time Flashcards

(62 cards)

1
Q

important factor in tropical cyclone development

A

coriolis force, air pressure, water temperature

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2
Q

Which is not a risk to aviation safety

A

el nino

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3
Q

Tropical cyclone mitigation factor

A

low water temperature, wind shear, large land masses

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4
Q

These storms have a cold core and can stretch over 1,000 miles

A

mid latitude cyclone

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5
Q

Which storm type does not form along frontal boundaries

A

hurricanes

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6
Q

How did people keep time before the advent of clocks?

A

looking at the sun and stars, daily tasks such as milking a cow, observing the monthly cycle of the moon

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7
Q

What issue did the creation of America’s rail network encounter early on?

A

scheduling problems

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8
Q

Major impact of cheap, accurate watches on America:

A

Sporting events become regularly scheduled, Being punctual becomes fashionable, Cooking recipes become standardized

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9
Q

How does your phone know where you are? (one - three words)

A

triangulation, satellite stamps, time stamps, satellite time stamp

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10
Q

When did people begin to work on artificial time?

A

During the industrial Revolution

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11
Q

Why do U.S. submarines use an 18 hour day when at sea?

A

More efficient use of space and personnel resources onboard

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12
Q

Why is a leap second periodically added to U.S. standard time?

A

Earth’s rotation slowing down

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13
Q

Heading east you go back in time 24 hours after crossing the International Date Line

A

true

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14
Q

About how high can sprites reach?

A

30 to 60 miles up

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15
Q

What continent is home to the most frequent lightning strikes?

A

Africa

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16
Q

The Equator connects all points halfway between which two points?

A

North and South poles

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17
Q

The stunning northern lights (shown) are known as the:

A

Aurora borealis

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18
Q

the layer of the atmosphere in which meteors burn up

A

mesosphere

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19
Q

earth north pole points towards

A

polaris

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20
Q

a high cloud composed of ice crystals with a feathery appearance

A

cirrus

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21
Q

at high latitude, earths radiates ______ energy in relation to energy received

A

more

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22
Q

These rays have the highest frequency and shortest wavelength:

A

gamma

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23
Q

These storms have warm cores:

A

hurricanes

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24
Q

Without the influence of coriolis force air would flow

A

perpendicular to the pressure gradient

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25
The atmosphere is heated mostly by
Counter-radiation from earth's surface
26
earths rotational speed ____ as you move away from the equator
decreases
27
opposite of sublimation (solid to gas)
deposition (gas to solid)
28
The cooling of an air mass due to expansion
adiabatic cooling
29
The lifting of air over mountains
orographic uplift (oro means mountain)
30
Over a six month period, the subpolar point migrates across __ degrees of latitude
47
31
As you move away from the equator's latitude the troposphere
becomes thinner
32
The heat-index temperature is measured by __________.
relative humidity and temperature
33
a boulder perched on a cliff is an example of this type of energy
potential
34
Which location has the lowest annual temperature range
at a low latitude and near the ocean
35
Which is false with regards to wind shear
Strong shear fosters hurricane development
36
All locations on earth receive 12 hours of daylight:
equinox
37
The path Earth follows as it orbits the sun is known as the
Plane of the ecliptic
38
Smallest on the synoptic storm scale
single cell thunderstorms
39
At sea level there are ___ pounds per square inch pf air pressure on average
14.7
40
Which is a main characteristic of the stratosphere?
permanent temperature inversion
41
Koppen Climate type found in the Southern California
Csa
42
Lines of Equal temperature are known as
isotherms
43
When the sun is directly above the Equator:
Equinox
44
Where are the Tropics of Cancer and Capricorn?
23.5 degrees north and south of the equator
45
In measuring East and West where is 0 degrees longitude?
Prime Meridian
46
How many degrees can we go away from the equator before approaching it again?
90
47
Which compass direction is the sun always in from all vantage points in the continental U.S.?
South
48
Sprites are found in this layer of the atmosphere: (one word)
Mesosphere
49
The most powerful bolts of lightning discharge over 1 billion volts of electricity
True
50
Why is earth's airglow layer visible from space?
Energy transfer from the sun to the atmosphere
51
How were sprites discovered?
USAF Pilots
52
The global electromagnetic circuit generated and excited by lightning discharges:
Schumann resonance
53
About how hot is lightning?
4-5 times hotter than the sun
54
About how often does lightning flash worldwide?
2,000 times a minute
55
Which is false regarding the Thermosphere?
Air pressure is over 10,000 hPa
56
Using rocks as clocks is known as _______ time
geologic
57
What was the primary factor that determined the boundaries of American time zones?
Railroad line end points
58
What two times did ships need in order to determine their longitude?
Local time on-board and time at origin
59
How did accurate clocks change medicine beginning in the 16th century?
Ability to record a pulse rate
60
Cold fronts are indicated with triangles pointing away from their paths
FALSE
61
A north easter is this type of storm
mid-latitude cyclone
62
This type of storm has a warm core
hurricane, tropical cyclone, typhoon