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 ...

来源：中央气象台 北方有大风降温沙尘天气 内蒙古东北部黑龙江等地有较强降雪 摘要： 今天白天，西北地区东部、内蒙古、山西等地出现大风降温和沙尘天气。预计今天夜间至明天，江淮及其以北大部地 区将有大风降温，西北地区东部、内蒙古、华北、黄淮、江淮、江汉等地有沙尘天气，内蒙古东部、黑龙江西部等地 有强降雪，关注大风降温、雨雪、沙尘等对春运交通、旅游、人体健康等的影响；另外，渤海、黄海等海域风力较 大，需做好海上交通安全管理。未来三天，南方有大范围降雨过程，贵州、湖南、江西等地雨势较强，关注局地强降 雨和强对流天气可能引发的次生灾害。 一、天气实况 西北地区东部内蒙古山西等地出现大风降温和沙尘天气 今天白天，青海东部、宁夏中北部、陕西北部、山西大部、内蒙古中西部、河北西部和北部等地出现7～9级阵风，部 分地区10～12级，内蒙古锡林郭勒、山西忻州等局地12～14级；上述地区并伴有6～10℃降温，内蒙古中西部降温幅度 超过12℃。另外，西北地区东部、华北及内蒙古等地出现大范围扬沙或浮尘天气，内蒙古巴彦淖尔和呼和浩特、山西 大同等局地沙尘暴或强沙尘暴。 二、重点天气预报 1. 北方有大风降温沙尘天气 21日夜间至22日， ...

随着寒潮继续影响我国，降温、大风、沙尘、雨雪将逐渐铺展开，中央气象台今天夜间继续发布了寒 潮、大风、沙尘暴、暴雪预警。 寒潮、大风、沙尘暴、暴雪四预警连发！春节假期后半段天气大转变，北方多地降温将超10℃，冷暖快 速反转。大风、沙尘也来袭，沙尘南界或推进到长江中下游沿线。另外，内蒙古东北部、东北地区将有 明显降雪，南方大范围降雨上线。 今天的变温实况图上，降温与升温形成了明显反差。在寒潮影响下，内蒙古、甘肃、宁夏等地出现降 温，其中甘肃西部、内蒙古西部等地降幅达10至16℃。而中东部大部地区继续回暖，气温15℃线抵达辽 宁，20℃线来到河北中部、山西南部，多地气温创今年以来新高。 北方多地降温超15℃！冷暖快速反转 明后天，寒潮将继续影响我国。此次寒潮影响范围偏北，且由于前期大回暖，将导致北方最高气温降幅 明显。预计内蒙古大部、西北地区北部、东北地区大部、华北大部、黄淮东部等地将降温6～10℃，其 中，内蒙古东部、黑龙江南部、吉林大部、辽宁东北部等地部分地区降温12～14℃，局地降温可达14℃ 以上。 明后天，北方各地气温将陆续下滑，东北、华北、黄淮等地最高气温降幅将达到15℃左右。东北多地最 高气温再度降到 ...

Group 1 - A cold wave is expected to impact Beijing with strong winds, temperature drops, sandstorms, and snowfall over the next two days [1][2] - Today, wind speeds will increase significantly, with gusts reaching around level 7, and temperatures are forecasted to be a maximum of 11°C and a minimum of -3°C [2] - Tomorrow, temperatures will drop sharply, with a maximum of 4°C and a minimum of -7°C, and there will be light snow in the western and northern parts of Beijing [1][2] Group 2 - The weather forecast indicates that the temperature will continue to decline, with a maximum of 0°C and a minimum of -8°C expected the day after tomorrow [2] - Meteorological departments have issued warnings for strong winds and cold weather, advising the public to take precautions against potential health risks [2]

Group 1 - The central and eastern regions of China will experience a temporary rise in temperatures before a new cold air mass arrives, leading to a significant drop in temperatures by early December [2][4] - The cold air mass is expected to cause temperature drops of 8°C to 10°C in some areas, with cities like Shenyang experiencing a drop from a high of 11°C to a low of -7°C [2][4] - Southern regions are less affected by the cold air, maintaining higher daytime temperatures but experiencing lower nighttime temperatures, resulting in a notable temperature difference of around 15°C [2][3] Group 2 - The dry conditions in southern regions are unprecedented for this time of year, with relative humidity dropping below 20% in several areas, such as 9% in Hubei [4][5] - In contrast, northeastern regions are expected to see increased snowfall, with heavy snow warnings in places like central Heilongjiang, where snow accumulation could exceed 10 centimeters [5][6] - The upcoming days will see continued dry and sunny weather in the central and eastern regions, while the northeast will face frequent snow, necessitating caution for travel due to slippery roads and reduced visibility [8]

Core Points - A strong cold air mass continues to affect Northeast and regions south of the Huanghuai, with significant impacts expected on energy supply, public health, transportation, and urban operations [1][3][4] - The 27th typhoon "Tianqin" has intensified to typhoon level, with maximum wind speeds reaching 12 levels (33 m/s) and is expected to affect maritime conditions significantly [7][11] Weather Impact Summary - From November 27 to 28, temperatures in most areas south of Huanghuai are expected to drop by around 4°C, while Northeast regions may see drops of 4-6°C, with localized areas experiencing drops of 8-10°C [3][4] - Snowfall has been reported in Inner Mongolia and Northeast regions, with maximum snowfall recorded at 7.7 mm in Tonghua, Jilin [2][3] - Wind gusts of 7-9 levels are expected in various regions, with some areas experiencing gusts up to 14 levels [2][3][4] - Dust storms are anticipated in parts of Inner Mongolia, Gansu, and other regions due to strong winds [4][6] Typhoon "Tianqin" Details - The center of typhoon "Tianqin" is located approximately 485 kilometers southeast of Sansha City, Hainan Province, with a minimum central pressure of 975 hPa [7] - The typhoon is expected to move westward at a speed of 5-10 km/h, with a gradual weakening anticipated after November 28 [7][11] - Areas affected by the typhoon will experience wind speeds of 6-8 levels, with gusts reaching up to 12 levels in proximity to the typhoon's center [7][11]