JetStreamJetStream An Online School for

Weather al Se on rv ti ic a High 16,000 - 50,000 feet e N Middle Clouds Cutout 6,500 - 23,000 feet Low Clouds

Up to 6,500 feet

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v w o w g . . s a r a h Spotter o . n n National Weather Service . o for Safety, for Work, for Fun - FOR LIFE h a r a s . . g w o w v w

Cutout

Lesson plan: Head in the clouds. Cut along dotted lines and make a small hole in the center of both wheels. Attach wheels together using a brass fastener. Record cloud observations onto a cloud observation form. Complete lesson plan and PDF versions of wheels/forms are located at... http://www.srh.weather.gov/srh/jetstream/synoptic/ll_clouds1.htm

There are over 35 lesson plans in the National Weather Service education website

JetStream - An Online School for Weather, a free resource at www.srh.noaa.gov.

Cirrus Appears as detached TransparentCirrostratus or semitrans- clouds in the form of parent, whitish cloud veil white, delicate with hairlike or smooth filaments, or white, or appearance, totally or Stratus mostly white partially covering patches or narrow the sky, and often Flat featurelessare low to the clouds ground. that bands. These producing a Thin, white patch or layer These clouds vary in clouds have a Cirrocumulus color from gray to of cloud without shading. white. Usually hair-like partial or

complete Composed of very l appearance, ly low coveringsky. the Stratus whole small elements in the form of grains tch halo. clouds also or a silky or ripples. Most appear in sheen, appear less fragments elements during or than the periods width of umulus of both. finger. . one often ds or evelopment. Stratocumulus gray and/or whitish d rolls. Stratoc the form of relativelayer, sheet or pa elements are

Predominantly stratiform in ban

showing little vertica arranged in

shadows and and shadows mo translu

halos are halos

greater part is always always is part greater seen. reveal the sun the reveal the groun the

never never

Grayish or bluish color, color, bluish or Grayish

never white never

on). Objects on).

not

Altostratus base.

cloud cloud

cent en cent

ca

lower the the lower

st st

the air, the the air, the d do d

more humid more

region.

humidity. The The humidity. or rolls. or , and the the and ,

ough to to ough

ause.

‘low’ cloud cloud ‘low’

elevation will will elevation (or (or p

on on

reaching the the reaching depend upon the the upon depend masses masses

tropo-

cloud base, and its its and base, cloud

eventually eventually

rounded rounded

cotton wool. The flat flat The wool. cotton

base lowers as rain rain as lowers base Cumulus

height of the of height increases increases

wavy, wavy,

Altostratus. The cloud cloud The Altostratus. like white fluffy balls of of balls fluffy white like

indicates the indicates

Results from thickening thickening from Results that is noticeable. Looks Looks noticeable. is that

patches with with patches flattening

Has vertical development development vertical Has

produces steady rain. rain. steady produces

sheets or or sheets

r 10 10 r

shaped top.This top.This shaped

Dark gray cloud that that cloud gray Dark

Tend to occur in in occur to Tend

Nimbostratus by the flat anvil- anvil- flat the by

individual puffs. puffs. individual

clouds are identified identified are clouds

elements, bands or or bands elements,

high. Mature Mature high. miles

gray colored roll-like roll-like colored gray

that can grow to ove to grow can that

they appear as white or or white as appear they

The cloud thunderstorm The

Composed of mainly water water mainly of Composed Cumulonimbus Altocumulus

There are over 35 lesson plans in the National Weather Service education website

JetStream - An Online School for Weather, a free resource at www.srh.noaa.gov.

Lesson plan: Head in the clouds Cut along dotted lines and make a small hole in the center of both wheels. Attach wheels together using a brass fastener. Record cloud observations onto a cloud observation form. Complete lesson plan and PDF versions of wheels/forms are located at... http://www.srh.weather.gov/srh/jetstream/synoptic/ll_clouds1.htm

This is part of one of the over 35 lesson plans in the National Weather Service education website JetStream - An Online School for Weather, a free resource at www.srh.weather.gov.