The National Weather Service issued a flood watch for Bristol, Plymouth, and Barnstable counties through Tuesday afternoon. Rain bands moved through southeastern Massachusetts. Officials also posted watches and warnings for Dukes County and coastal areas.
Flash flood warnings covered parts of the watch area Monday. New Bedford, Acushnet, and Rochester in Bristol County faced threats until early afternoon. Warnings pointed to conditions that shifted without much notice, bringing risk to streets and basements across those towns.
Runoff may cause flooding in urban locations with poor drainage. Low-lying neighborhoods face threats too. Areas near streams and small rivers carry the highest risk as downpours overwhelm storm drains and culverts…