Altocumulus Mackerel Sky over Hong Kong
Altocumulus Mackerel Sky over Hong Kong (魚鱗天 / 鯖魚花紋的天空)
Stock Photo ID: hkdigit-070928-063534
Date: 28 Sept., 2007 06:35:34
Equipment: Canon 850IS
Place: Yuen Long, New Territories
A mackerel sky is an indicator of moisture (the cloud) and instability (the cumulus form) at intermediate levels (2400-6100 m, 8000-20,000 ft). If the lower atmosphere is stable and no moist air moves in, the weather will most likely remain dry. However, moisture at lower levels combined with surface temperature instability can lead to rainshowers or thunderstorms should the rising moist air reach this layer
Labels: altocumulus, clouds, mackerel sky, yuen long, 魚鱗天
posted by David Chow at 07:13
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1 Comments:
it is such an extraordinary photo !! at the beginning i thought i was the surface of our earth!! see what i see ?: that behind the clouds is the land... like a photo of our earth from the space...
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