Flash Flood · Puerto Rico

Flash Flood March 20, 2021 · Catano, Puerto Rico

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

What the National Weather Service wrote

Emergency manager called to report a rescue of three people due to heavy rainfall and the Rio Cucharillas out of its banks in sector Reparto Paraiso.

The wider storm

A surge in low-level moisture combined with daytime heating and local effects to generate afternoon convection across the northwestern quadrant of PR. In addition, a persistent streamer developed from Trujillo Alto to Toa Baja, generating significant rainfall activity, especially across Toa Baja and Catao, where estimates were in excess of 3-5 inches.

Began near Catano (18.4388, -66.1394).

Source: NOAA Storm Events Database, event 950891. Narratives are written by the National Weather Service forecast office that issued the report.

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