A low-pressure system brought upward of 2 inches of rain to the Baltimore region Thursday, weather officials said, causing flooding in some areas.

Kyle Pallozzi, a meteorologist for the Baltimore-Washington office of the National Weather Service, said between 1.25 and 2.25 inches of rain fell across Baltimore City and County on Thursday. The Inner Harbor, Northwest Baltimore, Timonium and Rossville were most inundated with water, with 1.77, 2.28, 2.83 and 2.84 inches of rain, respectively, Pallozzi said.

Images posted to social media Thursday morning showed flooding near Annapolis City Dock and Thames Street in Fells Point, areas that often flood. Water levels are also up along the Inner Harbor promenade, said Tishawna McGowan, a spokesperson for Baltimore’s Office of Emergency Management. The office is monitoring street-level flooding reported at the 1900 block of Thames Street, McGowan said.

Flooding hit Fells Point after a heavy rainstorm Thursday. (Kaitlin Newman/The Banner)
After a morning deluge, flooding has begun in the plaza along Baltimore’s Inner Harbor on Thursday.
After a morning deluge, areas along Baltimore’s Inner Harbor were flooded. (Allan James Vestal/The Banner)

Coastal flood advisories remain in effect for Baltimore City and Anne Arundel, Baltimore, Cecil and Calvert counties until Friday morning, according to the NWS. Weather officials issued a coastal flood warning for Dorchester, Somerset and Wicomico counties until 4 a.m. Friday.

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Strong winds are possible, with a small-craft advisory in effect until 6 a.m. and a gale warning in place until 6 p.m. Friday for the Patapsco River.

Drivers urged to avoid flooded roads

Officials around the state are urging drivers to use caution and avoid flooded roadways.

The Annapolis Office of Emergency Management said Compromise and Dock streets are closed, adding that people should not drive around barricades.

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There has been flooding on East Patapsco Avenue and South Hanover Street in Baltimore, according to the Maryland Transit Administration. A detour has been implemented for several bus routes, including LocalLink 26, 29, 69, 70 and 73.

The weather also disrupted trash pickup and services with the Baltimore City Department of Public Works. Routes may experience delays, according to the department.

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Halloween forecast

The forecast for Halloween is cooler but dry. Wind will pick up overnight Thursday, with winds of 40-45 mph through the early afternoon Friday. The temperature will drop to around 44 degrees Friday evening.

Saturday and Sunday will be mostly sunny, NWS meteorologist Kevin Witt said.