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Signature of a tropical Pacific cyclone in the composition of the upper troposphere over Socorro, NM
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2015
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Source: Geophysical Research Letters, 42(21), 9530-9537
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Journal Title:Geophysical Research Letters
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Description:We present a case study based on balloon-borne ozone measurements during the SouthEast American Consortium for Intensive Ozonesonde Network Study in August –September 2013. Data from Socorro, NM (34°N, 107°W) show a layer of anomalously low ozone in the upper troposphere (UT) during 8 –14 August. Back trajectories, UT jet analyses, and data from the Microwave Limb Sounder (MLS) on the Aurasatellite indicate that this feature originated from the marine boundary layer in the eastern/central tropical Pacific, where several disturbances and one hurricane (Henriette) formed within an active region of the Intertropical Convergence Zone in early August 2013. The hurricane and nearby convection pumpedboundary layer air with low ozone (20 –30 ppbv) into the UT. This out flow was advected to North America 3–5 days later by a strong subtropical jet, forming a tongue of low ozone observed in MLS fields and a
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Source:Geophysical Research Letters, 42(21), 9530-9537
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DOI:
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ISSN:0094-8276
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Rights Information:Other
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