Courtesy of the National Weather Service

Put tornadoes on the list of things to watch out for this Monday.

Now a tropical depression, Florence is moving into the region. And in addition to a hazardous weathr outlook and a flash flooding warning in effect until the wee hours of the night, tornadoes are possible, according to the National Weather Service, along with isolated incidents of hail or gusts of wind as high as 70 miles per hour.

NWS advises that people seek shelter if they see dark, rotating clouds or hear a tornado siren. “Here’s what to do,” says D.C. Fire and EMS on Twitter. “Head quickly to a cellar, storm shelter, safe room, or basement if available. If not, a windowless interior room, such as bathroom, closet or inner hallway. Stay as far from windows as possible.”

While tornadoes are an unusual occurrence in the District, they are not unheard of. And 14 years ago to the day, as WTOP notes, Virginia saw the largest tornado outbreak in the commonwealth’s history in the wake of Hurricane Ivan.

Our southern neighbors are already seeing some.

Tornado Watch for #dmv until 10pm. This pic is near University of #Richmond where there have been 8 *reports* of tornadoes. Stay updated & join us @fox5dc at 5 & 6! pic.twitter.com/IyjyuMhnEy

— Sue Palka FOX 5 DC (@suepalkafox5dc) September 17, 2018

A #TornadoWatch has been issued from Richmond, VA to Washington, DC. brief Fast moving #tornadoes could be possible through tonight and push NE. Several tornado warnings are currently ongoing near Richmond. #vawx #florence pic.twitter.com/joPVR7126J

— MyRadar Weather (@MyRadarWX) September 17, 2018