Gaithersburg, MD (20877)

11:53 PM EDT on July 30, 2016 (GMT -0400)
Muddy Branch Park | | Change Station

Elev 450 ft 39.12 °N, 77.21 °W | Updated 13 seconds ago

Overcast
Overcast
70.7 °F
Feels Like 70.7 °F
N
0.0
Wind Variable Wind from SW
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.03 in
Visibility 4.0 miles
Clouds Overcast 200 ft
Dew Point 70 °F
Humidity 98%
Rainfall 1.75 in
Snow Depth Not available.
6:07 AM 8:21 PM
Waning Crescent, 9% visible
METAR KGAI 310335Z AUTO 00000KT 4SM OVC002 21/19 A3003 RMK AO1
Pressure 30.03 in
Visibility 4.0 miles
Clouds Overcast 200 ft
Dew Point 70 °F
Humidity 98%
Rainfall 1.75 in
Snow Depth Not available.
6:07 AM 8:21 PM
Waning Crescent, 9% visible
METAR KGAI 310335Z AUTO 00000KT 4SM OVC002 21/19 A3003 RMK AO1

10-Day Weather Forecast

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Jul. 30, 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, Areal Flood Warning
Issued: 11:41 PM EDT Jul. 30, 2016 – National Weather Service

... This is a flash flood emergency for central Howard County...

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

At 1136 PM EDT... numerous reports of significant flash flooding have
been received in a wide swath from Baltimore City to Ellicott City
to Columbia. Major structural damage has been observed in Ellicott
City. Numerous roads are closed throughout the warned area.

The Patapsco River has crested and is falling rapidly. Jones Falls
and gwynns falls are near crest now but both still in flood. The
little Patuxent continues to rise... especially from Columbia
downstream... and interests along the little Patuxent should stay
away from the river. The Patuxent River well upstream of Brighton
dam is currently in flood.

This is a flash flood emergency for central Howard County. This is a
particularly dangerous situation. Seek higher ground now!

Some locations that will experience flooding include...
Baltimore... Columbia... Germantown... Rockville... Gaithersburg...
Olney... Pikesville... Cockeysville... Elkridge... Damascus... Glen
Burnie... Ellicott City... Dundalk... Towson... Catonsville... Woodlawn...
Randallstown... Montgomery Village... Parkville and Owings Mills.

Precautionary/preparedness actions...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

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


Lat... Lon 3948 7651 3921 7652 3910 7725 3935 7719


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1020 PM EDT Sat Jul 30 2016

The National Weather Service in Sterling Virginia has issued a

* Flood Warning for...
northeastern Prince Georges County in central Maryland...
southeastern Howard County in central Maryland...
eastern Montgomery County in central Maryland...
western Anne Arundel County in central Maryland...

* until 415 am EDT

* at 1019 PM EDT... Doppler radar indicated heavy rain fell upstream
earlier tonight. Flooding is already occurring upstream and will
move down the Patuxent and little Patuxent rivers overnight.
Interests near these rivers need to seek higher ground
immediately! Significant flooding is possible.

* Some locations that will experience flooding include...
Columbia... Bowie... Severn... Crofton... Elkridge... Odenton...
Laurel... Fairland... Fort Meade... Savage-Guilford... Scaggsville...
Cloverly... Glenn Dale... Burtonsville... Jessup... Savage... Fulton...
Spencerville... Montpelier and Prince Georges stadium.

Precautionary/preparedness actions...

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

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


Lat... Lon 3881 7666 3881 7672 3889 7673 3903 7683
      3914 7701 3918 7673 3893 7663


Je


1016 PM EDT Sat Jul 30 2016

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
northwestern Montgomery County in central Maryland...

* until 430 am EDT Sunday

* at 1016 PM EDT... local law enforcement officials reported flooding
ongoing in Clarksburg.

* Some locations that will experience flooding include...
Germantown... Damascus... Poolesville... North Potomac... Boyds...
Clarksburg... Darnestown... Barnesville... Dickerson... Dawsonville and
Beallsville.

Lat... Lon 3910 7741 3909 7746 3922 7745 3933 7720
      3911 7725


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