Northwest Montgomery Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Warning
Issued: 6:48 AM EST Dec. 16, 2018 – National Weather Service

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
the northern District of Columbia...
southeastern Montgomery County in central Maryland...
northwestern Prince Georges County in central Maryland...

* until 1130 am EST.

* At 647 am EST, stream gauges and County officials indicate
flooding remains ongoing in the Flood Warning area in some low
lying areas and low lying roadways. Rock Creek in the district was
reporting minor flooding.

Precautionary/preparedness actions...

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


Lat... Lon 3924 7705 3921 7701 3917 7701 3914 7695
      3913 7696 3913 7689 3909 7683 3886 7700
      3898 7714


Cs


342 am EST sun Dec 16 2018

... Flood Warning extended until this evening...
the Flood Warning continues for
the Seneca Creek at Dawsonville.
* Until this evening.
* At 3 am Sunday the stage was 8.7 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
3 am Sunday was 9.0 feet.
* Forecast... the river will continue to fall to below flood stage by
late this afternoon.
* Impact... at 7.5 feet... portions of the Seneca Creek Greenway are
flooded. A small portion of Berryville Road west of Darnestown
begins to flood.
* Flood history... this crest compares to a previous crest of 8.9 feet
on Jul 29 2017.



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 8.7 sun 3 am 8.0 7.2 5.3 4.0

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




335 am EST sun Dec 16 2018

... Flood Warning extended until further notice...
the Flood Warning continues for
the Potomac River at Edwards Ferry.
* From early this evening until further notice.
* At 3 am Sunday the stage was 11.1 feet.
* Flood stage is 15.0 feet.
* Moderate flooding is forecast.
* Forecast... rise above flood stage by early this evening and crest
near 21.5 feet by early tomorrow evening.
* Impact... at 20.0 feet... the basements of the Edwards Ferry
lockhouse and rileys lockhouse are flooded. Backwater flooding may
affect homes on the Loudoun County side of the river near Broad Run
in Sterling.
* Flood history... this crest compares to a previous crest of 21.6 feet
on Sep 29 2018.



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

Potomac River
Edwards Ferry 15.0 11.1 sun 3 am 12.7 14.7 18.0 20.1 21.5 Mon 7 PM

Lat... Lon 3923 7744 3913 7745 3908 7730 3903 7736
      3905 7745 3911 7755 3920 7754




321 am EST sun Dec 16 2018

The National Weather Service in Sterling VA has issued a
* Flood Warning for
the Potomac River at Little Falls.
* From late tonight until Tuesday evening.
* At 3 am Sunday the stage was 6.7 feet and rising.
* Flood stage is 10.0 feet.
* Minor flooding is forecast.
* Forecast... rise above flood stage by overnight tonight and crest
near 11.9 feet by early tomorrow evening. The river will fall below
flood stage by mid Tuesday afternoon.
* Impact... at 12.0 feet... the c&o canal overflows at the Great Falls
tavern. Water covers the towpath in many areas.
* Flood history... this crest compares to a previous crest of 11.0 feet
on Sep 29 2018.



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

Potomac River
Little Falls 10.0 6.7 sun 3 am 7.6 8.2 9.3 10.8 11.9 Mon 6 PM

Lat... Lon 3908 7730 3904 7723 3902 7721 3895 7706
      3891 7712 3896 7724 3903 7736




Local Radar

Click to Enlarge

Nearby Radar Stations

Cities Affected