SAN FRANCISCO- A new storm system is making its way through already-drenched Northern California, prompting a flood watch for parts of the region.

The National Weather Service says rain began falling along the coast around 5 a.m. Tuesday, reaching inland areas in the afternoon.

Coastal mountains could see as much as 6 inches of precipitation before the storm moves out on Wednesday. Other areas may only see an inch or so.

Forecasters are not expecting anything as severe as the series of storms that rocked the region over a five-day period that ended on Sunday.

Still, parts of far Northern California and southern Oregon are under a flood watch in part because of already-swollen waterways and saturated ground.

TERRY COLLINS, Associated Press