
Where does the warm air go?
What kind of weather does a cold front cause?
Draw the symbol for a warm front.
18.
19.
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21.
Warm air will slowly rise up and over the retreating ________ air mass. Why?
What kind of weather does a warm front usually cause?
Draw the symbol for an occluded front.
An occluded front forms when a ____________ front catches up to a
______________ front.
22. Draw the symbol for a stationary front.
23. Why is there a danger of flooding with stationary fronts?
Take the quiz….How did you do?
Chapter 4: Circulations
24. Why causes air over the land to rise along coastlines?
25. What time of day would you expect to find the strongest sea breezes?
26. On average, air ( rises or sinks ) at the Equator.
27. On average, air ( rises or sinks ) at the Poles.
Take the quiz….How did you do?
Chapter 5: Pressure
28. What will happen to air that is in between higher and lower air pressures?
29. What is air pressure?
30. High air pressure (the barometer is rising) = _____________ weather.
31. Low air pressure (the barometer is falling) = _____________ weather.
32. The isobars on a weather map will be ( tightly or loosely ) spaced if there are
light winds.
33. If there are light winds that means that there is a ( large or small ) difference
between the high pressure center and the low pressure center.
Take the quiz….How did you do?
Chapter 6: Highs and Lows
34. As a column of air is heated it ____________ which leads to __________
pressure far aloft in the atmosphere.
35. As a column of air is cooled it ____________ which leads to __________
pressure far aloft in the atmosphere.
36. If there is high air pressure aloft, then the air aloft will spread out of the column
of air, creating ____________ surface pressure there.
37. If there is low pressure aloft, then the air aloft will flow into the column of air,
creating ____________ surface pressure there.