Scouting, Volume 8, Number 6, March 11, 1920 Page: 10
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10
SCOUTING, MARCH 11, 1920
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0
CIRRUS or'ttATS/m"
clouds are usually with
a clear day. flintiest of
formations. From about
5 to 6 miles. Calm sea.
a &
^ 2
CIRRO STRATUS
"7>WGZ£D "
A high Ihin whitish o/oud
Altitude about Sfoynlles.
Produces 7ialos,
Calm sea
v d t
C*iW'/'/'t'$■ -
CIRRO CUMULUS
Or 'MACK£R££j o/ouds.
$mall flalees arranged
in groups or tines
flelght about & mites.
Calm sea.
J'"'
. - . - ^
fxt
ALTO CUMULUS or
/father large white masses
or groups otter? spread into
tines, /telght uartes from
3 to 4- mites.
iSl
A thick greyr,Cl//?rAlM"lltce
cloud. Shows a bright
patch where su/2 or moon
hides, /tetght ad out 3
mites. Jguallg weather
Copyright, 1920, Sea Scout Dept. B. S. A.
Weather
What the Clouds
Tell the Scout.
Messrs. Horton and Rigney have
arranged cloud types memorably. It is
suggested that their pictures be used
on the blackboard, or from these
pages. Then call for written weather
predictions from cloud observations
day by day for a week. Your boys
who use cameras will be interested in
a cloud exhibit in February Country
Life. Perhaps they can duplicate or
excel it.
COMING weather sends its scouts
ahead. They float across the sky
in forms which indicate the kind of
weather they bring or what weather
may follow them. If your city or
town has no Weather Bureau station
located in it, your troop might do a
good turn to the Government by es-
tablishing a volunteer weather bu-
reau. Records of the wind, bar-
ometer pressure, temperature, cloud
forms and precipitation would have to
be kept. If you are interested in this
write the Chief of the Weather Bu-
reau at Washington, D. C.
Now we will take up the cloud trail.
Up, up we go, until at 5^ to 6 miles
we find the cirrus clouds; fine, white,
feathery fair-weather clouds. (Think
of the symbol alongside the sketch of
the cloud and you will be able to re-
member the cloud form and its char-
acteristics.)
At about Sy2 miles we find the
cirro-stratus form, like a fine, tangled
web, or sometimes a thin whitish
sheet. This form often produces
halos around the sun or moon, and is
another fair-weather cloud. At four
miles we find the cirro-cumulus; ar-
ranged in groups, or sometimes in
long lines. When these lines con-
verge toward some point on the dis-
tant horizon they indicate the point
from which a storm may be expected.
"Mackerel's backs and fish's tails
make lofty ships carry low sails."
Alto-cumulus clouds look some-
what like a flock of sheep in a mea-
dow; as these clouds are sometimes
in groups and sometimes separated
from each other. They may be white
or grayish, partially shaded, and in
winter snow flurries may fall from
them at times. Generally a fair-
weather cloud.
The alto-stratus is a cloud form
seen during unsettled weather, or be-
fore or after a storm.
Strato-cumulus clouds are the typi-
cal forms one finds a-sky during the
fall months. Long rolls of dark
cloud, generally accompanied by
strong winds, they appear to threaten
rain or snow at any time, yet this
cloud form does not produce either.
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Boy Scouts of America. Scouting, Volume 8, Number 6, March 11, 1920, periodical, March 11, 1920; New York, New York. (https://texashistory.unt.edu/ark:/67531/metapth283140/m1/10/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Boy Scouts of America National Scouting Museum.