加拿大针对风暴、寒冷和热浪发出色标天气警报,黄色、橙色和红色信号越来越严重。 Canada launches color-coded weather alerts for storms, cold, and heat, with yellow, orange, and red signaling increasing severity.

加拿大环境部启动了一个新的颜色编码天气警报系统,使用黄色、橙色和红色取代文本警告,分别表明中度、主要和威胁生命的影响。 Environment Canada has launched a new color-coded weather alert system using yellow, orange, and red to replace text-based warnings, indicating moderate, major, and life-threatening impacts respectively. 该系统是去年开发的,反映了区域差异、预测信心和潜在后果,单一事件可能有多种颜色。 The system, developed over the past year, accounts for regional differences, forecast confidence, and potential consequences, with multiple colors possible for a single event. 它适用于冬季风暴、极端寒冷和炎热,虽然许多气象应用软件将显示警报,但官方网站仍然是获取准确、最新信息的最可靠的来源。 It applies to winter storms, extreme cold, and heat, and while many weather apps will display the alerts, the official website remains the most reliable source for accurate, up-to-date information.