Central and Southeast Montgomery

Advisories Radar Cities

Areal Flood Warning

Expires 12:30 PM EDT on July 22, 2018
Statement as of 7:54 am EDT on July 22, 2018

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
the northwestern District of Columbia...
Montgomery County in central Maryland...

* until 215 PM EDT Sunday.

* At 753 am EDT, local law enforcement reported flooding continues
on several roads in Montgomery County. Levels on Rock Creek in the
District of Columbia are falling, but the stream is still
flooding, affecting parts of Rock Creek Park and Jewett street.

* Some locations that may experience flooding include...
Germantown, Rockville, Bethesda, Gaithersburg, Olney, Damascus,
Lowes Island, Poolesville, Rosslyn, Howard University, Aspen Hill,
Potomac, North Bethesda, Montgomery Village, North Potomac,
Fairland, White Oak, Redland and Takoma Park.

Precautionary/preparedness actions...

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.


Lat... Lon 3927 7714 3927 7711 3913 7696 3913 7689
      3897 7701 3887 7704 3892 7711 3897 7715
      3898 7724 3903 7726 3906 7733 3907 7744
      3916 7742 3928 7724 3930 7715


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754 am EDT sun Jul 22 2018

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
the northwestern District of Columbia...
Montgomery County in central Maryland...

* until 215 PM EDT Sunday.

* At 753 am EDT, local law enforcement reported flooding continues
on several roads in Montgomery County. Levels on Rock Creek in the
District of Columbia are falling, but the stream is still
flooding, affecting parts of Rock Creek Park and Jewett street.

* Some locations that may experience flooding include...
Germantown, Rockville, Bethesda, Gaithersburg, Olney, Damascus,
Lowes Island, Poolesville, Rosslyn, Howard University, Aspen Hill,
Potomac, North Bethesda, Montgomery Village, North Potomac,
Fairland, White Oak, Redland and Takoma Park.

Precautionary/preparedness actions...

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.


Lat... Lon 3927 7714 3927 7711 3913 7696 3913 7689
      3897 7701 3887 7704 3892 7711 3897 7715
      3898 7724 3903 7726 3906 7733 3907 7744
      3916 7742 3928 7724 3930 7715


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602 am EDT sun Jul 22 2018

The Flood Warning continues for
the Seneca Creek at Dawsonville.
* From late tomorrow afternoon until Tuesday afternoon.
* At 6 am Sunday the stage was 10.2 feet.
* Flood stage is 7.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent activity... the maximum river stage in the 24 hours ending at
6 am Sunday was 10.8 feet.
* Forecast... the river will continue to fall to below flood stage by
late Tuesday morning.
* Impact... at 11.0 feet... water from the creek enters the gage house.
Reports from this location may become sporadic. Multiple roads are
flooded, and water is also reaching the first floor of Old Black
Rock Mill.
* Flood history... this crest compares to a previous crest of 9.9 feet
on Jun 28 2015.



River flood observed 2pm 8pm 2am 8am crest
location stage stg day time sun sun Mon Mon stg day time

Seneca Creek
Dawsonville 7.5 10.2 sun 6 am 9.3 8.7 8.2 8.1

Lat... Lon 3914 7736 3914 7730 3912 7729 3909 7730
      3907 7731 3907 7736 3910 7736



600 am EDT sun Jul 22 2018

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
northwestern Montgomery County in central Maryland...
Frederick County in north central Maryland...
Loudoun County in northern Virginia...

* until 1230 PM EDT Sunday.

* At 558 am EDT, creeks and small streams remain elevated in a few
locations due to previous rainfall. A couple of roads remain
closed due to high water. Doppler radar estimated that between 3
and 6 inches of rain has fallen across the area.

* Some locations that may experience flooding include...
Frederick, Leesburg, South Riding, Damascus, Broadlands, Lansdowne,
Lowes Island, Brambleton, Poolesville, Harry Grove Stadium,
Ashburn, Sterling, ballenger creek, Countryside, Mount Airy,
Purcellville, Brunswick, Walkersville, Braddock Heights and
Middleburg.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.


Lat... Lon 3958 7720 3955 7717 3954 7717 3949 7711
      3936 7717 3934 7719 3930 7715 3928 7723
      3916 7741 3906 7733 3890 7759 3894 7764
      3898 7782 3932 7772 3932 7769 3937 7765
      3947 7762 3950 7762 3960 7727


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