2月21日起，春节假日期间，受寒潮冷空气影响，内蒙古自治区多地出现大风沙尘和降温降雪天气。内 蒙古自治区气象局于2月20日启动重大气象灾害（大风、寒潮）四级应急响应命令，并发布大风蓝色、 大风黄色、沙尘暴黄色、寒潮黄色预警。 内蒙古自治区气象部门密切监测天气形势，及时发布内蒙古旅游景点24小时天气预报、全区环境空气质 量监测与预报等服务产品，并联合内蒙古自治区公安厅交通管理总队、自治区综合交通运行监测与应急 指挥中心发布内蒙古交通气象服务专项产品，为春节假期公众返程保驾护航。 同时，包头市、乌海市、乌兰察布市等地文旅部门根据气象部门发布的沙尘天气影响，临时关闭南海湿 地、乌海湖、乌兰哈达火山等多处景区。 （作者：李云逸 高菲 责任编辑：郭曼如） 鄂伦春自治旗7个监测站出现暴雪，针对此次天气过程，自治旗气象局将暴雪灾害四级应急响应提升为 三级。根据气象预警信息，各部门、各乡镇迅速响应、高效联动，交通部门对旗内1条省道、2条县道实 施交通管制及限行措施，全旗客运车辆全部停运；文旅部门及时启动应急预案，1处红色文化旅游景区 临时闭园，切实保障游客与工作人员安全；供热单位开展供热指标调整和调配热源供应，加强管线巡 护 ...

据悉，吉林省取暖保供能力全面提升，目前已入库热煤801万吨，新建改造管网1246公里，新增热源能 力850兆瓦。设施设备检修率、完好率均达到100%。 目前，吉林省各地已全部建立应急指挥机构，编制供热应急预案，确保冬季供暖应急保障全面到位。 （记者张博宇） 新华社长春10月18日电 记者从吉林省住房和城乡建设厅获悉，截至10月17日0时，吉林全省48个市县已 全部开栓供热，较上个采暖季平均提前3天。 ...

Core Points - Beijing Heating has initiated the trial water pressure testing for the heating system ahead of the 2025-2026 heating season to ensure optimal performance during winter [1] - Residents are advised to pay attention to community notifications regarding the testing schedule, as there is no unified date for the trial [1] - The trial involves filling the heating pipes with water to maintain working pressure and check the system's operation [1] Group 1 - The trial water pressure testing is a routine procedure conducted before each heating season, crucial for ensuring heating quality [1] - Residents should remain at home during the testing, especially those who have made modifications to their heating systems, to promptly address any leaks [2] - In case of any issues such as leaks, residents are encouraged to contact the Beijing Heating service hotline for repairs [2] Group 2 - Residents can manually release air from the heating system using the air release valve if they hear water sounds in the radiators [1] - Precautions should be taken to prevent water from splashing during the air release process, such as using a plastic bottle or cloth [1] - Immediate action is required if the air release valve is accidentally removed, including closing the household shut-off valve and contacting the heating service [1]