NOTTINGHAM, MD—The National Weather Service has issued a Tornado Watch for Baltimore County and for Harford County.

The watch will be in effect until 6 p.m. on Monday.

A Tornado Watch means that conditions are favorable for the development of tornadoes in and close to the watch area. Their size can vary depending on the weather situation. They are usually issued for a duration of 4 to 8 hours. They normally are issued well in advance of the actual occurrence of severe weather.

During the watch, residents should review tornado safety rules and be prepared to move to a place of safety if threatening weather approaches.

Severe storms are expected in the area throughout the afternoon on Monday.  Flood warnings and wind warnings have previously been issued.

Residents should stay tuned to their local forecasts.