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5-16.
Which of the following cloud types
i s t h i n , w i s p y , o r h a i r l i k e ?
1.
C i r r u s
2.
Cirrocumulus
3.
C i r r o s t r a t u s
4.
Stratocumulus
IN ANSWERING QUESTIONS 5-17 THROUGH 5-20,
SELECT FROM COLUMN B THE DESCRIPTION THAT
MATCHES THE CLOUD LISTED IN COLUMN A.
RESPONSES WILL ONLY
A.
CLOUD
5-17.
Cirrocumulus
5-18.
Altocumulus
BE USED ONCE.
B.
DESCRIPTION
1.
Fattened
g l o b u l a r
masses
5-19.
S t r a t o c u m u l u s 2 .
Dense
v e r t i c a l
5-20.
Cumulus
development
3.
Mackerel sky
4.
Soft and gray
with dark
s p o t s
5-21.
5-22.
5-23.
5-24.
What is the average atmospheric
p r e s s u r e a t E a r t h ' s s u r f a c e ?
1.
1010.4 MB
2.
1013.2 MB
3.
1015.7 MB
4.
1017.8 MB
What is the approximate average
atmospheric pressure per square
i n c h a t s e a l e v e l ?
1.
11
2.
15
3.
17
4.
18
How accurately can an aneroid
barometer be read?
1.
1.00
2.
0.50
3.
0.10
4.
0.01
What occurs along the boundary when
d i s t i n c t l y d i f f e r e n t a i r m a s s e s
touch?
1.
Haze
2.
Fog
3.
Cloudiness
4.
Clearing
5-25.
5-26.
5-27.
5-28.
5-29.
5-30.
H o w i s t h e m e e t i n g o f d i s t i n c t l y
d i f f e r e n t a i r m a s s e s r e f e r r e d ?
1.
Low pressure
2.
High pressure
3.
Trough
4.
Front
When you are drawing isobars, what
i s t h e v a l u e o f t h e b a s e m i l l i b a r ?
1.
900 mb
2.
950 mb
3.
1000 mb
4.
1050 mb
Isobars are lines drawn on
a c h a r t
t h a t c o n n e c t a r e a s o f e q u a l
1.
h e i g h t
2.
depth
3.
p r e s s u r e
4.
temperature
W h a t i s t h e m i l l i b a r s e p a r a t i o n
value between each isobar in the
area from 25° to the South Pole?
1.
6 mb
2 .
2 mb
3 .
10 mb
4 .
4 mb
Which of the following rules should
you keep in mind when you are
drawing isobars?
1.
T h e i s o b a r i c p a t t e r n i s a p t t o
be complicated when the wind
c i r c u l a t i o n i s s t r o n g
2.
T h e i s o b a r i c p a t t e r n i s a p t t o
b e s i m p l e w i t h a l a r g e s c a l e
movement of air
3.
I s o b a r s a r e f a i r e d b y i n c l u d i n g
minor variations in wind
c i r c u l a t i o n
4.
I s o b a r s a r e n o t a f f e c t e d b y t h e
s t r e n g t h o f w i n d c i r c u l a t i o n
When you are analyzing isobars and
accompanying weather, you should
remember that the closer the
i s o b a r s a r e t o g e t h e r t h e
1.
2.
3.
4.
g r e a t e r t h e w i n d s w i l l b e i n
t h a t a r e a
greater the amount of
p r e c i p i t a t i o n i n t h a t a r e a
slower the winds will be in
t h a t a r e a
l a r g e r t h e a r e a o f h i g h o r l o w
p r e s s u r e
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