Flooded streams and stranded cars were reported from Towson to Middle River amid Monday evening storms, according to the National Weather Service.
A stream gauge on Minebank Run near Cromwell Valley Park read 9 feet, a foot above flood stage, about 8 p.m. A gauge in White Marsh Run behind the Nottingham Square Shopping Center reached 11 feet, 2 feet above flood stage, at 9:45 p.m.
Heavy rain meanwhile flooded intersections, stranding motorists.
A car stalled in high water near Bellona Avenue and Ruxton Road in Ruxton about 8 p.m.
One car was stranded in high water on Wilson Point Road by Martin State Airport about 8:25 p.m., while another was trapped at Middle River and Compass roads in Middle River about 9:45 p.m.
Loch Raven Boulevard was closed just inside the city line because of flooding about 8 p.m.
Radar estimates of rainfall suggest as much as 2 inches of rain fell in a short span over eastern Baltimore County, according to the weather service's Advanced Hydrologic Prediction Service.
Weather spotters reported 2.17 inches near Towson, 2.31 inches near White Marsh and 2.34 inches in the Hamilton neighborhood of northeast Baltimore, according to CoCoRaHS.
But only about half an inch of rain fell at Baltimore-Washington International Thurgood Marshall Airport.