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Flash Flood · Puerto Rico

Flash Flood July 20, 2025 · Catano, Puerto Rico

$4K
Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Flash flooding was reported at PR-869 and Flor del Valle Avenue in front of Sullivans BBQ. A car was stranded in the flooding waters with two people trapped inside.

The wider storm

Lingering moisture and marginal instability associated with a nearby upper-level low to the northwest, combined with breezy east-southeast low-level winds, led to isolated to scattered showers over eastern Puerto Rico early in the morning. As the day progressed, showers and cloudiness spread across much of Puerto Rico, with more frequent and intense showers and isolated thunderstorms developing over the San Juan metropolitan area (particularly over Bayamon, Catano and Toa Baja where flooding and flash flooding reports were received) and parts of north-central to northwestern Puerto Rico during the afternoon. Rainfall totals of up to four inches prompted Flood Advisories and Flash Flood Warnings in the San Juan metro area.

Began near Catano (18.4231, -66.1440).

Source: NOAA Storm Events Database, event 1278919. Narratives are written by the National Weather Service forecast office that issued the report.

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