Flash Flood · Puerto Rico

Flash Flood April 30, 2026 · Hormigueros, Puerto Rico

$100K

Damage as recorded

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

What the National Weather Service wrote

Emergency managers reported flooding along Calle Mirtos in Valle Hermoso Arriba, Hormigueros. They stated that a sewer overflowed, causing problems at one house where water entered the first floor. Based on radar estimates, around 2 inches of rain fell.

The wider storm

On the afternoon of April 30th, locally induced showers with isolated thunderstorms developed over portions of the interior and north-central PR and steered by southeasterly winds towards the western half. This resulted in urban and small stream flooding, as well as isolated flash flooding, over sectors of interior to western PR including Hormigueros through the evening hours.

Began near Hormigueros (18.1501, -67.1425).

Source: NOAA Storm Events Database, event 1331049. Narratives are written by the National Weather Service forecast office that issued the report.

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