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Topic 7 Weather - Regents Earth Science Flashcards | StudBud
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Topic 7 Weather - Regents Earth Science
Topic 7 Weather - Regents Earth Science
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1
If the air temperature is 2 C and the wet bulb temp is -1 C, what is the relative humidity?
51%
83%
37%
6%
2
What is the dew point when the dry bulb temperature 24 C and the wet bulb temperature is 21 C?
16 C
21 C
18 C
20 C
3
Which instrument is used to measure wind speed?
anemometer
psychrometer
barometer
thermometer
4
An air mass classified as cT usually forms over which type of Earth surface?
warm water
cool water
warm land
cool land
5
The process that is responsible for cloud formation is air
rising, contracting, cooling and condensing
sinking, compressing and warming
sinking, expanding and cooling
rising, expanding, cooling and condensing
6
A high pressure center is generally characterized by
warm dry weather
cool dry weather
cool wet weather
warm wet weather
7
cold fronts cause
slow changes in weather then thunderstorms
abrupt changes in weather then thunderstorms
slow changes in weather then clear skies
abrupt changes weather followed by clear skies
8
<p>What direction do surface winds move around a LOW pressure system?</p>
clockwise and in towards the center
clockwise and away from center
counterclockwise and away from the center
counterclockwise and in towards the center
9
What is the air pressure for city B?
994.1 mb
<p>1012.1 mb</p>
910.1 mb
1010.1 mb
10
Most thunderstorms form in the SE U.S., which air mass is most likely responsible for this?
cP
mP
cT
mT
11
A student notices the air pressure dropping on the barometer, what can he predict?
The wind speed to decrease
Increase chance precipitation and impending storm
clear skies with some cirrus clouds
The dewpoint will decrease
12
Which two temperature zones does the temeprature increase with increasing altitude?
troposphere and mesosphere
mesosphere and thermosphere
troposphere and stratosphere
stratosphere and thermosphere
13
What direction do most storm systems track across the United States?
northeast
southwest
southeast
<p>northwest</p>
14
Why does fog disappear after sunrise?
air pressure rises
fog condenses
fog evaporates
air pressure falls
15
Increasing the amount of CO2 in the atmosphere increases temperature because CO2 absorbs
incoming gamma rays
outgoing ultraviolet
outgoing infrared
incoming visible light
16
What is the wind speed at station A?
20 knots
15 knots
5 knots
10 knots
17
What is one piece of evidence in station model D that it has a high chance of precipitation?
dewpoint and temperature are close in range
easterly wind with a low dewpoint
low pressure and low % of cloud cover
High temperature and low wind speed
18
Which is an inference made regarding hurricanes?
storm damage is expected to be severe
central air pressure is 946 mb
Wind speed is 200 km/hr
rain guage measures 3in per hr
19
Tornadoes are usually associated with
cold fronts
stationary fronts
tropical fronts
warm fronts
20
Warm fronts cause .
hours of rain
days of sunshine
days of rain
weeks of snow
21
As the temperature of a certain volume of air decreases rate of condensation
decreases
increases
remains the same
decreases then increases
