Multiple rounds of severe thunderstorms expected to move across Maryland

Marylanders should watch out for damaging winds as strong as 60 mph starting early Tuesday afternoon, according to the National Weather Service.

A low-pressure system is expected to produce severe weather and flash flooding from the mid-South region of the U.S. to the East Coast. Multiple rounds of thunderstorms coming from the west could reach Central Maryland as early as 1 p.m. and last until 10 p.m., said Luis Rosa, a meteorologist for the weather service’s Baltimore/Washington office.

Severe weather is more likely between 3 and 6 p.m., Rosa said. The storms will move fast, around 35 mph, and about an inch of rainfall is expected.

“We have to be cautious because there will be multiple rounds,” Rosa said.

The weather service issued a hazardous weather outlook across the region, including in Baltimore City and Anne Arundel, Harford, Howard, Montgomery, Prince George’s and Baltimore counties. Large hail and a tornado are possible, according to the weather service.

Air quality is moderate after Canadian wildfires put much of the state under a Code Red, when conditions were considered very unhealthy for everyone. The rain will help bring the air quality closer to normalcy.

Winds and thunderstorms hit the region over the weekend, knocking down trees and power lines in Anne Arundel and Howard counties.