Flash Flood — Humacao, Puerto Rico

2024-10-31 · near Humacao, Humacao, Puerto Rico

$1K

Property damage

Event narrative

Emergency managers reported flash flooding (urban) affecting portions of road PR-198 or Calle Font Martelo, near Hospital Ryder, in Humacao. The road was impassable.

Wider weather episode

A series of cold fronts and a polar trough increased moisture and instability across the region for the last three days of October. Moisture levels went well above the climatological value, leading to a significant increase in showers and thunderstorms. Showers were very numerous, with rainfall accumulations surpassing 8 inches in sectors of northeastern and southeastern Puerto Rico. Soils were saturated, and rivers were running very high, triggering the issuance of a Flood Watch. With the excessive rainfall, multiple flash flooding events and mudslides unfolded.

View location on OpenStreetMap → (18.1565, -65.8360)

Source: NOAA Storm Events Database, event_id 1216875. Narrative written by the NWS forecast office that issued the report.