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August 2023 Windthrow Data

Published by National Park Service | Department of the Interior | Metadata Last Checked: January 25, 2026 | Last Modified: 2025-08-15T00:00:00Z
In August 2023, a large microburst storm event toppled a large number of saguaros in Saguaro National Park's Tucson Mountain District (TMD). Hundreds of saguaros were killed or damaged in the initial event. Two surveys, one in 2023 and a follow-up in 2025 mapped and recorded data from greater than 2000 saguaros impacted by the windthrow of August 2023.This data set contains relevant data from the Saguaro National Park Blow Down Study.

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