Cloud Information Handouts

jeanscricketInternet and Web Development

Nov 3, 2013 (4 years and 5 days ago)

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Information from:
http://asd
-
www.larc.nasa.gov/SCOOL/tutorial/clouds/cloudtypes.html

and
http://www.windows.ucar.edu/

Clouds

I.

Cloud names are based upon three characteristics
:

A.

Altitude

1.

Clouds with a base below 2,000 meters are considered low
-
level clouds

2.

Clouds with a base between 2,000 and 6,000 meters are mid
-
level clouds.

(ALTO)

3.

Those with a base above 6,000 meters are
considered high
-
level clouds.

B.

Precipitation




C.

Shape

1.

In 1803, Luke Howard classified four main cloud types with Latin terms

a)

Cumulus means "pile"

(1)

Describes heaped, lumpy clouds.

(2)

Think of cotton balls

b)

Cirrus means "curl of hair"

(1)

Describes clouds that look
like wispy locks of hair.

c)

Stratus means “layer”

(1)

Describes featureless clouds that form sheets

d)

Nimbus means “rain”

(1)

Describes low, gray rain clouds











Information from:
http://asd
-
www.larc.nasa.gov/SCOOL/tutorial/clouds/cloudtypes.html

and
http://www.windows.ucar.edu/

Information from:
http://asd
-
www.larc.nasa.gov/SCOOL/tutorial/clouds/cloudtypes.html

and
http://www.windows.ucar.edu/

Clouds:

Kinds and Information

High
Clouds

Cirrus



long, thin &
wispy



normally white




mare’s t
ales




made of

ice
crystals



indicates
f
air
weather

Cirrocumulus



appear in long rows

& patchy



normally white or grey




mackerel sky




normally in

winter

time



Indicates

fair,
but
cold

weather
.




the same size or smaller

than the width of your
pinky

finger


Cirrostratus



appear like very thin and sheet like



usually cover the entire sky



Halo: sun and moon can shine through



c
ome
s
12 to 24 hours before rain or snow storm

Middle
Clouds


Altocumulus



grayish
-
white with one part of the cloud
darker than the othe
r



may be an indicator that bad weather is on
the way




wide as your thumb



Altostratus



usually covers the whole sky



gray or blue
-
gray appearance



sun or moon shine through: fuzzy



sometimes: rain falls, if hit ground= nimbostratus

Low
Clouds



Cumulus



wh
ite or light gray



sharp outlines



like floating cotton
balls



indicates fair
weather



TALL





your fist or larger
when you hold up
your hand at arm's
length to look at the
cloud

Cumulonimbus



thunderstorm

clouds



Produces h
eavy rain,
hail, lightening,
high
winds,
tornados



anvil
-
like shape



TALL


Stratocumulus



Layered & puffy



low, lumpy, and gray



can line up in rows
or can spread out



very light
precipitation: drizzle



common in cos
tal
areas


Stratus



uniform gray in
color

(thic
ker)



can cover most or
all of the sky



looks like fog



the sun can not be
pin
pointed



Made of water
droplets



Light mist or
drizzle



Nimbostratus



Layered and uniform



dark gray with a ragged
base



continuous
rain

or
snow


Information from:
http://asd
-
www.larc.nasa.gov/SCOOL/tutorial/clouds/cloudtypes.html

and
http://www.windows.ucar.edu/