Group 1 - The core issue is the severe impact of atmospheric river storms in California during the Christmas holiday period, leading to at least 3 fatalities and power outages affecting 120,000 residents [1] - The California government has declared a state of emergency in multiple areas due to the extreme weather conditions caused by the storms [1] - The storms have resulted in record rainfall in parts of Southern California, with reports of mudslides in areas previously affected by wildfires, and warnings of avalanche risks in mountainous regions [1] Group 2 - An atmospheric river is defined as a narrow corridor of water vapor in the atmosphere that transports warm, moist air from low-latitude regions to mid-latitude areas, causing heavy rainfall or snowfall [2] - Atmospheric rivers are a common phenomenon on the U.S. West Coast and are a primary source of precipitation in the region [2]
美国加州圣诞假期遭遇风暴 至少3人死亡
Xin Lang Cai Jing·2025-12-25 23:32