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Stra
tocu
mul
usCo
mm
on. S
ome-
times
cove
ring
the w
hole
sky,
som
etim
es
mor
e like
fla
ttene
d cu
mul
us.
Cum
ulus
Smal
l cum
ulus
ha
ve a
cot
ton
woo
l sha
pe.
Oft
en g
row
to
bun
ch
toge
ther
. N
o ra
in.
Altostr
atus
Thick
er th
an
cirro
strat
us; su
n
visib
le as
disc
.
No shad
ows
or halo
.
Altocumulus Broken into small flat clouds, often regularly ar- ranged. No rain or snow.
CirrusSom
etimes delicate,
hair-like strands.
Sometim
es thicker blobs.
Cirrostratus
A veil of thin white
cloud. Sun clearly
visible with
shadows. Often
with a halo.
Cirrocumulus
Not a com
mon
type. Some-
times dappled
or rippled. Sun visible.
Nimbostratus
Thick, dark stratus,
giving rain, which
is often heavy
and prolonged.
Difficult to
photo-
graph.
CumulonimbusCumulus grown tall and dark. Showers likely. Top can be very high, sometimes feathery or flat.
Stratus
Grey, flat and bor-
ing, no sun visi-
ble. Drizzle may
fall. Called hill
fog on high
ground.
Low Rain Falling Low Rain Falling Low Below 2000m
L
ow Below 20
00m
Lo
w B
elow
200
0m
Mid
-leve
l 200
0 to 6000m
Mid-level 2000 to 6000m High above 6000m High above 6000m
High above 6000m
MetLinkCloud Wheel
Cut out along the dotted lines, poke a hole in the centre of both circles and put a paper fastener through the holes. You are now ready to identify clouds.
Ci
CcCu
As
Ac
Ns
Cb St
Sc
Cs
cut out
cut out
MetLink
www.metlink.org
CloudWheel
MetLinkCloud Wheel
Cut out along the dotted lines, poke a hole in the centre of both circles and put a paper fastener through the holes. You are now ready to identify clouds.