Flash Flood · Puerto Rico

Flash Flood November 11, 2020 · Humacao, Puerto Rico

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

What the National Weather Service wrote

Persistent heavy rains caused a small stream to go out of its banks and flood portions of Road PR-909 KM 3.5 in Barrio Mariana.

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 Humacao (18.1240, -65.8533).

Source: NOAA Storm Events Database, event 929949. Narratives are written by the National Weather Service forecast office that issued the report.

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