加州本周进入危险天气期，美国国家气象局预报圣塔安娜风将在周六前为加州西南部带来强风和极端火灾天气条件1。预计圣盖博山脉和圣塔苏珊娜山脉的风速将达50-70英里/小时，其他地区风速为20-40英里/小时，阵风可达50-70英里/小时1。面对这一威胁，北加州太平洋燃气电力公司周三晚开始主动断电，导致26个县近62,000名客户周四无电1。
极端天气来临之际，加州正在应对今年火灾造成的持续创伤1。2025年加州火灾已造成30多人死亡，超过16,000座建筑被毁1。气候科学家丹尼尔·斯韦因指出，本周若发生重大火灾将形成不合时宜的局面，因为南加州冬季降雨可能性现在非常高1。官方警告民众需要为多重灾害做好准备，洛杉矶应急管理办公室主任凯文·麦戈万表示："人们应该为不仅仅是一种灾害做准备，而是所有灾害"1。专家预计，由太平洋潜在历史性厄尔尼诺现象引发的破坏性条件将持续至今年底及明年，加州面临火灾、热浪和海平面上升的多重威胁1。
California is bracing for dangerous weather conditions this week as the National Weather Service forecasts Santa Ana winds bringing extreme fire conditions to the state's southwestern regions through Saturday.1 Wind speeds are expected to reach 20 to 40 miles per hour, with gusts between 50 and 70 miles per hour in the San Gabriel and Santa Susana mountain ranges.1
The convergence of high temperatures and strong winds comes as the state continues to grapple with an unprecedented fire season. California's 2025 wildfires have already claimed more than 30 lives and destroyed over 16,000 structures.1 In response to the escalating threat, Pacific Gas and Electric Company initiated precautionary power shutoffs affecting nearly 62,000 customers across 26 counties in Northern California on Thursday.1
Climate scientists warn that the destructive weather patterns linked to a potentially historic El Niño phenomenon in the Pacific are expected to persist through the end of the year and into 2026.1 Daniel Swain, a climate scientist, noted that "if a major fire were to occur this week, it would be poorly timed, given the now-high likelihood of winter rain in Southern California."1 Kevin McGovan, director of the Los Angeles Office of Emergency Management, underscored the scale of preparedness required, stating that "people should prepare not just for one type of disaster, but for all of them."1
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