Flash Flood in Vega Alta Municipio, Puerto Rico

Flash Flood in Vega Alta Municipio, Puerto Rico: 47 recorded events between 2009 and 2025. The strongest on record measured 0. That places the county #663 nationally and #13 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Vega Alta Municipio is the 2010s, when 34 of the county's 47 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Vega Alta Municipio archive, flash flood makes up 47.0% of all recorded severe weather across 5 hazard types. Nationally the county sits at #663 for this hazard and #13 within Puerto Rico, putting it in the 78.3 percentile of all U.S. counties.

Mar is the peak month for flash flood in Vega Alta Municipio with 8 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

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How many flash flood events are on record in Vega Alta Municipio, Puerto Rico?

47 flash flood events are recorded in Vega Alta Municipio between 2009 and 2025, causing 1 direct deaths.

What is the strongest flash flood recorded in Vega Alta Municipio?

The strongest flash flood on record in Vega Alta Municipio measured 0.

Where does the flash flood data for Vega Alta Municipio come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.