Flash Flood · Puerto Rico

Flash Flood November 11, 2020 · Arroyo, Puerto Rico

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

What the National Weather Service wrote

Emergency managers reported that Rio Maunabo went out of its banks, affecting Road PR-3 towards Patillas. Road was impassable.

The wider storm

Very deep tropical moisture pulled up by the circulation of Tropical Cyclone Eta as it was moving across Cuba and into Southern Florida moved over the area. As a result, environmental conditions were very favorable for multiple days of heavy shower activity. A tropical wave was also injected into Eta's moisture plume, further enhancing the moisture content across the local area between 11/10 and 11/11.

Began near Arroyo (18.0040, -65.9060).

Source: NOAA Storm Events Database, event 930376. Narratives are written by the National Weather Service forecast office that issued the report.

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