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Thunderstorms bluster through DC region, bringing risk of damaging winds, hail

Scattered thunderstorms rolled through the D.C. region Tuesday evening, prompting flash flood warnings and even a tornado warning on the outskirts of the D.C. area.

Several areas south and east of D.C., including parts of Prince George’s, Charles and Anne Arundel counties started seeing strong storms just after 4 p.m. The Federal Aviation Administration issued a ground stop Tuesday afternoon at all three major D.C.-area airports.

One radar-confirmed tornado was spotted in the Winchester, Virginia, area.


Active weather alerts:

  • Severe thunderstorm watch for southern Maryland until 12 a.m.

As showers and storms continued late into the evening, “flooding rain will be the main threat,” WTOP meteorologist Mike Stinneford said.

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Slow-moving storms could produce between a half inch and 1.5 inches of rain, with isolated higher amounts possible.

After conditions improve overnight, additional showers and thunderstorms are expected Wednesday, mainly east of the Blue Ridge.

Temperatures will be in the lower to middle 80s around the Capital Beltway, with upper 70s and lower 80s farther west. The position of the cold front will determine where thunderstorms redevelop during the afternoon. Severe weather probabilities have increased along the Interstate 95 corridor and any storm that forms could become strong or severe.

Cooler and less humid air will be coming Thursday, setting up more comfortable conditions to end the week.



Full forecast

OVERNIGHT: Scattered showers and storms
Lows: 70-75
Winds: South 10-20 mph

WEDNESDAY: Scattered storms
Highs: 82-87
Winds: Northwest 5-15 mph
Gusts: 25-30 mph

THURSDAY: Mostly sunny
Highs: 78-83
Winds: North 5-10 mph

FRIDAY: Mostly sunny
Highs: 77-82
Winds: Northeast 5 mph

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Hot, humid week ahead for DC area with severe storm risk

A dangerous heat wave will grip the D.C. area through Thursday, with highs in the mid to upper 90s and heat index values between 100 and 105. Hot and humid conditions are expected through Thursday, according to the National Weather Service, which said to expect daily thunderstorm chances and a risk of severe thunderstorms. 7News Meteorologist Eileen Whelan told WTOP that most of Tuesday will stay dry, but a few late-day thunderstorms are possible, especially north and east of D.C. as storms drift south from Pennsylvania. Any storm could produce damaging wind gusts and hail, but Whelan reiterated "storm chances are low" on Tuesday. Due to a lack of air conditioning, Parkdale High School in Riverdale, Maryland, closed early at 10:30 a.m. on Tuesday, Prince George's County Public Schools said in a social media post.
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