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Flashcards Deck Profile
Atmospheres  by  msdanidarlene
created: 12-13-2011
deck type: public
total cards: 42
total views: 791
final
Study Atmospheres Flashcards
Study Atmospheres Flashcards
Flashcards
question
answer
type
1
How far inland does lake effect extend?
50 miles
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2
How does wind speed change when air flows over a l
It speeds up because of decreased friction
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3
How deep are typical clouds that produce lake-effe
2-3 km
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4
What effect does the freezing of a lake have on la
It makes lake effect snow less likely because it d
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5
Whya re lake effect snow events more likely in dec
lake temperatures aren't the most contribuitng fac
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6
Which of the following situations is most likely t
10 degree water -10 degree air temperature- bigges
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7
Wind parallel rows are more likely when winds are
fast, short
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8
Shore parallel bands form when winds are ___and bl
weak, long
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9
Why do winds from the south rarely produce lake-ef
the lake-air temperature difference isn't large en
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10
Larger lakes are more likely to produce lake effec
True
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11
Primary energy source for hurricanes is?
Latent heat release
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12
What are requirements for the formation of hurrica
surface layer of warm ocean water > 60 meters d
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13
How strong do sustained windspeeds need to be for
74 mph
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14
Which oceanic region has the highest frequency of
WEstern Pacific Ocean
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15
Why is the eye of a hurricane typically cloud free
The air is descending in the eye
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16
The most dangerous part of a hurricane is ____
the storm surge
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17
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18
The atlantic hurricane season extends from ____
june through November
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19
The strongest winds and precipitation in a hurrica
false
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20
Why do hurricanes typically travel east to west in
That is the direction that the trade winds blow
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21
Which category of hurricane is the most common?
CAT 1
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22
What is a hurricane
an organized tropical storm, form over tropical oc
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23
How do hurricanes transport energy?
transferred from warm ocean water to the atmospher
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24
How are Hurricanes measured?
reconnaissance aircraft, ships and bouys, ASOS, ra
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25
Factors to a category 1 to 5 hurricane
lower pressure mb, higher wind speeds, bigger stor
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26
what is the eyewall?
surrounding the eye composed of DENSE clouds that
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27
Ingredients for hurricane formation
warm ocean temperature and a depth of 45 m, pre ex
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28
what is a downburst?
a strong downdraft that originates within the lowe
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29
What is lightning?
a static electric discharge between -cloud to grou
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30
what makes the light and noise-thunder and lightni
The light flash is associated with the flow of ele
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31
how is thunder produced?
Lightning heats the air to 30,000C causing the ai
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32
good conducters and insulators
Air – very good insulator, very poor conductor Rub
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33
Polarized radar
can determine the presence of hairl by identifying
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34
why do hailstones appear white?
air bubbles are trapped in the ice as the supercoo
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35
the largthe largest monetary damage caused by hail
crops
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36
why is an overshooting top often a good sign that
the cloud will have intense updrafts
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37
why is large hail relatively rare west of the rock
supercell thunderstorms are rare in the region
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38
what is the best way to identify hail in a thunder
use of polarization radar to measure the shape of
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39
large hailstones typically form
on the periphery of the rotating bounded weak echo
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40
if you experience large hail during a thunderstorm
false
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41
why are hailstones layered?
they go through alternating periods of wet and dry
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42
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