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Flash Flood Watch, Warning In Effect Across Md. As Heavy Rain Continues

BALTIMORE (WJZ) -- After a gorgeous stretch of weather, you're going to have to get those umbrellas out. Tuesday will be one of the wettest days we've seen in awhile here in Baltimore.

Meteorologist Chelsea Ingram explains Tuesday will be humid with heavy rain and thunderstorms possible.

A Flash Flood Watch is in effect until 2 a.m. Wednesday for portions of Maryland, including Anne Arundel, Carroll, Charles, Harford, Howard, Montgomery, northern Baltimore, Prince George's and southern Baltimore.

It's the fifth worst rainfall in one calendar day, even worse than we received for Sandy. As of 5:30, Baltimore had received 6.27 inches of rain---and more is expected. This is also the record for August 12. The previous August 12 record rainfall was 4.91 inches, which was set in 1955.

A Flash Flood Warning is in effect until 4:45 p.m. Tuesday for Howard, Prince George's and Montgomery counties. The warning has been extended to 5:15 p.m. for Anne Arundel County.

A Coastal Flood Advisory remains in in effect until 10 p.m. Tuesday.

Related Story: Rescue Crews Helping Motorists Stuck In High Waters Across Md.

Timeline:

A chance for rain moved in Monday night, lasting into Wednesday morning. The heaviest downpours will be heading into the region Tuesday afternoon and evening and into the overnight hours.

Lines of severe storms could roll through as we head towards Tuesday afternoon and perhaps even some clusters, bringing heavy downpours, gusty winds and even hail.

Accumulation:

Baltimore has seen almost six inches of rain and more is expected.

Track the storms with our CBS Baltimore Weather App! For more information, click here

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