BOM-cloud quiz
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Tasmania Mr McCloud's Cloud
Quiz
"Hi
! I'm Mr McCloud.
Read through the information about clouds on the right
and then have a go at my
Cloud
Quiz."
More about Mr
McCloud
Mr McCloud shows
the four primary cloud groups - cirrus
(wispy, hair-like), strata (layers,
sheet-like), cumulus (puffy, heaped)
and nimbus (rain cloud).
He has a
cumulonimbus body with a thunderhead (he's a bit of a dunderhead and going
a bit troppo - his bald patch is pushing through the
tropopause).
He has cirrus
cloud for hair and ice crystal dandruff. His feet are made from strata
cloud. One leg is a tornado and the other is a heavy down pour of rain
(microburst).
He carries a
lightning walking stick that he uses to herd and scare people with and
lives in a cloud environment, with a cloud house and cloud car etc. He has
a cloud farm with a herd of fluffy cloud sheep.
Cloud
Classification
Clouds have names that come from Latin (an
ancient Roman language). An English naturalist Luke Howard, in 1803,
developed a classification system based on the following four main cloud
types:
- Cumulus -
Latin for 'heap', to describe a puffy cloud
- Cirrus -
Latin for 'curl of hair', to describe a wispy cloud
- Stratus -
Latin for 'layer', to describe a sheet-like cloud
- Nimbus -
Latin for 'violent rain', to describe a rain cloud.
Other clouds could be
described by combining the basic types. For example, nimbostratus is a
rain cloud that occurs in layers, whereas cumulonimbus is a rain cloud
with pronounced vertical development.
Cirrostratus is cirrus
occurring as a sheet-like cloud, and stratocumulus is a layer cloud with
some cumulus features.
There are ten principal cloud
forms which are divided into four primary cloud groups:
- High clouds - cirrus, cirrostratus, cirrocumulus
- Middle
clouds - altostratus, altocumulus
- Low
clouds - nimbostratus, stratocumulus,
stratus
- Clouds with vertical
development - cumulus,
cumulonimbus.
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