(Updated at 3:40 p.m.) The National Weather Service has issued a Severe Thunderstorm Warning for Arlington and the rest of the metro area until 4:30 p.m. This is the same system that has prompted tornado warnings in nearby counties. From NWS:

.DAY ONE…TODAY AND TONIGHT

* SEVERE THUNDERSTORM WARNING FOR…
THE DIS
MONTGOMERY COUNTY IN CENTRAL MARYLAND…
CITY OF FAIRFAX IN NORTHERN VIRGINIA…
CITY OF FALLS CHURCH IN NORTHERN VIRGINIA…
ARLINGTON COUNTY IN NORTHERN VIRGINIA…
CITY OF ALEXANDRIA IN NORTHERN VIRGINIA…
WESTERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND…
SOUTHERN HOWARD COUNTY IN CENTRAL MARYLAND…
EASTERN LOUDOUN COUNTY IN NORTHERN VIRGINIA…
NORTHERN FAIRFAX COUNTY IN NORTHERN VIRGINIA…

* UNTIL 430 PM EDT

* AT 323 PM EDT…SEVERE THUNDERSTORMS WERE DETECTED ALONG A LINE
EXTENDING FROM 5 MILES NORTHWEST OF POOLESVILLE TO SOUTH RIDING…
AND WERE MOVING EAST AT 50 MPH. THIS LINE OF STORMS IS CAPABLE OF
PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

* LOCATIONS IMPACTED INCLUDE…
ROCKVILLE…
THE DISTRICT OF COLUMBIA…
RESTON…
HERNDON…
GERMANTOWN…
MONTGOMERY VILLAGE…
NORTH POTOMAC…
GAITHERSBURG…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS LINE OF STORMS. IF YOU ARE IN ITS PATH…MOVE
INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS
SAFE TO DO SO…REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO
THE NATIONAL WEATHER SERVICE.

THIS LINE OF STORMS HAS A HISTORY OF PRODUCING WIDESPREAD WIND
DAMAGE. SEEK SHELTER INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

Many events and activities have been cancelled for this afternoon and evening in light of the storms, including those listed below:

  • Arlington Public Schools after school activities and late buses
  • Rosslyn Farmers Market and Lunchtime Concert
  • Pentagon Row’s “Rock at the Row” concert
  • Shirlington’s “Shirlala Music Festival”

Update at 9:35 a.m. — Departing flights are experiencing a “gate hold” at DCA. Delays of at least 30 minutes should be expected, and could get worse throughout the day.

Update at 8:55 a.m. — There is a ground stop for flights arriving at Reagan National Airport due to the weather. Check with your airline for the status on any outgoing flights.

The National Weather Service has put Arlington and the rest of the metro area under a Severe Thunderstorm Watch until 11:00 a.m. That’s in addition to the Flash Flood watch that went into effect at midnight and will last until 8:00 p.m.

NWS notes several rounds of strong storms could soak the area. That could create trouble due to the level of ground saturation from the heavy rains that caused flooding earlier this week. From NWS:

* SHOWERS AND THUNDERSTORMS WILL LIKELY MOVE ACROSS THE REGION
THIS MORNING AND PRODUCE HEAVY DOWNPOURS. RAINFALL AMOUNTS IN
EXCESS OF 1 INCH ARE POSSIBLE. ANOTHER ROUND OF STORMS MAY BRING
HEAVY RAIN THIS AFTERNOON AND EVENING WITH AN ADDITIONAL 1 TO 2
INCHES POSSIBLE.

* WITH THE GROUND ALREADY SATURATED FROM HEAVY RAINFALL DURING
THE PAST WEEK…ONLY AN INCH OF RAINFALL IN AN HOUR COULD
PRODUCE FLASH FLOODING OF STREAMS AND LOW LYING AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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.

Although the storms have the potential to bring damaging winds and the word “derecho” is being thrown around, the Capital Weather Gang doesn’t expect it to be as strong as the derecho that struck last year.

