Flood — San Juan, Puerto Rico

2024-10-31 · near San Juan, San Juan, Puerto Rico

Event narrative

Flooding was observed in front of Fine Arts in Munoz Rivera Avenue in Hato Rey, San Juan. The avenue was still passable, but it was slowing down traffic.

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 → (18.4287, -66.0591)

Source: NOAA Storm Events Database, event_id 1216958. Narrative written by the NWS forecast office that issued the report.