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Flash Flood · Puerto Rico
Flash Flood October 31, 2024 · San Juan, Puerto Rico
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
San Juan Emergency managers reported a flooded intersection between America St. and PR-27 (Barbosa Avenue). This was near the restaurants New Lion King, Burger King, and KFC. Two people were reported trapped in their vehicle.
The wider storm
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.
Began near San Juan (18.4191, -66.0440).
Source: NOAA Storm Events Database, event 1216874. Narratives are written by the National Weather Service forecast office that issued the report.
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