(Updated at 3:00 p.m.) The Metropolitan Washington Council of Governments has declared that the region’s air quality has reached the level of “Code Red” for today, meaning an unhealthy level of ozone pollution.
From a COG press release:
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Weather
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The National Weather Service has issued a heat advisory for the region today. Temperatures are now expected to climb as high as 103 today and 102 tomorrow, according to forecasters.
From Arlington Alerts:
An “Excessive Heat Watch” has been issued for Friday as the region braces for a sweltering weekend.
Forecasters are warning of a “prolonged period of hot temperatures” and humidity which will “create a dangerous situation in which heat illnesses are possible.
Arlington and the surrounding region is under a Severe Thunderstorm Watch until 9:00 tonight.
Forecasters say the storms have the potential to produce “damaging wind gusts and locally heavy rainfall.”
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(Updated at 4:05 p.m.) Today’s heat advisory has been extended through 10:00 p.m. on Thursday. From the National Weather Service:
… HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THURSDAY…
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The National Weather Service has issued a flash flood Arlington for the region, specifically mentioning Arlington as an area that might be impacted by heavy rains from a line of thunderstorms.
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
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Update at 6:30 p.m. — The ground stop at Reagan National has been lifted, but major delays are being reported. From the FAA:
Due to WEATHER / THUNDERSTORMS, there is a Traffic Management Program in effect for traffic arriving Ronald Reagan Washington National Airport, Washington, DC (DCA). This is causing some arriving flights to be delayed an average of 3 hours and 27 minutes. To see if you may be affected, select your departure airport and check “Delays by Destination”.
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(Updated at 2:50 p.m.) A strong thunderstorm may be heading in our direction over the next 45 minutes. The National Weather Service has issued a Severe Thunderstorm Warning, urging residents to stay alert and seek shelter if necessary.
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
The National Weather Service has issued a Tornado Watch for Arlington and the rest of the D.C. region. The watch is in effect through 9:00 p.m.
The Arlington Office of Emergency Management issued the following statement about the impending severe weather earlier today:
The National Weather Service has issued a flash flood warning due to a line of thunderstorms approaching the area.
Forecasters say the storms could bring torrential rainfall of up to 1 to 2 inches.
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Due to the chance of rain showers and thunderstorms this evening, tonight’s Twilight Tattoo performance at Ft. Myer has been moved to an indoor venue.
From the Joint Base Myer-Henderson Hall public affairs office:
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Outdoor ice skating may not be the most popular recreation activity in 70 to 80 degree sunny weather, but the Pentagon Row ice rink is still open for business should anybody want to try their luck on the wet ice.
The rink had a thin layer of water on top of it when we stopped by around lunchtime today. No one was skating, but plenty of people were eating their lunch outside around the plaza.