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Weather and Climate Final
NA
86
Meteorology
Undergraduate 1
05/09/2010

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Cards

Term
Why does the temperature increase in the stratosphere?
Definition
because the ozone absorbs incoming radiation
Term
In the troposphere, the temperature decreases an average of ___C for every kilometer you increase in altitude.
Definition
6.5 degrees C
Term
Which of these gases has the shortest residence time in the atmosphere?
(nitrogen, water vap, oxygen, CO2)
Definition
Water vapor
Term
Through which of the following processes is CO2 removed from the atmosphere?
(fossil fuel burning, photosynthesis of vegetation, decay of organic matter, radiation)
Definition
photosynthesis of organic matter
Term
Which of the following is not an aerosol?
(dust particles, sea salt, water vap, fine ash)
Definition
water vapor
Term
Which of the following is not and example of potential energy?
(drop of water about to fall, explosives, hamburger, bullet)
Definition
Bullet
Term
During the winter in the N Hemisphere, the North Pole receives sunlight 24 hours a day. why is the North Pole colder than places in lower latitudes that have a night and day?
Definition
because of thermal inertia
Term
List four controls on global temperature.
Definition
land and water
ocean currents
Latitude
elevation
Term
Madrid has hotter summers and colder winters than Barcelona because of___
Definition
the distance to the ocean
Term
Saturation vapor pressure increases as ____ increases
Definition
temperature
Term
Which of the following processes involves a change in energy?
(absorption, reflection, scattering,transmission)
Definition
Absorption
Term
Weins law states that as the temperature of an object increases
Definition
the wavelength of peak radiation decreases
Term
water vapor and CO2 are two of the most important greeen house gasses becuase they preferentially absorb___ radiation
Definition
infrared
Term
Which of these objects acts as a gray body?
(sun, earth, atmosphere, soil)
Definition
atmosphere
Term
clouds are white becuase they ____
Definition
they scatter all wavelengths
Term
air molecules will preferentially scatter ____
Definition
wavelengths of visible light
Term
We see the grass as green becuase
Definition
grass reflects preferentially green wavelengths
Term
Which of the following places has a higher albedo?
(amazon, ocean, sahara, corn fields)
Definition
sahara desert
Term
What does IPCC stand for?
Definition
Intergovernmental Panel on Climate Control
Term
Which country has the most Co2 emissions in the world/
Definition
china
Term
In the northern hemisphere, the coriolis force deflects winds to the ____ of their path
Definition
right
Term
What two factors effect the Coriolis force?
Definition
velocity of wind and latitude
Term
what two forces are equal and have opposite signs when you have geostrophic winds?
Definition
coriolis and pressure gradient
Term
what force affects winds at the surface and doesnt affect winds at high elevation
Definition
coriolis
Term
Which of these clouds creates a halo around the sun?
Definition
cirrostratus
Term
If the environemental lapse rate is -13C/km, the atmosphere is ___
Definition
unstable
Term
Which of the following involves an adiabatic process?
(upslope fog,radiation fog, dew, frost)
Definition
upslope fog
Term
What are the two gases that make up more than 99% of the earth's atmosphere?
Definition
nitrogen and oxygen
Term
What is the name of the atmospheric layer where ozone is most abundent?
Definition
stratosphere
Term
Magenta has waves with a ___frequency and a _____ wavelength
Definition
higher, shorter
Term
Which two gases significantly absorb longwave radiation?
Definition
water vapor and CO2
Term
The sky is blue becuase
Definition
blue light is scattered by air molecules
Term
When would you expect to have more homogenous temperatures
Definition
during a windy night
Term
water boils at 1000C at ___ while it boils at 92C at ____
Definition
sea level; 2400m
Term
if an unsaturated air parcel with a temp of 20C is 1000m above sea level, what will the temp be if it rises to 1500M
Definition
15C (10C goes to 1000m)
Term
If saturated air parcel with a temp of 30C is at sea level, what will its temp be if it rises to 2000m above sea level?
