Tornado Warning Issued For Parts of Mass.

A lengthy and dangerous round of severe weather swept across northern Illinois Monday night. Several tornado warnings were issued throughout the night. Extensive damage was reported in areas including Sterling, Sublette 

If you are in the path of the storm, take cover in a basement or an interior room on the lowest floor of a sturdy building and avoid windows. If you are outdoors, in a mobile home or a vehicle, move to the closest substantial shelter and protect

The Tornado Watch includes Barnstable, Bristol, Dukes, Essex, Franklin, Hampden, Hampshire, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk and Worcester counties in Massachusetts; Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack, 

By the time damage was reported, the storm already moved out of the area. The reason for not issuing a tornado warning: Forecasters say they prefer to see more pronounced areas of rotation across several radar scans before pulling the trigger on a warning.

A lengthy and dangerous round of severe weather swept across northern Illinois Monday night. Several tornado warnings were issued throughout the night. Extensive damage was reported in areas including Sterling, Sublette