- Flash flooding affecting conditions in Ellicott City, Howard County on Sunday.
Numerous water rescues were reported after heavy rain drenched the state and sent raging brown water surging down Main Street in Ellicott City and past vehicles. The water neared the second floor of buildings and swept away cars.
This is a developing story.
The NWS provided observed rainfall accumulations for the past 24 hours in the greater Baltimore area showing widespread observed amounts of 3 to 6 inches with isolated measurements exceeding 9 inches.More news: LeBron James leads Cleveland Cavaliers to finals with victory over Boston Celtics
Authorities said they had no immediate reports of fatalities or injuries Sunday.
"If you are trapped, we are coming", Howard County Fire & EMS tweeted.
Governor Larry Hogan toured the area and promised "every bit of assistance we possibly can".
As the floodwaters receded, emergency workers could not yet say whether there had been any casualties, but local residents told The Baltimore Sun that it looked worse than the July 2016 flooding that killed two people.More news: Hurricane season 2018 predictions: how bad will we get hit this year?
Significant flash flooding and multiple water rescues have been reported on Main Street in Ellicott City. Main Street in @EllicottCity with devastating flooding. Located in the valley of the Patapsco River, a major waterway flowing to Chesapeake Bay, Ellicott City is known for its flood-prone location as much as its historic downtown.
Officials opened a shelter at a community center in Ellicott City.
Local officials are urging anyone in the area to seek higher ground and evacuate immediately, as long as the roads near them are safe and not flooded. At 5:30 p.m., the agency declared a flash food emergency. But he added that because he covered the same flooding two years ago, "this is emotional".More news: Lava From Hawaii's Erupting Kilauea Volcano Reaches Geothermal Plant, Threatens Another