Early radar echoes from ultragiant aerosol in a cumulus congestus: Modeling and observations

The growth of ultragiant aerosol (UGA) in a Lagrangian framework within a simulated three-dimensional cloud is analyzed and compared with radar and aircraft observations of a cumulus congestus collected during the Small Cumulus Microphysics Study (SCMS). UGA are ingested into the simulated cloud and...

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Bibliographic Details
Published in:Journal of the atmospheric sciences 2001-12, Vol.58 (23), p.3545-3562
Main Authors: LASHER-TRAPP, Sonia G, KNIGHT, Charles A, STRAKA, Jerry M
Format: Article
Language:English
Subjects:
Aerosols
Atmosphere
Cloud physics
Clouds
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Radar
Rain
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Description
Summary:The growth of ultragiant aerosol (UGA) in a Lagrangian framework within a simulated three-dimensional cloud is analyzed and compared with radar and aircraft observations of a cumulus congestus collected during the Small Cumulus Microphysics Study (SCMS). UGA are ingested into the simulated cloud and grow by continuous collection; the resulting radar reflectivity factor and raindrop concentrations are evaluated at 1-min intervals.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(2001)058<3545:erefua>2.0.co;2