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Storm clouds forming, as seen in Rosslyn (staff photo by Jay Westcott)

Arlington County is now under a Severe Thunderstorm Watch.

Forecasters say strong storms are possible tonight (Thursday), with damaging winds and maybe even an isolated tornado.

The watch was issued at 3:30 p.m. and is in effect until midnight.

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Flowers along S. Joyce Street in Pentagon City flutter in the breeze as storm clouds move into the region in June 2021 (staff photo by Jay Westcott)

Update at 3:15 p.m. — A Flood Watch has also been issued, through 8 p.m.

“Training storms capable of producing 2 to 3 inches per hour may lead to an increased threat for flash flooding over the more urban areas along the I-95 corridor,” the National Weather Service says. “Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.”

Earlier: Arlington and the entire D.C. area are under a Severe Thunderstorm Watch this afternoon and evening.

The National Weather Service issued the watch just before 2 p.m. It will remain in effect until 9 p.m.

“Scattered severe thunderstorms capable of producing damaging winds and large hail will be possible this afternoon and evening,” the weather service said, noting that wind gusts up to 65 mph are likely.

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Radar as of 11:50 a.m.

Arlington is now under a Severe Thunderstorm Warning, with a line of strong storms approaching from the west.

That’s in addition to the earlier Tornado Watch and Flood Watch.

From the National Weather Service:

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
1147 AM EDT Fri May 27 2022

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning …

* Until 1230 PM EDT.

* At 1146 AM EDT, severe thunderstorms were located along a line extending from Lansdowne to near Chantilly to near Lake Ridge, moving northeast at 40 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.

* Locations impacted include… Arlington, Alexandria, Germantown, Centreville, Rockville, Bethesda, Gaithersburg, Reston, Annandale, Clinton, Olney, Springfield, College Park, South Riding, Fort Washington, Herndon, Greenbelt, Fairfax, Langley Park and Beltsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Tornado Watch remains in effect until 200 PM EDT for District of Columbia…central Maryland…and northern Virginia.

For your protection move to an interior room on the lowest floor of a building.

A Tornado Watch remains in effect until 200 PM EDT for District of Columbia…central Maryland…and northern Virginia.

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Storm clouds seen from the Air Force Memorial on Sept. 3, 2020 (Staff Photo by Jay Westcott)

Arlington and much of the D.C. area is under both a Tornado Watch and a Flood Watch today.

Strong storms with damaging wind, large hail and torrential downpours are possible today, forecasters say.

“A Tornado Watch is in effect for much of the area until 2pm this afternoon,” the National Weather Service says. “In addition to the threat for tornadoes, damaging wind gusts and large hail will also be possible.”

While the tornado risk will end mid-afternoon, forecasters suggest, the flood risk will run well into the evening, with the watch set to expire at 11 p.m.

More from NWS:

433 AM EDT Fri May 27 2022

…FLOOD WATCH REMAINS IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING…

* WHAT…Flash flooding caused by excessive rainfall continues to be possible. […]

* WHEN…From 11 AM EDT this morning through this evening.

* IMPACTS…Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS…
– Multiple rounds of showers and thunderstorms are likely starting this morning and continuing through this evening. Locations could receive 1 to 2 inches of rain in a short period of time. Localized rainfall totals of 1 to 3 inches are expected, though locations that experience multiple rounds of thunderstorms could exceed 3 inches.
– Please visit http://www.weather.gov/safety/flood for safety information.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Update at 6:05 p.m. — The number of outages in Arlington is now down to just 67, according to Dominion.

Earlier: More than 2,000 Dominion customers are still without power after two strong storms knocked down trees and power lines Sunday.

As of 9:45 a.m. the utility company reported 2,084 customers in the dark, down from 8,295 outages immediately following the second of yesterday’s storms.

The outages are scattered across the county but mostly in south Arlington. Among the largest of the remaining outages are in the Aurora Highlands and Columbia Forest neighborhoods.

Dominion’s power outage map currently lists the estimated restoration time as between 9 p.m. and 2 a.m. tonight.

The utility company has been struggling to restore power due to widespread damage from the storms. Currently Dominion is reporting  8,992 outages across Northern Virginia, including 2,832 in Fairfax County and 3,873 in Alexandria.

The downed trees and power lines are affecting bus service in Columbia Forest.

“Due to downed power lines, the ART Route 75 will not be servicing stops on S. Frederick Street until further notice,” Arlington Transit said in an alert earlier this morning. “Passengers can board on George Mason Drive.”

https://twitter.com/PeggyDomEnergy/status/1528746576927236096

The outages are also affecting library service in Aurora Highlands.

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Update at 10 a.m. — More than 2,000 Dominion customers are still without power in Arlington.

Update at 11 p.m. — The number of Dominion customers still in the dark is down modestly, to 7,378. A company spokeswoman said “the storms left a lot damage” and “crews will work thru the night as quickly & safely as possible.” More than 20,000 customers are without power throughout Northern Virginia.

Meanwhile, a transformer explosion was recently reported in the Barcroft neighborhood, likely complicating restoration efforts.

