HOWARD COUNTY, MD — The National Weather Service has issued a flood warning for several areas in central Maryland, including Howard County. The warning continues until 11:15 p.m. on Tuesday, Sept. 18.

At 5:17 p.m., the National Weather Service said that stream gauges indicated flooding on the Patapsco River at Elkridge, and other area streams may be flooding as well. During a flood warning, flooding is imminent or occurring. Drivers should turn around if they come across flooded roads, and pedestrians should not attempt to walk through flood waters.

These locations are under the flood warning until 11:15 p.m. on Tuesday, Sept. 18: Anne Arundel County

Baltimore City

Baltimore County

Howard County Specifically, these spots may experience flooding, according to the warning: Elkridge, Catonsville, Arbutus, Brooklyn Park, Pumphrey, Ilchester, Linthicum, Lansdowne, Halethorpe and Linthicum Heights.

(PREVIOUS ALERT - EXPIRED) — A flash flood watch is in effect until 6 p.m. Tuesday for much of the region, including Howard County. According to unofficial data submitted to the National Weather Service, a good amount of rain fell overnight: By 2 a.m., Columbia had received reports of up to 2.37 inches of rain, while Elkridge had 1.28 inches and Ellicott City reported 0.9 inch of precipitation. The flash flood watch calls for another round of scattered showers and isolated thunderstorms, with locally heavy rain that could lead to flash flooding. A flash flood watch means that there is the potential for flash flooding, which can be life-threatening. Heavy rain in a short time can lead to flash flooding, or a rapid rise in water level.