November 27-December 2 AQ Event

  The second  AQ event of the winter 2023-2024 season developed during the last week of November.

Time series at Hawthorne showing the increase in PM 2.5 on 29 November that resulted from an increasingly shallow boundary layer over the several day period.

The ceilometer on the valley floor highlight the boundary layer depth on the 29th.



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September 26, 2024: UUPYF Tower Deployment

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