Ashburn, VA (20146)

1:04 AM EDT on May 21, 2018 (GMT -0400)
Chudy Weather 1 | | Change Station
Active Advisory: Flood Warning

Elev 278 ft 39.03 °N, 77.50 °W | Updated 4 seconds ago

Clear
Clear
71.4 °F
Feels Like 70 °F
N
0.0
Wind Variable Wind from SSE
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.10 in
Visibility 10.0 miles
Clouds Clear
Heat Index 70 °F
Dew Point 67 °F
Humidity 85%
Rainfall 0.00 in
Snow Depth Not available.
5:52 AM 8:21 PM
Waxing Crescent, 39% visible
METAR KJYO 210455Z AUTO 00000KT 10SM CLR 21/18 A3010 RMK AO2
Pressure 30.10 in
Visibility 10.0 miles
Clouds Clear
Heat Index 70 °F
Dew Point 67 °F
Humidity 85%
Rainfall 0.00 in
Snow Depth Not available.
5:52 AM 8:21 PM
Waxing Crescent, 39% visible
METAR KJYO 210455Z AUTO 00000KT 10SM CLR 21/18 A3010 RMK AO2

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10-Day Weather Forecast

Almanac

Astronomy

May. 21, 2018 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

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

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: 10:00 PM EDT May. 20, 2018 – National Weather Service

... Flood Warning extended until Monday evening...
the Flood Warning continues for
the Potomac River at Edwards Ferry.
* Until Monday evening.
* At 9 PM Sunday the stage was 17.5 feet and falling.
* Flood stage is 15.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent activity... the maximum river stage in the 24 hours ending at
9 PM Sunday was 17.6 feet.
* Forecast... the river will continue to fall to below flood stage by
mid-afternoon tomorrow.
* Impact... at 17.0 feet... floodwaters begin to enter the store at
Whites Ferry.
* Flood history... this crest compares to a previous crest of 17.6 feet
on Feb 5 2016.


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

Potomac River
Edwards Ferry 15.0 17.5 sun 9 PM 17.0 16.2 15.2 14.1

Lat... Lon 3923 7744 3913 7745 3908 7730 3903 7736
      3905 7745 3911 7755 3920 7754




1000 PM EDT sun may 20 2018

... Flood Warning extended until Monday morning...
the Flood Warning continues for
the Potomac River at Point of Rocks.
* Until Monday morning.
* At 9 PM Sunday the stage was 16.9 feet and falling.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent activity... the maximum river stage in the 24 hours ending at
9 PM Sunday was 17.2 feet.
* Forecast... the river will continue to fall to below flood stage by
late tonight.
* Impact... at 17.0 feet... water enters the Comfort station at the
Brunswick boat ramp parking area.


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

Potomac River
Point of Rock 16.0 16.9 sun 9 PM 16.0 15.1 13.8 12.8

Lat... Lon 3936 7766 3934 7757 3926 7747 3923 7744
      3920 7754 3927 7760 3930 7770