Washington Grove, MD (20880)

8:40 AM EDT on July 29, 2017 (GMT -0400)
Saybrooke | | Change Station
Active Advisory: Flood Warning, Flash Flood Watch Active Notice: Flash Flood Watch

Elev 489 ft 39.15 °N, 77.18 °W | Updated 6 seconds ago

Mostly Cloudy
Mostly Cloudy
68.8 °F
Feels Like 68.8 °F
N
1.0
Wind Variable Wind from North

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.83 in
Visibility 10.0 miles
Clouds Mostly Cloudy 2200 ft
Dew Point 64 °F
Humidity 85%
Rainfall Not available.
Snow Depth Not available.
6:06 AM 8:23 PM
Waxing Crescent, 39% visible
METAR KGAI 291156Z AUTO VRB03KT 10SM BKN022 20/18 A2976 RMK AO2 SLP101 6//// 7//// T02000178 10200 20189 53018
Pressure 29.83 in
Visibility 10.0 miles
Clouds Mostly Cloudy 2200 ft
Dew Point 64 °F
Humidity 85%
Rainfall Not available.
Snow Depth Not available.
6:06 AM 8:23 PM
Waxing Crescent, 39% visible
METAR KGAI 291156Z AUTO VRB03KT 10SM BKN022 20/18 A2976 RMK AO2 SLP101 6//// 7//// T02000178 10200 20189 53018

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10-Day Weather Forecast

Almanac

Astronomy

Jul. 29, 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

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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

Flood Warning
Issued: 5:22 AM EDT Jul. 29, 2017 – National Weather Service

... Flood Warning extended until late tonight...
the Flood Warning continues for
the Seneca Creek at Dawsonville.
* Until late tonight.
* At 5 am Saturday the stage was 8.3 feet.
* Flood stage is 7.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent activity... the maximum river stage in the 24 hours ending at
5 am Saturday was 8.9 feet.
* Forecast... the river will continue rising to near 9.2 feet by this
morning. The river will fall below flood stage late this evening.
* 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 8.8 feet
on Jul 31 2016.



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

Seneca Creek
Dawsonville 7.5 8.3 Sat 5 am 8.6 8.0 6.2 4.3 9.2 Sat 8 am

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




Flash Flood Watch
Issued: 9:36 PM EDT Jul. 28, 2017 – National Weather Service

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

The Flash Flood Watch continues 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 move across Virginia overnight and move slowly
off the coast through Saturday. Additional rainfall amounts of 1
to 3 inches are expected through Saturday afternoon. Locally
higher amounts are likely especially across far northern
Virginia and north central and central Maryland.

* 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.

Precautionary/preparedness actions... 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.