Debris Flow — Guaynabo, Puerto Rico

2025-04-28 · near Guaynabo, Guaynabo, Puerto Rico

Event narrative

The Municipal Office of Emergency Management (OMME) in Guaynabo reported a landslide that affected Camino La Marquesa near Parque Forestal La Marquesa. The debris from the landslide rendered the road impassable and obstructed traffic flow through the area.

Wider weather episode

From April 26 through 30, a moist and unstable weather pattern affected Puerto Rico and the U.S. Virgin Islands. The episode began as deep tropical moisture moved into the region from the southeast, interacting with deep-layer troughs and supportive jet dynamics aloft. This synoptic setup led to daily rounds of scattered to numerous showers and isolated thunderstorms, especially during the afternoons across the interior and western portions of Puerto Rico.

View location on OpenStreetMap → (18.2947, -66.1165)

Source: NOAA Storm Events Database, event_id 1257281. Narrative written by the NWS forecast office that issued the report.