Definition
17C (6C goes to 1000m)
Term
In the early morning, it is more likely for the atmosphere to be
Definition
stable
Term
IN the afternoon of a very sunny day, the atmosphere is more likely to be
Definition
unstable
Term
If the environmental lapse rate by 8C per km, the atmosphere is
Definition
conditionally stable
Term
Entrainment of outside air into a cloud causes it to
Definition
dry
Term
which cloud produces rain in the form of a drizzle
Definition
nimbostratus
Term
what is the dominant process for cloud droplets to grow raindrop size in warm clouds>
Definition
collision-coalescence
Term
What is the dominant process for cloud droplets to grow rain drop size in cold clouds
Definition
accretion-aggregation
Term
Cloud droplets will grow to raindrop size more efficiently if__-
Definition
the cloud is thicker
there are stronger updrafts
there are a variety of raindrop sizes
Term
In the Bergeron process, Ice crystals grow larger at the expense of
Definition
water droplets
Term
what type of precip will supercooled water arrive to the surface and instantly freeze
Definition
freezing rain
Term
While in the upper atmosphere, the winds flow parallel to the isobars, at the surface they experience friction and will
Definition
flow counterclockwise and into a surface low
Term
High heights on an isobar chart correspond to ____ than normal pressures at any given altitude, and low heights correspond to ____ than normal pressures
Definition
higher, lower
Term
Isotherms are lines of constant ____and isobars are lines of constant ____
Definition
temperature and pressure
Term
in the northern hemisphere, winds will blow ___- around an area of low pressure and ___ around an area of high
Definition
counter clockwise and clockwise
Term
when isobars are closer together, this means that the pressure gradient is ___ and the pressure gradient force is ___
Definition
stronger and stronger
Term
during the day land heats up ____ than water
Definition
faster
Term
during the night, land cools ___ than water
Definition
faster
Term
which of the winds is associated with cold water adn very high winds
Definition
katabatic
Term
if the land temp is warmer than the surrounding ocean, the wind will tend to go
Definition
from ocean to land
Term
during the summer in asia, winds flow
Definition
from ocean to land
Term
which of the winds is caused by dry and warm winds descending on the east side
Definition
chinook
Term
dry and warm winds from Mojave desert descending into san diego and LA
Definition
santa ana winds
Term
subtropical highs are associated with
Definition
dry and clear weather
Term
Trade winds are associated with which cell
Definition
Hadley
Term
Surface westerlies are associated with which cell
Definition
ferrel
Term
which cell is called the thermally indirected cell
Definition
ferrel
Term
the 3 cell model predicts
Definition
global circulation
Term
at what latitudes would you expect to have more precip
Definition
equator and 60 degrees
Term
latitudes with less precip
Definition
30 and 90 degrees
Term
___ are located around 30 degress N and S and are associated with
Definition
subtropical highs and desert
Term
As the ITCZ moves north during July, it brings ___ and ____
Definition
moisture and thunderstorms
Term
the polar adn subtropical jet stream are located in
Definition
tropopause
Term
the jet stream located between the hadley and ferrel cell is called
Definition
subtropical
Term
the low level jet affects the
Definition
great plains
Term
ocean currents that bring water from the equator to the poles are usually on the ___ side of the continents
Definition
east
Term
the walker circulation is a ____ circulation
Definition
zonal
Term
the low zone near the equator is called
Definition
hadley
Term
which of these fronts moves faster and has a steeper slope
Definition
cold front
Term
what is the pressure like before during and after the cold front passes
Definition
decreases and then increases
Term
right after the frontal boundary of a warm front passes region you expect:
Definition
warm condition
Term
what front has very cold winds and warm air that collide forming clouds
Definition
cold occlusion
Term
where to you get the most hail storms
Definition
great plain
Term
multi-cell t-storms can sustain themselves becuase
Definition
their precip doesnt cut off the downdrafts
Term
descripbes strong downdrafts associatd to thunderstorms responsible for plane crashes
Definition
microburst
Term
what is responsible for the most precip in the central plains
Definition
MCC
Term
when is the peak tornado season
Definition
spring
Term
what is the peak hurricane season in US
Definition
summer
Term
WHat are some proxy dats used by scientisits to study paleoclimate
Definition
tree rings
sediment cores
ice cores
Term
when was the last ice age?
Definition
18,000 years ago
Term
aersols have the net effect of
Definition
cooling the atmosphere
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