Update 4:45pm
The second power outage in the Burien area began around 3pm just north of Seahurst Park encompassing 15th SW through 18th SW from Seahurst Park Road to 136th SW on the north. Restoration was predicted to happen by 9am on Tuesday, morning.
original post
A power outage on the hottest day in Seattle history is not good news but for 176 Seattle City Light customers near Ambaum Blvd. SW and 125th SW was out and was addressed quickly. So.. meltdown averted.
You can view and report outages on the City System Status page here.