Flash Flood in Prince George's County, Maryland

Flash Flood July 9, 2025 · Prince George's County, Maryland

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

What the National Weather Service wrote

Allison Street at 38th Street closed near the Northwest Branch Anacostia River for water flowing over the road at least six inches deep.

The wider storm

An anomalously moist airmass ahead of a frontal boundary sparked numerous showers and thunderstorms across Maryland. Instantaneous rain rates approached five to six inches an hour in the bigger storms. Storm total rainfall of one and a half to four inches resulted in flooding and flash flooding in areas throughout the evening of July 9th.

Began near Brentwood (38.9494, -76.9617).

Source: NOAA Storm Events Database, event 1262007. Narratives are written by the National Weather Service forecast office that issued the report.

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