美国西部野火持续肆虐

Core Insights - The wildfires in the western United States, particularly in Arizona and Utah, have escalated significantly, with Arizona's Grand Canyon National Park experiencing a "major fire" status and becoming one of the largest wildfires recorded in the state [1][2] - The Arizona wildfire, ignited by lightning on July 4, has burned nearly 453 square kilometers, with only 8% of the fire contained as of August 1 [1] - Utah has declared a state of emergency due to wildfires affecting multiple towns and causing power outages [1] Summary by Sections Arizona Wildfire - The Grand Canyon National Park wildfire has reached a major fire classification, marking it as the largest wildfire currently burning in the U.S. [1] - The fire has destroyed the historic "Grand Canyon Lodge" and at least 70 other structures [1] - Control efforts saw a temporary increase to 26% but were hindered by worsening weather conditions, leading to a significant drop in containment [1] Utah Wildfire - A wildfire in Utah, which started on July 13, has burned approximately 225 square kilometers [1] - Evacuations were ordered for several towns affected by the fire, and power facilities were damaged, resulting in outages in southern Utah [1] - Utah's governor declared a state of emergency on July 31 due to the ongoing wildfire situation [1] Fire Season Outlook - The National Interagency Fire Center has warned that the wildfire season in the western U.S. is far from over, predicting high wildfire risks to persist at least until September [2]