Gaithersburg, MD (20877)

3:39 AM EDT on July 31, 2016 (GMT -0400)
Muddy Branch Park | | Change Station
Active Advisory: Flash Flood Warning

Elev 450 ft 39.12 °N, 77.21 °W | Updated 30 seconds ago

Overcast
Overcast
70.5 °F
Feels Like 70.5 °F
N
0.0
Wind Variable Wind from SSW
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.00 in
Visibility 10.0 miles
Clouds Overcast 1400 ft
Dew Point 70 °F
Humidity 99%
Rainfall 0.00 in
Snow Depth Not available.
6:08 AM 8:20 PM
Waning Crescent, 8% visible
METAR KGAI 310735Z AUTO 00000KT 10SM OVC014 21/20 A3000 RMK AO1
Pressure 30.00 in
Visibility 10.0 miles
Clouds Overcast 1400 ft
Dew Point 70 °F
Humidity 99%
Rainfall 0.00 in
Snow Depth Not available.
6:08 AM 8:20 PM
Waning Crescent, 8% visible
METAR KGAI 310735Z AUTO 00000KT 10SM OVC014 21/20 A3000 RMK AO1

10-Day Weather Forecast

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Jul. 31, 2016 Rise Set
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Minimum magnitude displayed is 2.5.

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Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Flash Flood Warning
Issued: 2:31 AM EDT Jul. 31, 2016 – National Weather Service

... The Flash Flood Warning remains in effect until 415 am EDT for
southwestern Baltimore... Howard... northeastern Montgomery and north
central Anne Arundel counties and southwestern Baltimore City...

At 228 am EDT... flooding continued on the little Patuxent
River... the gwynns falls... and lower Patapsco River. Flooding was
about to begin on the hawlings river. The most significant flooding
remaining is on the little Patuxent... where the river is still
rising from Columbia to Anne Arundel County. Several roads are
reported closed... including US 29 near Columbia town center.

Some locations that will experience flooding include...
Baltimore... Columbia... Olney... Pikesville... Elkridge... Ellicott
City... Towson... Catonsville... Woodlawn... Randallstown... Milford
mill... Lochearn... Arbutus... Redland... Brooklyn Park... Pumphrey...
Savage-Guilford... Scaggsville... Ilchester and Linthicum.

Precautionary/preparedness actions...

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

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


Lat... Lon 3923 7653 3916 7686 3913 7714 3929 7717
      3931 7697 3930 7675 3938 7680 3938 7679
      3939 7663


Mjm


1259 am EDT sun Jul 31 2016

The National Weather Service in Sterling VA has issued a
* Flood Warning for
the Seneca Creek at Dawsonville.
* Until later this morning.
* At 1 am Sunday the stage was 6.4 feet and rising.
* Flood stage is 7.5 feet.
* Minor flooding is forecast.
* Forecast... rise above flood stage soon and crest near 7.6 feet
overnight. The river will fall below flood stage by Sunday morning.
* 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 7.6 feet
on Feb 4 2016.


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

Seneca Creek
Dawsonville 7.5 6.4 sun 1 am 7.6 6.1 4.0 3.0

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


Je