Flood — San Juan, Puerto Rico

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

Event narrative

A 911 employee informed that Calle Juncos in San Juan was affected by flooding from heavy rain.

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 → (18.4418, -66.0468)

Source: NOAA Storm Events Database, event_id 1216894. Narrative written by the NWS forecast office that issued the report.