Arlington, VA (22201)

11:41 AM EDT on July 28, 2017 (GMT -0400)
Lyon Park | | Change Station
Active Advisory: Flash Flood Warning, Flash Flood Watch Active Notice: Flash Flood Watch

Elev 282 ft 38.88 °N, 77.10 °W | Updated 8 seconds ago

Rain
Rain
75.7 °F
Feels Like 74 °F
N
0.2
Wind Variable Wind from WNW
Gusts 2.5 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.81 in
Visibility 4.0 miles
Clouds Scattered Clouds 1600 ft
Mostly Cloudy 4900 ft
Overcast 8500 ft
Heat Index 74 °F
Dew Point 75 °F
Humidity 97%
Rainfall 0.07 in
Snow Depth Not available.
6:06 AM 8:23 PM
Waxing Crescent, 31% visible
SPECI KDCA 281534Z 23003KT 4SM R01/6000FT -RA BR SCT016 BKN049 OVC085 27/24 A2981 RMK AO2 P0005 T02670244
Pressure 29.81 in
Visibility 4.0 miles
Clouds Scattered Clouds 1600 ft
Mostly Cloudy 4900 ft
Overcast 8500 ft
Heat Index 74 °F
Dew Point 75 °F
Humidity 97%
Rainfall 0.07 in
Snow Depth Not available.
6:06 AM 8:23 PM
Waxing Crescent, 31% visible
SPECI KDCA 281534Z 23003KT 4SM R01/6000FT -RA BR SCT016 BKN049 OVC085 27/24 A2981 RMK AO2 P0005 T02670244

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10-Day Weather Forecast

Almanac

Astronomy

Jul. 28, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

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Category 6

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Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

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

Watches & Warnings

Flash Flood Warning
Issued: 11:23 AM EDT Jul. 28, 2017 – National Weather Service

... The Flash Flood Warning remains in effect until 230 PM EDT for
southern Arlington... and central Fairfax counties... the eastern city
of Fairfax... the city of Falls Church and the city of Alexandria...

At 1122 am EDT, Doppler radar and automated rain gauges indicated
that heavy rain has been falling over the area. Locations south of
Merrifield and near Wolf Trap have received around two and a half
inches of rain so far. Another inch of rain is possible, especially
near Falls Church. Flash flooding is expected to begin shortly, if
it has not already.

Some locations that will experience flooding include...
Arlington, Alexandria, Annandale, Springfield, Fairfax, Vienna, Falls
Church, Huntington, Mantua, Pimmit Hills, McLean, Potomac, Oakton,
Lincolnia, Tysons Corner, Franconia, Wolf Trap, Great Falls,
Merrifield and Lake Barcroft.

This includes flood prone locations
South Troy street near Long Branch...
west street near Braddock Road...
Holmes run below Lake Barcroft...
Woodburn Road at Accotink creek...
Beulah Road at Browns Mill Road at wolftrap creek...
and Pickett Rd at Accotink creek near old Pickett Rd.

Precautionary/preparedness actions...

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


Lat... Lon 3899 7724 3898 7723 3894 7715 3891 7715
      3887 7711 3884 7704 3879 7704 3879 7713
      3882 7729 3897 7731 3899 7725


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Flash Flood Watch
Issued: 10:51 AM EDT Jul. 28, 2017 – National Weather Service

... Flash Flood Watch now in effect through Saturday afternoon...

The Flash Flood Watch is now in effect for

* portions of Maryland, the District of Columbia, Virginia, and
West Virginia, including the following areas, in Maryland,
Anne Arundel, Calvert, Carroll, central and eastern Allegany,
central and southeast Howard, central and southeast
Montgomery, Charles, extreme western Allegany, Frederick MD,
northern Baltimore, northwest Harford, northwest Howard,
northwest Montgomery, Prince Georges, southeast Harford,
southern Baltimore, St. Marys, and Washington. The District of
Columbia. In Virginia, Arlington/Falls Church/Alexandria,
Clarke, Culpeper, eastern Loudoun, Fairfax, Frederick VA,
Greene, King George, Madison, northern Fauquier, northern
Virginia Blue Ridge, Orange, Page, Prince
William/Manassas/Manassas Park, Rappahannock, Shenandoah,
southern Fauquier, Spotsylvania, Stafford, Warren, and western
Loudoun. In West Virginia, Berkeley, eastern Grant, eastern
Mineral, Hampshire, Hardy, Jefferson, Morgan, western Grant,
and western Mineral.

* Through Saturday afternoon

* low pressure will develop over the mid Atlantic today and move
slowly off the coast through Saturday. This system will have
the potential to bring 3 inches or more of rain to the region
through Saturday afternoon. Thunderstorms could cause locally
higher rainfall amounts.

* Heavy rainfall may result in rapid rises in streams and
creeks. This could quickly result in flooding... especially in
low lying and poor drainage areas.

Precautionaryactions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.