气象部门提醒，北京今天北风明显，并伴有扬沙，公众请注意防护，谨防高空坠物；明天气温骤降，大 风和寒潮蓝色预警信号生效中，需做好防寒、保暖措施，谨防感冒和心脑血管疾病。 今晨，北京天气晴冷。（图/中国天气网 宋华成） 央视网消息：据中国天气网消息，今明天（11月30日至12月1日），寒潮将携大风、降温、沙尘、 降雪影响北京。其中，今天，北京风力较强，阵风可达7级左右，部分地区有扬沙，需注意防范。明天 北京西部、北部有零星小雪或小雪，气温下降明显，最高气温4℃，最低气温-7℃，需做好防寒保暖工 作。 明天白天，北京多云转阴，西部、北部有零星小雪或小雪，偏北风二至三级，最高气温4℃；夜间阴转 晴，偏北风二级转三至四级，最低气温-7℃。 后天，北京气温还将有所下降，最高气温0℃，最低气温-8℃。 昨天，北京天气晴到多云，南郊观象台白天最高气温为12.5°C，夜间最低气温-1.9°C，昼夜温差较大。 根据预报，今明天，寒潮将影响北京。其中，今天风力会明显增强，明天气温骤降。北京市气象台今晨 6时发布天气预报，预计，今天早晨至白天多云转晴，部分地区有扬沙，偏北风二级转四级左右，阵风 七级左右，最高气温11℃；夜间晴转多云 ...

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]