Flash Flood · Puerto Rico

Flash Flood May 23, 2021 · Humacao, Puerto Rico

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

What the National Weather Service wrote

Road PR-3 was flooded all the way through the port.

The wider storm

A deep mid and level trough north of the area combined with a frontal boundary near the area to result in periods of enhanced shower and thunderstorm activity. During the afternoon hours of 5/21 and 5/22, severe thunderstorms developed across interior Puerto Rico, then during the predawn hours of 5/23, an area of very heavy rainfall activity affected the coastal municipalities of eastern PR.

Began near Humacao (18.1479, -65.7999).

Source: NOAA Storm Events Database, event 962022. Narratives are written by the National Weather Service forecast office that issued the report.

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