A heatwave is anticipated to establish record high temperatures across portions of the West Coast this week, ushering in scorching conditions and elevated wildfire dangers for millions.
Sections of Oregon, California, and Washington are projected to experience temperatures approaching 100°F, as heat warnings remain active through Wednesday evening. The National Weather Service (NWS) stated in a Monday forecast that, “This heat will be perilous, presenting a risk to anyone lacking efficient cooling and sufficient hydration.”
The agency cautioned that intense heat also presents a hazard during the evening, with temperatures forecast to stay elevated above average throughout the night. By Monday morning, close to 8 million Americans were subject to heat alerts.
“Numerous regions will experience minimal nighttime reprieve from the intense heat, with overnight low temperatures persisting considerably above typical levels,” according to the NWS. It added, “Extreme heat remains hazardous even after sunset if temperatures fail to moderate.”
These elevated temperatures, combined with arid conditions, are also anticipated to heighten the risk of wildfires throughout the West, where blazes are already active. In Napa County, California, the has consumed over 6,800 acres since its inception last Thursday, with containment reaching only 13% by Monday morning. Meanwhile, in central Oregon, the has ravaged nearly 22,000 acres since Thursday.
This summer season has witnessed a succession of unprecedented heat waves. In June, over 255 million Americans experienced perilous, triple-digit temperatures as a heat dome enveloped a significant portion of the United States. Concurrently, in Spain, a heat wave occurring from August 3rd to 18th was identified as “the most intense on record,” according to the nation’s meteorological agency. This intense heat ignited wildfires that persist, and is associated with over 1,000 fatalities.
The NWS advises residents in the impacted regions this week to restrict outdoor pursuits during peak temperatures, and to maintain adequate hydration while ensuring access to cooling strategies.
The advisory recommended, “Consume ample fluids, remain in an air-conditioned environment, avoid direct sunlight, and monitor the well-being of family and acquaintances.”