悉尼和新南威尔士州日前经历了一个异常炎热的周末，随后气温急剧下降。1 西悉尼里士满地区气温达到35.4°C，宾瑞斯达达到35°C，1 这些读数比9月平均最高气温高出6°C至12°C。1 更引人注目的是气温的剧烈波动——观测山站气温在2小时内从32.7°C骤降约10°C。1 这种高温与干燥条件的组合在大猎人地区、东北部地区及北部内陆地区引发了高至极端级别的火灾危险警告。1
强厄尔尼诺现象预计将在晚春或夏季达到峰值，并将达到1950年可靠记录开始以来观测到的最高水平。1 气候专家认为厄尔尼诺现象可能与气候变化结合，推高2027年全球气温至创纪录高位。1 澳大利亚整体气候趋势也印证了这一走向，今年冬季为历史第三热，其中新南威尔士州、塔斯马尼亚州和维多利亚州都经历了各自历史上最热的冬季。1
Sydney and parts of New South Wales endured an unusually hot weekend with temperatures far exceeding September averages, before experiencing a dramatic cooling trend within hours on Monday.1 In western Sydney, Richmond recorded a high of 35.4°C, while Penrith reached 35°C.1 These readings were 6 to 12 degrees Celsius above the typical September maximum temperatures for the region, with Penrith's September average standing at 23.5°C and Observatory Hill at 20.1°C.1 The temperature shift was particularly striking at Observatory Hill, where conditions plummeted approximately 10°C within just two hours.1
The extreme heat and dry conditions triggered elevated fire danger alerts across multiple districts.1 Authorities issued high to extreme fire danger warnings for the Hunter region, northeastern areas, and inland northern zones.1 Climate specialists have attributed the unusual temperature pattern partly to a developing strong El Niño phenomenon, which experts predict will reach peak intensity in late spring or early summer. According to climate analysis, the strengthening El Niño is projected to reach "the highest level observed since reliable records began in 1950."1 Climate experts indicate that El Niño may combine with climate change to drive global temperatures to record highs in 2027.1 This year's Australian winter has already ranked as the third hottest on record nationally, with New South Wales, Tasmania, and Victoria all experiencing their warmest winters on record.1
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