Physics
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3310804s&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 10, CiteID L10804
Physics
3
Atmospheric Processes: Convective Processes, Atmospheric Processes: Mesoscale Meteorology, Atmospheric Processes: Tropical Meteorology
Scientific paper
Propagating disturbances in the tropical atmosphere exhibiting characteristics of linear equatorial waves have been shown to be ``coupled'' to convection. In some cases, a rain event at a specific location can be associated with a particular wave of sufficiently large amplitude. Rain events spanning three years at Kwajalein Atoll, Republic of the Marshall Islands, 8.72°N 167.73°E, are classified by associated wave type (i.e. Kelvin or mixed Rossby-gravity (MRG)) using space-time spectral-filtered outgoing longwave radiation (OLR). Contoured frequency by altitude diagrams (CFADs) of radar for the classified dates were compared between the two groups. The Kelvin wave accumulated CFAD has a distribution shifted to lower reflectivities compared to MRG suggesting that Kelvin storms likely contain a larger fraction of stratiform to convective area compared to MRG storms.
Kiladis George N.
Sobel Adam H.
Swann Andrew
Yuter Sandra E.
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