New study lays out hidden backstory behind deadly Pacific Northwest heat wave
Air temperature anomalies across the continental United States and Canada on June 27, 2021, when the heat intensified and records started to fall. Red areas are where air temperatures climbed more than 27°F higher than the average for the same day. Credit: NASA Earth Observatory
Last summer, a deadly wave of heat struck the Pacific Northwest, causing temperatures to soar more than 30 degrees Fahrenheit above normal and…