Update at 8:40 p.m. — There are 8,295 Dominion customers without power in Arlington, according to the utility company. Outages have been reported in the East Falls Church, Madison Manor, Columbia Forest, Claremont, Douglas Park, Green Valley, Long Branch Creek and Aurora Highlands neighborhoods, among others.

Update at 7:25 p.m. — A Flood Warning has been issued as well.

718 PM EDT Sun May 22 2022

…FLOOD WARNING IN EFFECT UNTIL 115 AM EDT MONDAY…

* WHAT…Flooding caused by excessive rainfall is expected.

* WHERE…Portions of DC, central Maryland and northern Virginia, including the following counties: District of Columbia. In central Maryland, Montgomery and Prince Georges. In northern Virginia, Arlington, City of Alexandria, City of Fairfax, City of Falls Church, and Fairfax.

* WHEN…Until 115 AM EDT.

* IMPACTS…Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS…

– At 716 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is expected to begin shortly in the warned area. Between 0.5 and 1 inch of rain has fallen.
– Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area.
– Some locations that will experience flooding include… Arlington… Alexandria… Bethesda… Reston… Annandale… Springfield… College Park… Fairfax… Langley Park… Beltsville… Vienna… Falls Church… Huntington… Coral Hills… Bladensburg… Mantua… Pimmit Hills… Mclean… Rosslyn… American Legion Bridge…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

Update at 7:10 p.m. — Get ready for round two. Arlington is under another Severe Thunderstorm Warning, this time until 8 p.m.

From the National Weather Service:

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
704 PM EDT Sun May 22 2022

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning…

* Until 800 PM EDT.

* At 703 PM EDT, severe thunderstorms were located along a line extending from near Damascus to 13 miles north of Mineral, moving east at 30 mph.

HAZARD…60 mph wind gusts.

SOURCE…Measured gust to 58 mph at Dulles Airport.

IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.

* Locations impacted include… Arlington, Alexandria, Stafford, Columbia, Germantown, Centreville, Dale City, Rockville, Bethesda, Gaithersburg, Reston, Leesburg, Annandale, Olney, Springfield, College Park, Fredericksburg, South Riding, Fort Washington and Herndon.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a building.

The earlier storm packed hail, strong winds and flooding downpours in parts of Arlington.

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Storm clouds over Rosslyn (staff photo by Jay Westcott)

Update at 4:15 p.m. — A Severe Thunderstorm Warning has now been issued for most of Arlington.

BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
407 PM EDT Mon May 16 2022

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning…

* Until 445 PM EDT.

* At 407 PM EDT, a severe thunderstorm was located over Bull Run, or 8 miles southwest of Centreville, moving east at 40 mph.

HAZARD…70 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.

* Locations impacted include… Arlington, Alexandria, Centreville, Waldorf, Dale City, Annandale, Clinton, Springfield, Fort Washington, Fairfax, Fort Hunt, Vienna, Groveton, Falls Church, Huntington, Coral Hills, Mantua, Fort Belvoir, Woodbridge and National Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a building.

Earlier: Arlington and surrounding areas are now under a Severe Thunderstorm Watch.

The watch is in effect until 9 p.m.

Severe storms are possible late this afternoon into the evening, forecasters say. The storms could pack damaging winds and hail.

More from social media:

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Update at 9:20 p.m. — There are Metro delays after a tornado might have touched down in the Tysons area.

Update at 9 p.m. — The Tornado Warning has been cancelled, according to NBC 4’s Doug Kammerer.

Update at 8:50 p.m. — Part of North Arlington is now under a Tornado Warning.

BULLETIN – EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
846 PM EDT Thu Mar 31 2022

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for… The northern District of Columbia… Southeastern Montgomery County in central Maryland… Northwestern Prince Georges County in central Maryland… North central Arlington County in northern Virginia… Northeastern Fairfax County in northern Virginia…

* Until 915 PM EDT.

* At 846 PM EDT, a severe thunderstorm capable of producing a tornado was located over Mclean, moving east at 30 mph.

HAZARD…Tornado.

SOURCE…Radar indicated rotation.

IMPACT…For those in the direct path of a tornado touchdown, flying debris will be dangerous to those caught without shelter. Damage to roofs, siding, and windows may occur. Mobile homes may be damaged or destroyed. Tree damage is likely.

* This dangerous storm will be near… Arlington around 855 PM EDT. Bethesda, Martin`s Additions, American University, Friendship Village and Georgetown around 900 PM EDT. Fort Totten and Chevy Chase around 905 PM EDT. Langley Park, Takoma Park and Hillandale around 910 PM EDT. Hyattsville and Adelphi around 915 PM EDT.

Other locations impacted by this tornadic thunderstorm include Rivercrest, Little Falls, Brentwood, West Mclean, Chevy Chase Village, Catholic University, Langley, North Brentwood, Chillum and National Zoo.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

Earlier: Part of Arlington is now under a Severe Thunderstorm Warning.

A Tornado Warning has also been issued for parts of Fairfax County, including neighboring McLean.

