Nonprecipitating Phenomena Seen by the S-PolKa Radar in DYNAMO

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Nonprecipitating Phenomena Seen by the S-PolKa Radar in DYNAMO DYNAMO Workshop, Hapuna Beach, Hawaii, 5 March 2013 R. Houze University of Washington

description

Nonprecipitating Phenomena Seen by the S-PolKa Radar in DYNAMO. R. Houze University of Washington. DYNAMO Workshop, Hapuna Beach, Hawaii, 5 March 2013. Summary. Low-level humidity and cumulus features seen by S-PolKa Humidity Cumulus organization. - PowerPoint PPT Presentation

Transcript of Nonprecipitating Phenomena Seen by the S-PolKa Radar in DYNAMO

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Nonprecipitating Phenomena Seen by the S-PolKa Radar in DYNAMO

DYNAMO Workshop, Hapuna Beach, Hawaii, 5 March 2013

R. HouzeUniversity of Washington

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Summary

Low-level humidity and cumulus features seen by S-PolKa• Humidity • Cumulus organization

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Humidity gradient layers and nonprecipitating clouds

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Bragg scattering shows

nonprecipitating cumulus in the

moist layer

dBZ

ρhv

ZDR

“Mantle Echoes” Knight and

Miller (1998)

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Long lines of cumulus

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Lines of cumulus parallel to wind

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Slightly active moist layer

Clouds building at cold

pool boundaries

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EndThis research was sponsored by DOE ARM grant #DE-SC0001164/ER-64752