Coastal and mountain communities in California are at high risk of excessive rainfall through Wednesday, according to the NWS|@NWSWPC|via Twitter

Late-winter storms are bringing unprecedented levels of snowfall and rain to US coasts, leaving people inundated with flash floods, power outages and travel closures.

According to the National Weather Service (NWS), coastal and mountain communities in California are at high risk of excessive rainfall through Wednesday. Rivers are overflowing in 16 locations and nearly 70 locations in the state are under flood watch.

Northern parts of California are experiencing the snowiest season, which has left Lake Tahoe’s Emerald Bay completely frozen for the first time in 30 years.

Meanwhile in the Northeast
The season’s first nor’easter is pounding US Northeastern states. More than 240,000 customers were without power on Tuesday in New York, Maine, Massachusetts and New Hampshire, per Poweroutage.us.

More than 1,110 flights were canceled and nearly 5,200 were delayed in the Northeastern states due to heavy snowfall coupled with strong winds.

Nor’easter is a type of storm that travels along the Eastern Seaboard and brings winds from the northeast.

The Weather Prediction Center says, New England will receive snow, which will taper off Wednesday. Strong wind gusts will continue through Wednesday afternoon in areas from the mid-Atlantic through the Northeast.