The Office of Personnel Management has kept all federal offices open, but employees have the option of unscheduled leave or unscheduled telework.


(Updated at 11:05 p.m.) All lanes of Route 110 have reopened after being closed for more than an hour due to high standing water near the Memorial Bridge underpass.

Four vehicles were reported to be stranded as a result of the high water, which was as deep as two feet. Six people were rescued from their vehicles by firefighters, who managed to drive their fire engine up to the stranded vehicles. All occupants are safe and accounted for.

One of the stranded drivers, Alexandria resident Jessica Cruz, says she and her family were driving down Route 110 toward the Pentagon when they came upon the flooded roadway. She said they tried to get around the flooding, but water ended up getting into the interior of the compact sedan. The water also got into the engine compartment, rendering the car inoperable.

“We went down the so-called shallow part, which wasn’t so shallow once we hit the middle,” she told ARLnow.com. “It didn’t make it any easier with the vehicles behind us pushing water into the car.”

With two-year-old son Jonathan in a car seat and her husband and mother-in-law also in the car, Jessica waited for firefighters to arrive. Once they pulled up, her husband escaped through a window and the rest of the family was able to get out by opening a car door, with firefighter assistance.

“We were just hoping to get out okay,” Jessica said. She said she also saw a young couple being rescued from a stranded pickup truck.

One man in a Jaguar coupe, who didn’t need to be rescued, said the water got up to his doors at one point. The car ended up being towed. A man in a BMW that was initially stranded was able, with some effort, to get his car started and drive away.

Other areas of high water due to tonight’s storms were reported at the intersection of Washington Blvd and N. Fillmore Street, and on Route 50 near Courthouse. Southbound lanes of George Mason Drive were closed at Washington Blvd earlier due to a downed tree.


Standing water on S. Joyce Street on June 10, 2013Update at 3:00 p.m. — A Flash Flood Warning has been issued for Arlington, D.C., Alexandria and Fairfax County. The National Weather Service says very heavy rain has produced the imminent risk of flash flooding around streams and low-lying areas.

A Tornado Watch has been issued for Arlington and the surrounding region.

The National Weather Service says weather conditions are conducive to the formation of tornadoes.  The watch is in effect until 10:00 p.m.

From an earlier weather advisory:

A FLASH FLOOD WATCH IS IN EFFECT FOR THE OUTLOOK AREA UNTIL MIDNIGHT. EPISODES OF HEAVY RAINFALL WILL LEAD TO FLASH FLOODING IN SOME AREAS…PARTICULARLY THIS AFTERNOON AND EVENING.

IN ADDITION…SOME THUNDERSTORMS MAY BECOME SEVERE DURING THE AFTERNOON AND EARLY EVENING. THE PRIMARY THREAT WILL BE DAMAGING WIND GUSTS…HOWEVER A FEW TORNADOES ARE POSSIBLE.


Rainy Reflections (photo by Katie Pyzyk)Arlington has been feeling the impacts of Tropical Storm Andrea today.

The storm has been dumping rain on the region all day, and even heavier rains and stronger wind gusts are expected during the evening commute.

Tonight’s outdoor showing of “Risky Business” in Rosslyn has been cancelled due to the weather. Meanwhile, the soaking rains and wind might be responsible for knocking down power lines along N. Pershing Drive in the Ashton Heights area. Pershing is currently closed between Lincoln and Monroe Streets while police and firefighters wait for Dominion Power crews to repair the lines.

AAA Mid-Atlantic is warning drivers to be careful on the roads tonight, especially during periods of heavier rain.

“Tropical Storm Andrea passes through the Washington Metro area today and will continue north along the I-95 corridor,” the organization said in a press release. “Motorists will face hazardous driving conditions during the evening commute due to heavy winds, torrential rains, and flooding… The auto club is advising motorists to exercise caution if they must take to the roads during the squally driving conditions.”

