Good morning, Attached is a one page briefing and supporting graphics regarding a period of expected heavy rainfall Thursday morning. Heavy rainfall between 7am and 2pm Thursday may lead to urban and poor drainage flooding as well as hazardous driving conditions that may impact the morning commute. Please see the attached briefing and graphics for further details. We will provide an updated briefing later this afternoon. Have a great day. -Rob Megnia and Hayden Frank If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat <https://nwschat.weather.gov/>, or at the following: National Weather Service Boston/Norton, MA 46 Commerce Way Norton, MA 02766 508.622.3280 Website <http://www.weather.gov/boston> | Facebook <http://www.facebook.com/NWSBoston> | Twitter <http://www.twitter.com/NWSBoston>