UPDATE: Tornado Watch in Effect Through 2 a.m. Saturday

UPDATED 10:13 p.m.—A Tornado Watch is in effect through 2 a.m. for a large portion of the Washington D.C./Baltimore Metropolitan area.

The watch includes 11 counties. Among them are Baltimore, Howard and Carroll counties.

Flooding is possible as already up to three inches of rain has fallen, and more is expected.

For updates on the Pikesville forecast, visit the National Weather Service.

Get immediate updates on roads, damage, conditions and emergencies from Baltimore City, Baltimore County, FEMA, The American Red Cross and more by clicking on Pikesville Patch's Weather Info page on Twitter.

To report power outages, call BGE at Outages: 877.778.2222. To view outages, visit BGE's Outages Map.

Damage to five houses was reported in Towson, according to a tweet by Baltimore County Emergency Management. Read a report on Towson Patch to view for a photo of a house nearly cut in two by a fallen tree.

Harford County got a lot of damage. Read "Possible Tornado Hits Harford" on Bel Air Patch.

UPDATED 5:01 p.m.—The National Weather Service's tornado warning is now finished for the northwestern parts of Baltimore and Carroll counties.

However, there is a warning through 5 p.m. Friday for southern Baltimore County, northwestern Anne Arundel County and southeastern Howard County.

Specifically, in Elkridge, there's a storm capable of producing a tornado, the warning states.

For updates, visit the National Weather Service, and enter the ZIP code for the area you want information about.

Original Story 3:58 p.m.—Earlier this afternoon, a tornado warning had been issued for parts of Baltimore and Carroll counties, through 4:15 p.m., according to the National Weather Service.

The warning urged residents to 'take cover now,' as any tornado could have been difficult to see because of rain.

Hampstead, Greenmount, Parkton, Freeland and Maryland Line could have been affected, the warning stated.

"DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW," it stated.

Michael Schwartzberg of the Pikesville Volunteer Fire Company tweeted at 3:42 p.m. that he had been listening to radio calls, and that there have been no related emergency calls so far.