AAA issued the following list of wet weather driving tips.

  • Slow down and increase following distances. Speed limits are set for ideal road conditions. When it rains, visibility is reduced and braking distances increase. On dry pavement, a safe following distance permits two to three seconds for stopping; that should be increased to eight seconds on slippery roads. Train your eyes farther down the road than normal, so you can anticipate changes and adjust your course gradually.
  • Do not attempt to drive through standing water. Try to avoid bridges and roads that are known to flood. Cross them only if there is little standing or streaming water. When driving on pothole-filled roads, hold the steering wheel firmly to avoid losing control. Just a few inches of water can turn your vehicle into a boat, and could put your life, and the lives of those around you, at great risk. Turn around; find another way to get to your destination.
  • Watch out for hydroplaning. No car is immune from hydroplaning on wet surfaces, including four-wheel drive vehicles. Just because brakes work under normal conditions doesn’t mean they will react the same on slippery roads where tires roll with far less traction.
  • Alert drivers behind you that you’re slowing with your brake lights. Without anti-lock brakes, squeeze the brakes until they are about to lock up and then release. With anti-lock brakes, use the same move – but don’t pump the brakes, which would work against the operation of the ABS system. Slow down as you approach a pothole. However, do not brake when your vehicle is directly over a pothole.
  • Use the central lanes. When driving during heavy rain, use center lanes of the road (without straddling the yellow line). Avoid outside lanes where the water collects at curbside.
  • Use low-beam headlights to help other drivers see your car and increase visibility. Remember many states legally require drivers to use their headlights during inclement weather. In our neck of the woods Virginia, Maryland, Delaware, Pennsylvania, and New Jersey have wipers on, lights on laws, according to the AAA Digest of Motor Laws.
  • Use your defroster with your air conditioning to keep the air dry and prevent windows from fogging.
  • Do not drive around barricades. Many lives have been lost when drivers disregard official orders and find themselves trapped in rising waters.
  • Turn off the cruise control in wet weather driving. The use of cruise control on wet roads can cause hydroplaning.
  • If conditions worsen to the point where there is any doubt about your safety, take the nearest exit and find a safe location. Don’t just stop on the shoulder or under a bridge where you may feel less anxiety. If your visibility is compromised, other drivers may be struggling too.
  • Fumes and oil leaks that build up on dry pavement rise to the surface of the road when it rains, making the road far slicker than it may seem.

Arlington is currently under a Flash Flood Watch.

File photo


The National Weather Service has issued a Flash Flood Watch for Arlington and the entire D.C. metro area, beginning Friday morning. Heavy rains are expected locally as a result of Tropical Storm Andrea, possibly with two to four inches of accumulation. The watch lasts through Friday evening.

From the National Weather Service:

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND…THE DISTRICT OF
COLUMBIA AND VIRGINIA…INCLUDING THE FOLLOWING AREAS…IN
MARYLAND…ANNE ARUNDEL…CALVERT…CARROLL…CHARLES…
HARFORD…HOWARD…MONTGOMERY…NORTHERN BALTIMORE…PRINCE
GEORGES…SOUTHERN BALTIMORE AND ST. MARYS. THE DISTRICT OF
COLUMBIA. IN VIRGINIA…ALBEMARLE…ARLINGTON/FALLS
CHURCH/ALEXANDRIA…CULPEPER…FAIRFAX…GREENE…KING
GEORGE…LOUDOUN…MADISON…NELSON…NORTHERN FAUQUIER…
ORANGE…PRINCE WILLIAM/MANASSAS/MANASSAS PARK…
RAPPAHANNOCK…SOUTHERN FAUQUIER…SPOTSYLVANIA AND STAFFORD.

