Update: At peak, 4,800 affected by Berkeley Hills power outage, now mostly resolved

The cause of the outage was a tree making contact with a power line in El Cerrito, said PG&E.

The PG&E power outage map at around 1:50 p.m. Check the latest numbers on the online PG&E outage map

Update, 3 p.m.: PG&E said that the power outage this afternoon in the North Berkeley Hills started at about 1:21 p.m. and, at its peak, affected 4,875 customers. At the time of writing, power had been restored to all but 119¬†customers. PG&E spokeswoman Tamar Sarkissian said the outage was caused when a tree made contact with a power¬†line in El Cerrito. “We are continuing working to restore power to the remaining customers,” she said. “We would also like to remind people that¬†if they see a downed or low power line, they should assume it’s live, keep away, and call 911 immediately.”

Original story: Hundreds, possibly thousands, of residents have been affected by power outages in the North Berkeley Hills area. According to a PG&E outage map the outages were affecting anywhere between 500 and 4,999 customers at around 2 p.m. Thursday.

Several Berkeleyside readers took to Twitter starting around 1:30 pm. to say they were experiencing outages, and alerted us by email too.

Todd Woody reported via¬†Twitter at 2:15 p.m. that “power had been out for the past 45 minutes in the Berkeley hills.”

Chris Taylor also said, on Twitter, that he had seen an emergency¬†text alert relating to flash floods. It read: Flash flood warning this area until 6:15 p.m. PST. Avoid flood areas. Check local media.”

Berkeleyside has requested more information from PG&E and will provide updates.

Tracey Taylor is co-founder of Berkeleyside and co-founder and editorial director of Cityside. Email: tracey@citysidejournalism.org.