A rather extraordinary, record-strength late-season ridge of high pressure will build along U.S. West Coast in coming days, bringing widespread record heat to California, Oregon, Washington, and B.C. Some all-time September records may be threatened. #CAwx #CAfire #ORwx #WAwx pic.twitter.com/P2oOlAIQON

— Dr. Daniel Swain (@Weather_West) September 1, 2020