Central and Southeast Montgomery Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flood Warning
Issued: 7:05 PM EDT May. 20, 2018 – National Weather Service

The Flood Warning continues for
the Potomac River at Edwards Ferry.
* Until Monday evening.
* At 7 PM Sunday the stage was 17.6 feet and falling.
* Flood stage is 15.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent activity... the maximum river stage in the 24 hours ending at
7 PM Sunday was 17.8 feet.
* Impact... at 17.0 feet... floodwaters begin to enter the store at
Whites Ferry.
* Flood history... this crest compares to a previous crest of 17.6 feet
on Feb 5 2016.



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 17.6 sun 7 PM 17.7 17.2 16.4

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




705 PM EDT sun may 20 2018

The Flood Warning continues for
the Potomac River at Little Falls.
* Until late tonight.
* At 7 PM Sunday the stage was 9.8 feet.
* Flood stage is 10.0 feet.
* Minor flooding is forecast.
* Forecast... the river will crest near 10.0 feet this evening.
* Impact... at 10.0 feet... water begins to overflow the banks into low
lying areas on the Maryland side of the river near Little Falls.
* Flood history... this crest compares to a previous crest of 10.3 feet
on Oct 31 2012.



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 9.8 sun 7 PM 10.0 9.8 9.5 10.0 sun 8 PM

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




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