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Altostratus is a middle-altitude
cloud genus made up of
water droplets, ice crystals, or a
mixture of the two.
Altostratus clouds are
formed when large...
-
precipitation that
evaporates before reaching the ground.
Genus altostratus (As) –
Altostratus is a
midlevel opaque or
translucent nonconvective veil of gray/blue-gray...
- The
altostratus undulatus is a type of
altostratus cloud with
signature undulations within it.
These undulations may be
visible (usually as "wavy bases")...
- Opacity-based
varieties Altostratus translucidus (V-49)
Altostratus through which the sun can be seen.
Altostratus opacus (V-50)
Altostratus that
completely blocks...
-
preceded by higher-level
clouds such as
cirrostratus and
altostratus. Often, when an
altostratus cloud thickens and
descends into
lower altitudes, it will...
- front,
where the
altostratus is
starting to fragment,
resulting in
patches of alto****ulus
perlucidus between the
areas of
altostratus. Alto****ulus is also...
-
sheen in the sky or as a
striated sheet. They are
sometimes similar to
altostratus and are
distinguishable from the
latter because the Sun or Moon is always...
- detached, and of
irregular form,
found beneath nimbostratus, ****ulonimbus,
altostratus and ****ulus clouds.
These clouds are
often ragged or
wispy in appearance...
-
stability and wind shear. As the
front approaches, middle-étage
gives way to
altostratus and low-level strato****ulus with
intermittent light precipitation if...
- away. A
thickening and
lowering of
these high
clouds into middle-stage
altostratus or alto****ulus is a good sign the warm
front or low has
moved closer...
