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Saturday, February 10, 2018

Heavy Rain Forecast Prompts Flood Watch for County

Flood Watch for Prince George's County

Media Contact: Mark E. Brady, Chief Spokesperson, 240-508-7930

mebrady@co.pg.md.us    @PGFDPIO

The National Weather Service has issued a Flood Watch for Prince George's County starting this evening and through Sunday.  If you must drive be aware that any road could incur flash flooding.  We have also included flood safety tips for you to review with family, friends and co-workers.  Remember to Stay Informed by monitoring local media.  Stay Ready by having a Emergency Kit stocked and available and Stay Safe.

From the NWS:

Flood Watch

The National Weather Service in Sterling Virginia has issued a

* Flood Watch 
* From this evening through Sunday evening.

* A slow moving front will lead to multiple rounds of moderate/
  heavy rainfall from this evening through Sunday evening.
  Widespread rainfall amounts of 1 to 2 inches are likely, with
  localized amounts over 2.5 inches possible.

* Heavy rain may lead to flooding of streams and some rivers. 
High water may also develop in low-lying and poor drainage areas


A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should
be prepared to take action should flooding develop.
This type of rainfall could lead to Flash Floods.  Flash floods occur within a few minutes or hours of excessive rainfall or a dam failure. Flooding is a longer-term event and may last a week or more.

Most flash flooding is caused by (1) slow-moving thunderstorms, (2) thunder-storms repeatedly moving over the same area or (3) heavy rains from hurricanes and tropical storms.

Flash floods can roll boulders, tear out trees, and destroy buildings and bridges.

Densely populated areas have a high risk for flash floods. The construction of buildings, highways, driveways, and parking lots increases runoff by reducing the amount of rain absorbed by the ground.

Water can erode the roadbed creating unsafe driving conditions.

Many flash floods occur at night when flooded roads are hard to see.

2 feet of water will float your car, truck or SUV!!! 6 inches of fast-moving floodwater can knock you off your feet.

Nearly half of all flash flood fatalities are auto related. If your car stalls, leave it and seek higher ground, if you can do so safely.

Underpasses can fill rapidly with water, while the adjacent roadway remains clear. Driving into a flooded underpass can quickly put you in 5-6 feet of water.

Flood Safety Tips...

Never try to walk, swim, or drive through swift-moving floodwater. Remember, 2 feet of water will float your vehicle and 6 inches of fast moving floodwater can knock you off your feet. 

If you come upon floodwaters, STOP, TURN AROUND AND GO ANOTHER WAY!! 

Do not attempt to drive through a flooded road.