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Cloud distributions in a Bay of Bengal monsoon depressionMuch of the volume of a monsoon depression studied over the Bay of Bengal on July 7, 1979 featured thin, fragmentary layers of stratus, implying an absence of strong vertical motion. Coverage by cumulus updrafts was about 20 times less than coverage by inert cumulus remnants, and a great number density of humilis was found moistening the central area, following subsidence and drying. Detailed observations were made of a cloud line growing out of the southwesterly flow south of the center of the depression, which propagated faster than the low level winds. Aircraft altimetry showed an abrupt height drop from 6097 to 6090 m at 483 hPa, over a distance of 50 km from southeast to northwest through the line. Southwesterly momentum was lifted from 900 to 600 hPa and from southeast to northwest through the line. Other colocated singularities in convection and wind fields were found.
Document ID
19840044385
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Warner, C.
(Virginia Univ. Charlottesville, VA, United States)
Grumm, R. H.
(Virginia, University Charlottesville, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1984
Publication Information
Publication: Monthly Weather Review
Volume: 112
ISSN: 0027-0644
Subject Category
Meteorology And Climatology
Accession Number
84A27172
Funding Number(s)
CONTRACT_GRANT: NAG5-297
CONTRACT_GRANT: NSF ATM-80-12214
Distribution Limits
Public
Copyright
Other

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