Ellicott City Flood Timeline

7/30/2016

6:45 PM

Rain begins to fall in Ellicott City as old town Main Street businesses enter the busiest stretch of the week, with patrons visiting shops and restaurants.

7/30/2016

7:18 PM

The National Weather Service issues a flash flood warning across Howard County, Baltimore City and southern Baltimore County. Dozens of restaurant-goers are dining at Main Street restaurants.

7/30/2016

7:30 PM

The heaviest rains move in to Ellicott City, with 4.56 inches of accumulation over the next hour. Six and a half inches of rain falls on Ellicott City in about 2 hours, a deluge expected to occur only once every thousand years.

7/30/2016

8:15 PM

The Patapsco River begins to swell, rising 6 feet in an hour as tributaries from the valley begin to empty into the river.

7/30/2016

8:45 PM

As rain tapers off, floodwaters begin to surge down Main Street, with nearly 6 inches of precipitation in two hours. Diners begin to shoot video from their phones on the upper-level dining rooms at Portalli’s.

7/30/2016

8:50 PM

A strong stream down Main Street becomes a rapid current and cars are swept downhill toward the Patapsco River. At least two people are swept away — one from Main Street and another from the bridge over the Patapsco.

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7/30/2016

8:55 PM

Business owners lock arms to rescue a woman from a car floating down Main Street. Patrons and business owners in lower levels of stores and shops evacuate to upper levels of old buildings along Main Street.

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7/30/2016

9:00 PM

As the flash flooding on Main Street eases, the Patapsco River crests, rising 14 feet in an hour and a half.

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7/30/2016

11:59 PM

Floodwaters subside. Howard County Executive Allan Kittleman calls for a state of emergency. On Sunday morning, Gov. Larry Hogan visits Ellicott City and declares a state of emergency, enabling coordination across levels of government.

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7/31/2016

Sunday morning

A body is found along the Baltimore County side of the Patapsco River, near the Bloede Dam, as recovery efforts begin on Main Street.

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7/31/2016

Sunday afternoon

Police announce a second body has been found along the Baltimore County side of the Patapsco.

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7/31 - 8/1

Sunday into Monday

Cars are towed from Main Street to Centennial High School, where residents can pick up their vehicles or assess damage.

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8/1/2016

Monday morning

Clean-up continues. Twenty cars remain in the Patapsco River.

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View more coverage from The Baltimore Sun

Mapping codebase by Joe Rayment

Adapted by Jin Bae Kim

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