Unequal heating of the Earth's surface causes air temperatures to change without a change in energy. This leads some parts of the Earth to be warmer or cooler than others. When warm air rises and is blocked or forced upward by cooler air, various cloud types can form through condensation. Precipitation occurs through processes like collision-coalescence in warm clouds or Bergeron process in mixed-phase clouds, forming rain, snow, sleet, hail, or freezing rain depending on temperature.
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1.
2. -Air temperatures changing with no
change in energy
http://www.summitcds.org/chem1vt/we
btext/energetics/CE05.html
3. When places on the Earth, such as
mountains, block the air flow, which leads up
to the air rising
http://www.nc-
climate.ncsu.edu/edu/k12/.LiftingMecha
nisms
4. Process when cold air blocks out cold air to let
warm air rise
http://www.sleepingdogstudios.com/Net
work/Earth%20Science/ES_18.2_files/fra
me.htm#slide0014.htm
5. When air is met by other air and is forced in an
upward direction
http://ww2010.atmos.uiuc.edu/(Gh)/gui
des/mtr/cld/dvlp/cnvrg.rxml
6. Unequal heating of the Earth’s surface
Some parts of the Earth are warmer than others
due to darkness of an object
Some parts of the Earth are cooler than others due
to light on an object
https://www.meted.ucar.edu/sign_in.ph
p?go_back_to=http%253A%252F%252Fww
w.meted.ucar.edu%252Fdot%252Fprint.ht
7. Air that doesn’t move; remains in its original
spot
Unstable air often rises
http://ocw.usu
.edu/Forest__R
ange__and_Wil
dlife_Sciences/
Wildland_Fire_
Management_a
nd_Planning/U
nit_7__Atmosp
heric_Stability_
and_Instability_
1.html
8. Air must be saturated for any type of
condensation such as dew, fog, or clouds
Condensation happens above the ground
There are tiny particles on the surfaces for
water-vapor condensation
http://keep3.sjfc.edu/students/kes00898/
e-
port/condensation%20page%20for%20unit
9. http://www.prwatch.org/spin/2011/08/
10943/study-about-clouds-effect-global-
warming-debunked
Cirrus clouds are white and thin clouds. There
also delicate and wispy
Cumulus clouds are rounded. They have a flat
bass and appearance of rising domes or towers
Stratus clouds are mainly sheets or layers
which cover most of the sky. There are no
specific individual clouds
10. There are three types of high clouds which
include cirrus, cirrostratus, and cirrocumulus
Cirrocumulus clouds are fluffy
Cirrostratus clouds are flat layers
http://scienceray.com/biology/weird-
and-wonderful-of-nature-cloud-
11. Altostratus clouds create a white to grayish
sheet covering the sky with the sun or moon
There may be occasionally a light drizzle or
light snow
http://eo.ucar.edu/kids/sky/clouds2.htm
12. Stratus clouds are fog like layers of clouds that
usually cover most of the sky
Stratocumulus clouds have a scalloped bottom
that looks as long parallel rolls or broken round
patches
Nimbostratus clouds are rainy clouds
http://www.wunderground.com/blog/Bl
izzard92/comment.html?entrynum=32&th
eprefset=BLOGCOMMENTS&theprefvalu
13. Clouds that don’t fit into the category of high
clouds, middle clouds, or low clouds
http://www.free-online-private-pilot-
ground-school.com/Aviation-Weather-
Principles.html
14. The result of radiation cooling, or the
movement of air over a cold surface
When water vapor is added to the air and is
saturated, fog can occur
Fog is a cloud with its base at or very close to
the ground
http://en.wikipedia.org/wiki/File:Marine
_Fog_Pattern_1.jpg
15. Water is super cooled when it is below -0
degrees celsius
When air is saturated it is supersaturated to ice
The Bergeron process relies on two physical
processes which are super cooling and super
saturation
http://atm.ucdavis.edu/mmg/atm60_200
5/note/precipitation.htm
16. Warm clouds form raindrops in the collision-
coalescene process
Salt can lower water vapor temperatures from
the air at relative humidities under 100 percent
http://www.rainmanweather.com/site/p
roducts/RG-206-Brush-RG202-Rain-and-
Snow-Gauge
17. http://p
hysicswo
rld.com/
cws/arti
cle/news
/42517
Drops of water that fall from a cloud and have
a diameter of at least 0.5 mm.
When the ground temperature is above four
degrees celsius, snowflakes will melt and turn
into rain before reaching the ground
At low temperatures ice crystals will form
http://www.rgbstock.
com/photo/mfms7Zq
/
18. Sleet is the falling of small particles of clear ice
Glaze is just known as freezing rain
Hail is made in the cumulonimbus clouds
http://www.kaiserroof.com/hail/
http://community.acstechnologies.com/2
011/01/through-rain-sleet-or-snow/