* FROM FRIDAY MORNING THROUGH FRIDAY EVENING

* HEAVY RAINFALL OF 2 TO 4 INCHES WITH ISOLATED TOTALS UP TO 6
INCHES CAN BE EXPECTED. EXCESSIVE RUNOFF FROM HEAVY RAINS MAY
LEAD TO FLASH FLOODING OF LOW LYING AREAS AND SMALL STREAMS. THE
GREATEST IMPACT FOR HEAVY RAINFALL IS EXPECTED TO OCCUR BETWEEN
10 AM AND 8 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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.


An otherwise cool May has given way to the usual D.C. summer combination of temperatures in the 90s and uncomfortable humidity.

With a “soupy and sultry” weekend in store, how do you plan to beat the heat?
 


Update at 7:25 p.m. — The National Weather Service has also issued a Flash Flood Warning.

BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
721 PM EDT TUE MAY 28 2013

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WARNING FOR… THE DISTRICT OF COLUMBIA… SOUTHERN ARLINGTON COUNTY IN NORTHERN VIRGINIA… EASTERN CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… WEST CENTRAL PRINCE GEORGES COUNTY IN CENTRAL MARYLAND…

* UNTIL 1015 PM EDT

* AT 714 PM EDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN CAPABLE OF PRODUCING FLASH FLOODING. RADAR ESTIMATES THAT 1 TO 2 INCHES OF RAIN HAVE ALREADY FALLEN ACROSS ALEXANDRIA AND SOUTHEAST WASHINGTON DC IN THE LAST 45 MINUTES. ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH CAN BE EXPECTED.

* SOME LOCATIONS THAT ARE AFFECTED BY THE HEAVY RAIN INCLUDE ALEXANDRIA…REAGAN NATIONAL AIRPORT…MARLOW HEIGHTS AND CRYSTAL CITY.

FLASH FLOOD PRONE AREAS IMPACTED INCLUDE… SOUTH TROY STREET NEAR LONG BRANCH… BRADDOCK ROAD AT WEST STREET…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS… UNDERPASSES AND OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

Earlier: The National Weather Service has issued a Severe Thunderstorm Warning for Arlington.

The warning is in effect through 7:15 p.m. From NWS:

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR… THE DISTRICT OF COLUMBIA… SOUTHERN CITY OF FAIRFAX IN NORTHERN VIRGINIA… CITY OF FALLS CHURCH IN NORTHERN VIRGINIA… ARLINGTON COUNTY IN NORTHERN VIRGINIA… CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… WESTERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND… CENTRAL FAIRFAX COUNTY IN NORTHERN VIRGINIA…

* UNTIL 715 PM EDT

* AT 635 PM EDT… A SEVERE THUNDERSTORM WAS DETECTED NEAR MANTUA… AND WAS MOVING EAST AT 15 MPH. THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF QUARTERS AND DAMAGING WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE… ANNANDALE… THE I395 AND I495 INTERCHANGE… SPRINGFIELD… LAKE BARCROFT… LINCOLNIA… FALLS CHURCH… FRANCONIA… BALLSTON… ALEXANDRIA… ARLINGTON…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH… PREPARE IMMEDIATELY FOR DAMAGING WIND GUSTS… LARGE HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS.


Arlington County and the surrounding area is currently under a Severe Thunderstorm Warning.

From the National Weather Service:

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR… THE DISTRICT OF COLUMBIA… SOUTHERN MONTGOMERY COUNTY IN CENTRAL MARYLAND… NORTHERN CHARLES COUNTY IN SOUTHERN MARYLAND… EASTERN CITY OF FAIRFAX IN NORTHERN VIRGINIA… CITY OF FALLS CHURCH IN NORTHERN VIRGINIA… ARLINGTON COUNTY IN NORTHERN VIRGINIA… CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… EASTERN PRINCE WILLIAM COUNTY IN NORTHERN VIRGINIA… PRINCE GEORGES COUNTY IN CENTRAL MARYLAND… EASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA…

* UNTIL 1130 PM EDT

* AT 1041 PM EDT… SEVERE THUNDERSTORMS WERE DETECTED ALONG A LINE EXTENDING FROM CHEVY CHASE TO ALEXANDRIA TO WOODBRIDGE… AND WERE MOVING EAST AT 25 MPH. THIS LINE OF STORMS IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE… TAKOMA PARK… NATIONALS PARK… NATIONAL HARBOR… THE DISTRICT… LANGLEY PARK… HYATTSVILLE… FORT WASHINGTON… KENILWORTH…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS LINE OF STORMS. IF YOU ARE IN ITS PATH… MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO SO… REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE NATIONAL WEATHER SERVICE.


