Forecasters on Friday morning were trying to pin down the exact path of a winter storm that could deliver a little — or quite a lot — of snow to the Northeast this weekend. People in a broad stretch of the East Coast, from Washington to New England, were watching closely.

The storm prediction became clearer this afternoon as forecasting models became more aligned, the National Weather Service said.

Stormy weather on Thursday brought flooding and traffic problems across parts of Los Angeles, including near Hollywood Burbank Airport, where some drivers became stranded in rising water.

A lightning strike sparked a fire that burned hundreds of palm trees at a nursery in unincorporated Escondido. Early reports estimated about 100 trees caught fire, but a battalion chief at the scene later told NBC 7 about 1,000 trees were damaged.

A third storm system this week is moving into Southern California Thursday, bringing another round of rain, chilly temperatures and renewed concerns about flooding and debris flows in vulnerable

Nashville Department of Transportation has so far collected 355,000 cubic yards of tree debris from Winter Storm Fern.

Winter storm warnings and winter weather advisories have been expanded out to Utah's valleys, in a rare move this winter. It could create a messy Wednesday commute.

Power outages were reported throughout multiple Bay Area counties.