The National Weather Service in Boston/Norton has issued a * Severe Thunderstorm Warning for... Northwestern Suffolk County in eastern Massachusetts... Southwestern Essex County in northeastern Massachusetts... Northeastern Middlesex County in northeastern Massachusetts... * Until 515 PM EDT. * At 420 PM EDT, a severe thunderstorm was located over Marlborough, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to trees and power lines. * Locations impacted include... Boston, Cambridge, Lynn, Newton, Somerville, Framingham, Waltham, Malden, Medford, Revere, Peabody, Arlington, Everett, Billerica, Woburn, Chelsea, Chelmsford, Andover, Natick, and Watertown. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH