NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Photo: Extreme heat and smokey haze over Seattle on August 1, 2017 by InnerEye Photography on Twitter Original Tweet: All the #smoke from #bcwildfires is towards #Seattle. #AirQuality in the city is really bad. #wawx #heatwave #Smokey #Sunset Go to Site Related Events Northwest US Heat Wave August 2017