Flash Flood — Arecibo, Puerto Rico

2020-09-13 · near Arecibo, Arecibo, Puerto Rico

Event narrative

Exit 77B in PR-129 towards Lares was flooded.

Wider weather episode

An upper-level trough located north of the an area and abundant moisture combined with local and diurnal effects to generate afternoon showers and thunderstorms across the northwestern quadrant of Puerto Rico. Very heavy rainfall occurred, particularly in the urban areas of Arecibo, where accumulations in excess of 3-4 inches were observed.

View location on OpenStreetMap → (18.4532, -66.7466)

Source: NOAA Storm Events Database, event_id 920694. Narrative written by the NWS forecast office that issued the report.