Group 1 - A new cold air mass has begun to affect northern and eastern regions of China, primarily causing strong winds and temperature drops in areas such as North China, Northeast China, and Huanghuai [1] - Initial temperature drops were observed in Inner Mongolia, with decreases ranging from 2°C to 6°C, and further drops of 4°C to 10°C are expected in Northeast and North China [1] - By the 27th, the cold air will move eastward, affecting Northeast China with temperature drops of 2°C to 6°C, potentially leading to new low maximum temperatures since the beginning of autumn [1] Group 2 - Following the cold air impact, temperatures are expected to gradually rise from the 28th to the 29th, with many areas returning to normal or slightly above normal levels [2] - The highest temperature line of 20°C may return to the western part of Huanghuai by the day after tomorrow [2] - Residents are advised to take precautions against the wind and keep warm by wearing hats and gloves [2]

Core Viewpoint - The upcoming weather changes in China will bring significant snowfall and temperature drops, particularly in the northern regions, affecting daily life and agricultural activities [1][2][5]. Weather Forecast - Strong snowfall is expected in Inner Mongolia's northeastern region and Heilongjiang, with the cold air moving southward [1][2]. - The Central Meteorological Observatory predicts small to moderate snow or sleet in various areas, with some regions experiencing heavy to blizzard conditions [2][4]. - Rainy weather will persist in southwestern regions, while the rain and snow will gradually shift southward [2]. Temperature Changes - A notable drop in temperatures is anticipated across North China and Northeast China, with decreases of 4 to 8 degrees Celsius, and in some areas, over 10 degrees Celsius [5]. - Specific cities like Taiyuan will experience their first 0°C temperature since autumn, while Shijiazhuang's minimum temperature will drop to 3°C, setting a new low [5]. - In contrast, the southeastern regions will see a quick rebound in temperatures after the rain, with increases of 4 to 8 degrees Celsius [5]. Public Advisory - Meteorological departments advise the public to be cautious of the impacts of snow on agriculture, livestock, and transportation safety, urging people to take precautions against cold weather [6].

Group 1 - A new cold air mass has arrived, primarily affecting northern regions of China, while southern areas remain warm with temperatures reaching around 30°C in places like Guangdong and Hainan [1][3] - Northern cities such as Changchun and Shenyang are expected to experience their lowest temperatures of the year, with highs of 4°C and 8°C respectively [3] - The overall trend for the coming days indicates a gradual warming in the central and eastern regions of China, with temperatures expected to return to normal or slightly above normal levels after October 28 [3] Group 2 - Fog and haze are anticipated in northern regions during the intervals between cold air impacts, particularly affecting areas like southern Hebei and most of Shandong [5] - Historically, from September to February, northern China experiences a significant number of foggy days, with cities like Shijiazhuang and Tianjin seeing over 80% of their annual fog days during autumn and winter [5] - Snowfall is expected in northeastern Inner Mongolia and northern Heilongjiang due to the new cold air, with localized heavy snow possible [6] Group 3 - The southwestern region of China is forecasted to have frequent rainfall in the last days of October, particularly in areas like Sichuan and Yunnan, with precipitation expected over 4 to 7 days [6]

Core Points - A new cold air mass is affecting northern China, leading to significant temperature drops and snowfall in various regions [6][1] - The temperature in many northern areas is expected to reach new lows, with some places dropping below freezing for the first time this season [6][1] - Continuous snowfall is anticipated in the eastern part of the Tibetan Plateau, with heavy snow expected in Inner Mongolia and Heilongjiang [2][4] Summary by Sections Weather Impact - The cold air mass will cause temperatures to drop by 4°C to 6°C in northern regions, with some areas experiencing drops of over 8°C [6] - Cities like Changchun and Shenyang are expected to set new low temperatures since autumn began, with Taiyuan dropping to freezing and Xining below zero [6][1] Snowfall Forecast - Continuous snowfall is forecasted for the eastern Tibetan Plateau, with moderate to heavy snow expected in parts of Inner Mongolia and Heilongjiang [2][4] - Areas such as Qinghai and Gansu will see varying snowfall, with some regions experiencing blizzards [4][5] Agricultural and Transportation Concerns - The meteorological department warns of the impact of ongoing snowfall on agricultural facilities, livestock, and transportation safety in affected regions [5]

气象部门提醒，新一股冷空气影响北方，部分地区气温将跌破冰点，公众请注意防寒保暖，及时添衣， 谨防因气温剧烈变化引发的呼吸系统和心脑血管等疾病。(完) 新一股冷空气来袭 中国北方多地刷新气温新低 中新社北京10月25日电 (记者 陈溯)中国中东部大部地区近日气温持续偏低。记者25日从中国气象局获 悉，新一股冷空气开始影响中国，预计25日至27日，北方局地降温8℃以上，多地将再度刷新气温新 低。 过去一周，内蒙古到东北地区、华北平原一带气温普遍较常年同期偏低4℃以上，内蒙古中部偏北地区 偏低幅度在8℃以上。24日早晨，哈尔滨、长春、合肥、成都、昆明等地气温刷新今年立秋后新低。 中央气象台预计，新一股冷空气将开始影响中国，预计25日至27日，冷空气影响内蒙古中东部、东北地 区、华北、黄淮等地，上述地区有4至6级风，阵风7至8级，局地可达9级，部分地区气温下降4至6℃， 局地降温8℃以上。 本轮降温后，北方多地气温将再创新低，26日、27日，北京、太原、西宁等城市最低气温将降至0℃甚 至冰点以下。 受冷空气影响，北方多地还将出现雨雪天气。中央气象台预计，25日、26日，青藏高原东部的降雪仍将 持续，青海北部、甘肃中部 ...

