The storm caused moderate flash flooding across urban areas in Massachusetts and Rhode Island as well as minor river and stream flooding as rain at times fell at more than 1 inch per hour.

BOSTON - A powerful storm system is set to deliver a Wednesday washout in Massachusetts, complete with periods of heavy rain, localized flooding and damaging winds. There are numerous hazards and alerts associated with this highly anomalous storm system.

Power outages, wind damage, and flooding are the top concerns in Massachusetts on Wednesday as an impact storm packing torrential rain and fierce wind gusts moves through the region. Atmospheric river and potential bomb cyclone bring chaotic winter weather to East Coast

“This may result in some small stream and mainstem river flooding. Heavy rain may also result in localized urban flooding and potentially impact part of the evening commute,” the NWS warned. Those living in areas prone to flooding should be prepared to take action, the NWS advised.

Torrential rain and strong wind gusts caused problems across Massachusetts on Wednesday. Drivers were dealing with flooding in the Ted Williams Tunnel Wednesday night. MassDOT said a pump failed and debris clogged the drains.

Hazardous weather will stretch up and down the Eastern Seaboard on Wednesday. Here’s where to expect the worst.

An intense storm hitting Boston Wednesday caused flooding that shut down a highway tunnel in the city and knocked out power for tens of thousands.

Cleanup is underway after an intense storm brought record rain and powerful wind gusts to Massachusetts Wednesday, causing downed trees, power outages, and severe flooding in some areas, including Boston.

A FIRST ALERT was in effect for the Philadelphia region on Wednesday from 4 a.m. through 8 p.m. due to the powerful storm system that brought heavy rain, damaging winds and potential flooding. The heaviest rainfall and strongest winds was expected to coincide with the passage of the cold front during Wednesday’s afternoon and evening commutes.