Flash Flood · Puerto Rico

Flash Flood December 10, 2011 · Toa Alta, Puerto Rico

$20K

Damage as recorded

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

What the National Weather Service wrote

Flooding was reported in Monte Casino, Quebrada Arenas affecting some residences. Also mudslides were reported in parts of Road 861 near Curva Herradura.

The wider storm

The interaction of a deep layered trough and a low pressure system across the Central Atlantic, generated a prevailing east northeast wind across the northern Caribbean basin. The interaction of these two features generated a very unstable environment across the local region producing scattered to numerous showers and thunderstorms along the northern portions of Puerto Rico.

Began near Toa Alta (18.3536, -66.2846).

Source: NOAA Storm Events Database, event 353489. Narratives are written by the National Weather Service forecast office that issued the report.

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