'Actinoform' Cloud Structure
Clouds and eclipses stain both moon and sun,
And loathsome canker lives in sweetest bud.
William Shakespeare, Sonnet XXXV
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The Actinoform Structure (named after the greece actinos, a beam) may have two forms:
The cloud top height is from 0.6 - to 2 km, seldom to 2.5.
The Actinoform Structure emerges at the border of the fields
of the open and close convective cells using the open convective cells
as the substrate.
The Actinoform Structure mainly consists of stratocumulus clouds; quite often there are stratus clouds along the ridge of the "ribs" and small cumulus - in their periphery.
Actinoform Structures are not seen frequently, though they
can be seen quite often.
Not often it is possible to watch large (up to 600 - 700 km) cloud structures bearing some similarities to the Actinoform structure and undergoing dissociation (possibly the increase of the dimension causes the structural instability). It is hard to say exactly if such enormous formations belong to the Actinoform structure, because there is no valid physical description of this structure yet.
| Global occurrence
diagram of 'Actinoform' Structure
|Clouds From Space
SYNOPTIC SATELLITE METEOROLOGY
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