How Hurricane Maria’s heavy rains devastated Puerto Rico’s forests

Waterlogged soils, strong winds and intense rainfall together toppled and snapped trees

Toro Negro State Forest

Hurricane Maria ravaged Puerto Rico’s forests, including the Toro Negro State Forest (shown). Tree species with dense wood snapped about as easily as less dense trees, and heavy rainfall played an outsized role in the destruction, new analyses find.

Kevin Krajick/Earth Institute/Columbia University

Wind may be the usual suspect for knocking down trees during hurricanes, but a new survey of forest damage in Puerto Rico after back-to-back hurricanes in 2017 highlights the power of a strong downpour.