STS-092 Earth Sciences and Image Analysis Debriefing with Crewmembers
November 28, 2000

CLOUDS AND ICE
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View larger image for STS092-703-75
STS092-703-75
Weakening cyclone and occlusion southeast of New Zealand 16/10. This system is well past its peak intensity with light winds and a lack of high level clouds. Near-stable convection controls cloud evolution: well-marked banding features remain around the circulation; frontal zone extends northward towards the equator with diffuse pattern of cellular cloud features due to low kinetic energy (weak winds).
View larger image for STS092-720-26
STS092-720-26
A wind gust front makes an observable pattern on the ocean surface near the Fiji Basin (12.8S, 173.7E). The strong gust probably comes from a large area of thunderstorms reaching maturity and collapsing. When storms collapse a down draft is created and flows out from the storm. The clouds along the leading edge of the gust front are forming along an unstable area as the denser, colder down draft air meets the warmer ocean air.
View larger image for STS092-712-67
STS092-712-67
Field of cellular convection clouds under stable conditions, southern Pacific Ocean.
View larger image for STS092-703-32
STS092-703-32
Field of cellular convection clouds under stable conditions, southern Pacific Ocean.
View larger image for STS092-702-25
STS092-702-25
Cumulus clouds with long shadows.
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STS092-712-2
Icebergs. If these are in the south Atlantic (no databack for locational detail) they are probably traveling with the Circumpolar Current.
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