At 743 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 0.75 to 1.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Boston, Brockton, Quincy, Weymouth, Braintree, Randolph, Norwood, Milton, Stoughton, Dedham, Walpole, Easton, Hingham, Canton, Sharon, Rockland, Foxborough, Abington, Westwood and Hanover.

FFWBOX The National Weather Service in Norton has issued a * Flash Flood Warning for... Eastern Worcester County in central Massachusetts... Norfolk County in eastern Massachusetts... Southwestern Suffolk County in eastern Massachusetts... Southeastern Middlesex County in northeastern Massachusetts... Northwestern Bristol County in southeastern Massachusetts... Northwestern Plymouth County in southeastern Massachusetts... * Until 900 AM EDT. * At 601 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Boston, Brockton, Quincy, Newton, Brookline, Weymouth, Braintree, Natick, Randolph, Franklin, Needham, North Attleborough, Norwood, Milford, Milton, Stoughton, Attleboro, Dedham, Walpole and Mansfield.