Debris Flow · Puerto Rico

Debris Flow September 27, 2025 · Guaynabo, Puerto Rico

$400

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Emergency managers reported a small landslide at PR-833 near Urb. La Lomita in Sector Los Filtros in Barrio Frailes.

The wider storm

A band of moisture between Hurricane Humberto and the precursor of Hurricane Imelda moved over the islands. The combination of this moisture, light winds and diurnal heating resulted in showers and thunderstorms over the area, which triggered flooding and landslides in the vicinity of the San Juan metro area.

Began near Guaynabo (18.3812, -66.1146).

Source: NOAA Storm Events Database, event 1294700. Narratives are written by the National Weather Service forecast office that issued the report.

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