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Lesson plan: Head in the clouds - National Weather Service ...

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JetStream<br />

An Onl<strong>in</strong>e School for Wea<strong>the</strong>r<br />

<strong>National</strong> Wea<strong>the</strong>r <strong>Service</strong><br />

Cutout<br />

CloudSpotter<br />

<strong>National</strong> Wea<strong>the</strong>r <strong>Service</strong><br />

for Safety, for Work, for Fun - FOR LIFE<br />

www.srh.noaa.gov www.srh.noaa.gov<br />

Cutout<br />

High Clouds<br />

16,000 - 50,000 feet<br />

Middle Clouds<br />

6,500 - 23,000 feet<br />

Low Clouds<br />

Up to 6,500 feet<br />

<strong>Lesson</strong> <strong>plan</strong>: <strong>Head</strong> <strong>in</strong> <strong>the</strong> <strong>clouds</strong>. Cut along dotted l<strong>in</strong>es and make a small hole <strong>in</strong> <strong>the</strong> center of both wheels. Attach<br />

wheels toge<strong>the</strong>r us<strong>in</strong>g a brass fastener. Record cloud observations onto a cloud observation form. Complete lesson<br />

<strong>plan</strong> and PDF versions of wheels/forms are located at...<br />

http://www.srh.wea<strong>the</strong>r.gov/srh/jetstream/synoptic/ll_<strong>clouds</strong>1.htm<br />

There are over 35 lesson <strong>plan</strong>s <strong>in</strong> <strong>the</strong> <strong>National</strong> Wea<strong>the</strong>r <strong>Service</strong> education website<br />

JetStream - An Onl<strong>in</strong>e School for Wea<strong>the</strong>r, a free resource at www.srh.noaa.gov.


Predom<strong>in</strong>antly stratiform <strong>in</strong><br />

<strong>the</strong> form of relatively low<br />

gray and/or whitish<br />

layer, sheet or patch<br />

Cumulus<br />

Has vertical development<br />

that is noticeable. Looks<br />

like white fluffy balls of<br />

cotton wool. The flat<br />

cloud base, and its<br />

elevation will<br />

depend upon <strong>the</strong><br />

humidity. The<br />

more humid<br />

<strong>the</strong> air, <strong>the</strong><br />

lower <strong>the</strong><br />

cloud<br />

base.<br />

Stratocumulus<br />

Stratus<br />

development.<br />

Stratocumulus<br />

elements are<br />

often<br />

show<strong>in</strong>g little vertical<br />

The thunderstorm cloud<br />

that can grow to over 10<br />

miles high. Mature<br />

<strong>clouds</strong> are identified<br />

by <strong>the</strong> flat anvilshaped<br />

top.This<br />

flatten<strong>in</strong>g<br />

<strong>in</strong>dicates <strong>the</strong><br />

height of <strong>the</strong><br />

tropopause.<br />

Cumulonimbus<br />

bands or<br />

rolls.<br />

arranged <strong>in</strong><br />

Cirrus<br />

Appears as detached<br />

<strong>clouds</strong> <strong>in</strong> <strong>the</strong> form of<br />

white, delicate<br />

filaments, or white, or<br />

mostly white<br />

Flat featureless <strong>clouds</strong> that<br />

are low to <strong>the</strong> ground.<br />

These <strong>clouds</strong> vary <strong>in</strong><br />

color from gray to<br />

white. Usually<br />

cover<strong>in</strong>g <strong>the</strong> whole<br />

sky. Stratus<br />

<strong>clouds</strong> also<br />

appear <strong>in</strong><br />

fragments<br />

dur<strong>in</strong>g<br />

periods<br />

of<br />

ra<strong>in</strong>.<br />

Transparent or semitransparent,<br />

whitish cloud veil<br />

with hairlike or smooth<br />

appearance, totally or<br />

partially cover<strong>in</strong>g<br />

<strong>the</strong> sky, and often<br />

produc<strong>in</strong>g a<br />

partial or<br />

complete<br />

halo.<br />

patches or narrow<br />

bands. These<br />

<strong>clouds</strong> have a<br />

hair-like<br />

appearance,<br />

or a silky<br />

sheen,<br />

or<br />

both.<br />

Th<strong>in</strong>, white patch or layer<br />

of cloud without shad<strong>in</strong>g.<br />

Composed of very<br />

small elements <strong>in</strong><br />

<strong>the</strong> form of gra<strong>in</strong>s<br />

or ripples. Most<br />

elements<br />

appear less<br />

than <strong>the</strong><br />

width of<br />

one<br />

f<strong>in</strong>ger.<br />

Dark gray cloud that<br />

produces steady ra<strong>in</strong>.<br />

Results from thicken<strong>in</strong>g<br />

Altostratus. The cloud<br />

base lowers as ra<strong>in</strong><br />

<strong>in</strong>creases<br />

eventually<br />

reach<strong>in</strong>g <strong>the</strong><br />

‘low’ cloud<br />

region.<br />

Altocumulus<br />

Composed of ma<strong>in</strong>ly water<br />

<strong>the</strong>y appear as white or<br />

gray colored roll-like<br />

elements, bands or<br />

<strong>in</strong>dividual puffs.<br />

Tend to occur <strong>in</strong><br />

sheets or<br />

patches with<br />

wavy,<br />

rounded<br />

masses<br />

or rolls.<br />

Cirrostratus<br />

Grayish or bluish color,<br />

never white, and <strong>the</strong><br />

greater part is always<br />

translucent enough to<br />

reveal <strong>the</strong> sun (or<br />

moon). Objects on<br />

<strong>the</strong> ground do<br />

not cast<br />

shadows and<br />

halos are<br />

never<br />

seen.<br />

Nimbostratus<br />

Cirrocumulus<br />

There are over 35 lesson <strong>plan</strong>s <strong>in</strong> <strong>the</strong> <strong>National</strong> Wea<strong>the</strong>r <strong>Service</strong> education website<br />

JetStream - An Onl<strong>in</strong>e School for Wea<strong>the</strong>r, a free resource at www.srh.noaa.gov.<br />

Altostratus


<strong>Lesson</strong> <strong>plan</strong>: <strong>Head</strong> <strong>in</strong> <strong>the</strong> <strong>clouds</strong><br />

Cut along dotted l<strong>in</strong>es and make a small hole <strong>in</strong><br />

<strong>the</strong> center of both wheels. Attach wheels toge<strong>the</strong>r<br />

us<strong>in</strong>g a brass fastener. Record cloud<br />

observations onto a cloud observation form. Complete<br />

lesson <strong>plan</strong> and PDF versions of wheels/forms are<br />

located at...<br />

http://www.srh.wea<strong>the</strong>r.gov/srh/jetstream/synoptic/ll_<strong>clouds</strong>1.htm<br />

This is part of one of <strong>the</strong> over 35 lesson <strong>plan</strong>s <strong>in</strong> <strong>the</strong><br />

<strong>National</strong> Wea<strong>the</strong>r <strong>Service</strong> education website<br />

JetStream - An Onl<strong>in</strong>e School for Wea<strong>the</strong>r, a free<br />

resource at www.srh.wea<strong>the</strong>r.gov.

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