Summary of Key Points Core Viewpoint - The Central Meteorological Administration forecasts significant cold air impacts across various regions in China, including Inner Mongolia, Northeast China, North China, and the Huanghuai area, leading to strong winds and temperature drops [1][4]. Group 1: Weather Forecast - From October 25 to 26, areas such as eastern and southern Qinghai, northern and eastern Tibet, and central and southern Gansu are expected to experience light to moderate snow or sleet, with some regions facing heavy snow and local blizzards [1]. - Starting today until October 27, cold air will affect central and eastern Inner Mongolia, Northeast China, North China, and Huanghuai, with wind speeds of 4 to 6 levels, gusts reaching 7 to 8 levels, and localized gusts up to 9 levels [4]. - Temperature drops of 4 to 6 degrees Celsius are anticipated in some areas, with local drops exceeding 8 degrees Celsius [4]. Group 2: Visibility and Air Quality - Prior to the cold air impact, areas in North China and Huanghuai will experience fog and haze, with significant visibility reductions in regions such as southern Hebei, southern Beijing, and central Shaanxi [4]. - This morning and into the afternoon, heavy fog is expected in southern Hebei, southern Beijing, and central Guizhou, with visibility potentially dropping below 200 meters in some areas [4].

Group 1 - A new cold air mass is set to impact northern China starting October 25, leading to a significant drop in temperatures across multiple regions [1][6] - Many areas in northern China are expected to experience record low temperatures, with cities like Taiyuan and Xining potentially dropping to freezing or below [1][6] - The northeastern regions, including Inner Mongolia and Heilongjiang, will see significant snowfall, with some areas experiencing heavy snow [2][3][5] Group 2 - The cold air will result in temperature decreases of 4 to 6 degrees Celsius in various regions, with some areas experiencing drops of over 8 degrees Celsius [6] - The weather forecast indicates that cities such as Changchun and Shenyang will set new low temperature records since the beginning of autumn [6] - In contrast, southern China will see a temperature rebound, with maximum temperatures returning to normal levels, reaching around 25 to 28 degrees Celsius in places like Guangzhou [6]

央视网消息：这几天，我国大部地区气温频繁刷新立秋后新低。而10月25日起，又将有新一股冷空 气来袭，华北、东北、黄淮等地将有4～6℃降温，局地降幅可达8℃以上，中东部大部地区平均气温较 常年同期偏低1～3℃。多地提前供暖，确保居民温暖过冬。 ...

Group 1 - The strongest cold air mass of the year has swept across most parts of China since October 15, causing temperatures to drop significantly, with many regions experiencing weather typical of November or even December [1][5] - The cold air's influence is expected to end around October 22, with temperatures gradually rising, although the warming effect will be weak [1] - A new round of cold air is forecasted to impact northern regions from October 25 to 26, bringing temperature drops of 4°C to 6°C, with some areas experiencing drops of around 8°C [3] Group 2 - A national "blanket map" has been released, indicating that northern regions require thicker blankets, while southern regions may use thinner blankets or throws depending on the situation [4] - The cold air has led to a seasonal temperature drop, prompting many people to express surprise at the sudden cold and the need for thicker bedding [5] - The blanket map suggests that most of northern China will experience single-digit minimum temperatures, while southern regions will still have nighttime temperatures above 20°C, indicating a need for appropriate bedding to prevent cold [7]

Core Points - The arrival of the Frost Descent solar term marks the end of autumn and the beginning of winter in China, with significant temperature fluctuations expected [1] - Cold air is forecasted to impact northern regions from October 25 to 27, bringing temperature drops and strong winds [2] Weather Conditions - The Frost Descent period is characterized by the largest temperature differences between day and night, with initial frost already observed in several regions before the solar term [1] - Areas such as Hebei, Shandong, Shanxi, and Henan are expected to experience initial frost during the Frost Descent [1] - Rain and snow are primarily affecting the eastern part of the Tibetan Plateau, with forecasts of light to moderate snow in several provinces [1] Temperature Changes - The strongest cold air mass of the second half of the year has already caused temperatures to drop to levels typical of November and December across much of the country [2] - Specific regions, including Inner Mongolia and Northeast China, are expected to see temperature drops of 4°C to 6°C, with local areas experiencing drops exceeding 8°C [2]