More from the National Weather Service:

818 PM EDT Thu Mar 31 2022

The National Weather Service in Sterling Virginia has issued a

* Severe Thunderstorm Warning…

* Until 900 PM EDT.

* At 818 PM EDT, a severe thunderstorm was located over Centreville, moving east at 50 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.

* Locations impacted include… Arlington, Centreville, Bethesda, Reston, Annandale, College Park, Greenbelt, Fairfax, Langley Park, Beltsville, Vienna, Falls Church, Largo, Coral Hills, Bladensburg, Mantua, Pimmit Hills, Mclean, Fedex Field and American Legion Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a building.

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High winds in Courthouse (staff photo by Jay Westcott)

Enjoy today’s potentially record-breaking warmth while it lasts — by midnight it will be gone with the wind (and storms).

A Wind Advisory has been issued for the D.C. area today and will take effect at 11 a.m. Forecasters say gusts of up to 50 mph are possible this afternoon and evening.

More from the National Weather Service:

…WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 1 AM EST TUESDAY…

* WHAT…Southwest winds 15 to 25 mph with gusts up to 50 mph expected shifting to northwest this evening.

* WHERE…Portions of The District of Columbia, central, north central, northeast, northern and southern Maryland and central, northern and northwest Virginia.

* WHEN…From 11 AM this morning to 1 AM EST Tuesday.

* IMPACTS…Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Residents are advised to secure outdoor objects, to be careful when driving, and to prepare for possible power outages.

In addition to the wind, thunderstorms are possible today starting around 4 or 5 p.m. The storms could be severe.

On the back end of the storms, expect falling temperatures and a couple hours of rain.

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Snow in Westover on Jan. 3, 2022 (staff photo by Jay Westcott)

Arlington — and much of the D.C. region — is now officially under a Winter Storm Watch.

The watch was issued just before 3 p.m. Forecasters are calling for up to 5 inches of accumulating snow, but 1-3 inches is most likely, according to the National Weather Service.

Gusty winds will accompany the storm and, paired with the snowfall, could fell tree branches and cause another bout of power outages.

From NWS:

URGENT – WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
251 PM EST Fri Jan 14 2022

…WINTER STORM WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING…

* WHAT…Significant snow and wintry precipitation possible. Total snow accumulations of 1 to 3 inches are most likely, with up to 5 inches possible. Ice accumulations of up to one tenth of an inch are possible. Winds could gust as high as 45 mph.

* WHERE…The District of Columbia, portions of central and northern Maryland, and central and northern Virginia.

* WHEN…From Sunday afternoon through Monday morning.

* IMPACTS…Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute.

* ADDITIONAL DETAILS…Snow may fall at 1 to 3 inches per hour late Sunday afternoon and early Sunday evening, resulting in nearly impassable roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Monitor the latest forecasts for updates on this situation.

Ahead of the storm, which is expected to have more severe impacts west of the D.C. area, Virginia Gov. Ralph Northam today declared a state of emergency.

“We expect this storm to have a significant impact in many parts of Virginia,” Northam said in a statement. “Declaring a state of emergency now allows our emergency responders to prepare, and to move supplies and equipment where they expect to need them the most. This also gives Governor-elect Youngkin the ability to respond to any storm needs swiftly. I urge Virginians to take this storm seriously and make preparations now.”

Arlington County and VDOT crews, meanwhile, have been pre-treating roads in advance of the winter weather, which is expected to start as snow Saturday afternoon before transitioning to sleet, freezing rain and then plain rain.

https://twitter.com/VaDOTNOVA/status/1482081483644973059

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A snow removal truck on Washington Blvd in Clarendon (staff photo by Jay Westcott)

If you didn’t already know, the brine lines on the roadways have told you by now: Arlington will likely see snow this weekend.

Residents have been regularly checking the forecast for days in anticipation of what is likely to be more winter weather. At this point, the forecast suggests we’ll see a few inches of snow starting Sunday afternoon, before a changeover to sleet, freezing rain and then plain rain.

“This will create very hazardous driving conditions for a time Sunday as roads will be frozen from cold air ahead of the storm,” according to the Washington Post’s Capital Weather Gang.

Arlington started putting down brine yesterday (Thursday) afternoon and the county’s Department of Environmental Services recommends residents continue to check forecasts, look for updates on its social media and avoid travel during and in the hours after a storm. Residents can check in on road conditions through the county’s traffic cams and snow plow map.

The county will treat roadways and trails as snow begins to fall but won’t start to plow until there are at least 2 inches of snow. Crews will clear snow from all streets and county trails, with primary and secondary routes tackled first and neighborhood streets last.

“We should know more Friday in terms of whether the precipitation turns to rain with above-freezing temperatures into Monday,” DES spokesman Peter Golkin said. “The fact that Monday is a holiday will help with any large storm response because of less traffic. Crews need space and time clearing snow and ice.”

The Virginia Department of Transportation started putting brine down on state roadways after this morning’s commute.

https://twitter.com/VaDOTNOVA/status/1481699122587578373

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