The Seattle / Western Washington area got pounded by an intense storm on 4 May
2017. According to the Seattle Times (citing the National Weather Service)
[http://www.seattletimes.com/seattle-news/weather/2500-lightning-strikes-yesterday-check-out-photos-from-across-the-seattle-area/]
, the region had “about 2,500 lightning strikes hit the ground from Lewis County
to the Canadian border.