Frederick Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Warning
Issued: 1:35 AM EDT Mar. 22, 2019 – National Weather Service

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
western Carroll County in north central Maryland...
Montgomery County in central Maryland...
eastern Frederick County in north central Maryland...

* until 600 am EDT.

* At 132 am EDT, stream gauges indicated flooding was still
occurring across the warned area. Gauges along Rock Creek are
indicating stream levels beginning to fall but remain above flood
stage. Gauges along the Monocacy River are still showing rises,
especially near the Bridgeport area in Carroll and Frederick
counties. Flooding may still be occurring elsewhere.

* Some locations that may experience flooding include...
Germantown, Rockville, Bethesda, Gaithersburg, Olney, Damascus,
Lansdowne, Lowes Island, Poolesville, Aspen Hill, Potomac, North
Bethesda, Montgomery Village, North Potomac, Redland, Great Falls,
Countryside, Chevy Chase, North Kensington and Mount Airy.

Precautionary/preparedness actions...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.


Lat... Lon 3972 7704 3936 7713 3934 7719 3927 7714
      3923 7707 3913 7707 3900 7704 3893 7712
      3897 7715 3898 7724 3902 7725 3905 7730
      3907 7746 3915 7753 3929 7737 3959 7724
      3961 7732 3972 7727


Mm


1128 PM EDT Thu Mar 21 2019

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
Washington County in north central Maryland...
Frederick County in north central Maryland...
northern Loudoun County in northern Virginia...
Jefferson County in the Panhandle of West Virginia...
eastern Berkeley County in the Panhandle of West Virginia...

* until 400 am EDT.

* At 1125 PM EDT, stream gauges indicate flooding was still
occurring across the warned area, including along the catoctin
creek in northern Loudoun County. At 1015 PM, the stream gauge on
the catoctin creek at Waterford reported a stage of 9.0 feet and
still rising. At 9 feet, portions of Route 662 begin to flood, and
at 10 feet, water approaches a building on Main Street in
Waterford.

* Some locations that may experience flooding include...
Frederick, Hagerstown, Thurmont, Charles Town, Emmitsburg,
Shepherdstown, Municipal Stadium, Harry Grove Stadium, ballenger
creek, Robinwood, Brunswick, Walkersville, Fountainhead-Orchard
Hills, Ranson, Boonsboro, Smithsburg, Braddock Heights,
Paramount-Long Meadow, Wilson-Conococheague and Williamsport.

Precautionary/preparedness actions...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate Route.

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.


Lat... Lon 3963 7727 3964 7731 3961 7730 3959 7724
      3950 7726 3928 7736 3922 7745 3915 7753
      3918 7780 3913 7783 3927 7804 3972 7781
      3972 7722


Mm


1012 PM EDT Thu Mar 21 2019

The National Weather Service in Sterling Virginia has issued a
* river Flood Warning for
the Monocacy River near Frederick.
* From Friday morning until late Friday night.
* At 9 PM Thursday the stage was 9.9 feet and rising.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast... rise above flood stage by late tomorrow morning and
crest near 15.8 feet by mid-afternoon tomorrow. The river will fall
below flood stage by early tomorrow evening.
* Impact... at 16.0 feet, much of Pinecliff park and Rivermist park
in Frederick are flooded. Buckeystown Community Park is also
flooded with water approaching the parking lot. Waters are also
approaching the Frederick city wastewater treatment plant and the
ballenger creek wastewater treatment plant. Significant backwater
flooding is occurring. Several roads will be closed along the river
and adjoining creeks.
* Flood history... this crest compares to a previous crest of 15.7 feet
on Aug 4 2018.


River flood observed 1am 7am 1pm 7pm crest
location stage stg day time Fri Fri Fri Fri stg day time

Monocacy River
Frederick 15.0 9.9 Thu 9 PM 11.9 14.5 15.8 15.3 15.8 Fri 2 PM

Lat... Lon 3958 7738 3955 7731 3940 7735 3924 7741
      3922 7745 3926 7748 3951 7742


Dhof



1012 PM EDT Thu Mar 21 2019

The National Weather Service in Sterling Virginia has issued a
* river Flood Warning for
the Monocacy River near Frederick.
* From Friday morning until late Friday night.
* At 9 PM Thursday the stage was 9.9 feet and rising.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast... rise above flood stage by late tomorrow morning and
crest near 15.8 feet by mid-afternoon tomorrow. The river will fall
below flood stage by early tomorrow evening.
* Impact... at 16.0 feet, much of Pinecliff park and Rivermist park
in Frederick are flooded. Buckeystown Community Park is also
flooded with water approaching the parking lot. Waters are also
approaching the Frederick city wastewater treatment plant and the
ballenger creek wastewater treatment plant. Significant backwater
flooding is occurring. Several roads will be closed along the river
and adjoining creeks.
* Flood history... this crest compares to a previous crest of 15.7 feet
on Aug 4 2018.


River flood observed 1am 7am 1pm 7pm crest
location stage stg day time Fri Fri Fri Fri stg day time

Monocacy River
Frederick 15.0 9.9 Thu 9 PM 11.9 14.5 15.8 15.3 15.8 Fri 2 PM

Lat... Lon 3958 7738 3955 7731 3940 7735 3924 7741
      3922 7745 3926 7748 3951 7742


Dhof


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