A messy evening commute is possible, with rain and strong storms heading toward Arlington.

The National Weather Service warns that the storms may include heavy rain and hail.

… STRONG THUNDERSTORMS TO AFFECT ARLINGTON… NORTHERN FAUQUIER… SOUTHERN FAUQUIER… PRINCE WILLIAM/MANASSAS/MANASSAS PARK… LOUDOUN AND FAIRFAX COUNTIES…

AT 358 PM EDT… STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM AUBURN TO INDEPENDENT HILL TO MASON NECK… MOVING NORTH AT 20 MPH.

LOCATIONS IMPACTED INCLUDE GREENWICH… FORT BELVOIR… NEW BALTIMORE… NEWINGTON… WEST SPRINGFIELD… GAINESVILLE… FRANCONIA… BROAD RUN… WEST SPRINGFIELD AND MANASSAS PARK.

HEAVY RAIN WITH THESE STORMS WILL REDUCE VISIBILITIES TO BELOW ONE MILE AND MAY CAUSE PONDING OF WATER ON ROADWAYS.

PENNY-SIZE TO NICKEL-SIZE HAIL CAN BE EXPECTED WITH THESE STORMS.


(Updated at 3:05 p.m.) The National Weather Service has issued a tornado watch for Arlington and the entire metro area. The watch will be in effect until 10:00 p.m. From NWS:

PRIMARY THREATS INCLUDE…
SEVERAL TORNADOES POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

PRECAUTIONARY/PREPAREDNESS ACTIONS…

REMEMBER…A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

Strong storms are expected to blow into the area this afternoon and evening, possibly packing damaging winds and heavy rain. From the earlier NWS Severe Weather Outlook:

.DAY ONE…THIS AFTERNOON AND TONIGHT

THUNDERSTORMS WILL ACCOMPANY A STRONG COLD FRONT THAT WILL MOVE
ACROSS THE AREA LATE THIS AFTERNOON AND EVENING. A FEW STORMS MAY
BE SEVERE WITH LOCALLY DAMAGING WINDS AND HEAVY RAIN.

A GALE WARNING IS IN EFFECT FOR THE MARYLAND CHESAPEAKE BAY AND
TIDAL POTOMAC RIVER FROM 2 PM THIS AFTERNOON UNTIL 10 PM THIS
EVENING. A SMALL CRAFT ADVISORY IS IN EFFECT UNTIL 2 PM. A SMALL
CRAFT ADVISORY WILL LIKELY BE NEEDED AFTER THE GALE WARNING
EXPIRES LATE THIS EVENING AND TONIGHT.

A STRENGTHENING SOUTHERLY FLOW MAY PRODUCE MINOR COASTAL FLOODING
NEAR TIMES OF HIGH TIDE THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN…SATURDAY THROUGH THURSDAY

A SMALL CRAFT ADVISORY WILL LIKELY BE NEEDED FOR THE ENTIRE
MARYLAND PORTION OF THE CHESAPEAKE BAY AND TIDAL POTOMAC RIVER
SATURDAY. A SMALL CRAFT ADVISORY MAY BE NEEDED FOR PORTIONS OF THE
WATERS SATURDAY NIGHT INTO SUNDAY.

Although Arlington Public Schools has not issued any system-wide cancellations, some individual schools have already reported cancellations for evening events in anticipation of the severe weather.


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