Flash Flood · Puerto Rico

Flash Flood April 28, 2023 – April 29, 2023 · Guaynabo, Puerto Rico

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

What the National Weather Service wrote

Significant flooding was reported along road PR-177, near Panderia Lemy.

The wider storm

A weak trough near the Leeward islands was maintaining a weak steering flow over the local islands. Instability aloft was increasing as mid level temperatures cool down. The combination of these factors, along with strong diurnal heating and enough moisture in the lower levels resulted in very strong showers and isolated thunderstorms over the area. Several reports of mudslides and flooding were received.

Began near Guaynabo (18.3800, -66.1200).

Source: NOAA Storm Events Database, event 1085602. Narratives are written by the National Weather Service forecast office that issued the report.

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