Summary of Key Points Core Viewpoint - The article discusses the recent weather conditions in China, particularly focusing on the occurrence of dense fog in several regions, the expected changes in weather patterns, and the implications for air quality and temperature fluctuations. Group 1: Weather Conditions - Multiple regions including Beijing, Tianjin, Hebei, Henan, Shandong, Jiangsu, Anhui, and Hubei experienced dense fog, with visibility dropping below 50 meters in areas like Tongzhou, Dezhou, Shangqiu, Bengbu, and Huainan [1][3] - A red alert for fog was issued in Julu County, Hebei, indicating severe visibility issues [3] Group 2: Future Weather Predictions - Following the fog, the weather is expected to improve due to sunlight and weak cold air, with no significant smog forecasted for the next few days [3] - However, from November 4 to 7, the air quality in North China and the Huanghuai region is predicted to deteriorate again, leading to the return of fog and haze [5] Group 3: Temperature Trends - The temperature in central and southern North China is currently around or above 20°C, marking a recent high [8] - A significant drop in temperature is anticipated next week due to a strong cold air mass, with expected decreases of 4 to 8°C in many areas, and localized drops exceeding 10°C [8] Group 4: Rainfall and Flood Risks - From November 2 to 4, heavy rainfall is expected in the eastern Southwest, central and southern Jiangnan, eastern Guangxi, western Guangdong, and Hainan, with cumulative precipitation reaching 30 to 80 millimeters, and localized areas in Yunnan and Hainan potentially exceeding 200 millimeters [9][13] - The rainfall may lead to significant flooding risks in certain regions, particularly in Yunnan and southern Sichuan, where the rainfall could surpass the total for the entire month of October [13] Group 5: Tropical Weather Developments - The Japan Meteorological Agency has classified a tropical disturbance east of the Philippines as a tropical depression, which is expected to develop into Typhoon "Haigui" by November 5, with potential impacts on the South China Sea [14]

Group 1 - The central meteorological station reported snowfall and sleet in various regions including eastern Tibet, western Sichuan Plateau, southern Qinghai, northeastern Inner Mongolia, Heilongjiang, and western Xinjiang on October 30 [1] - From October 30 to 31, rain and snow are expected to intensify in the southern and eastern parts of the Tibetan Plateau, with moderate to heavy snow or sleet in southern and central eastern Tibet, southern Qinghai, and northern western Sichuan Plateau, with localized heavy or blizzard conditions [1] - A strong cold air mass is anticipated to affect most parts of China around November 7, leading to a temperature drop of 4 to 8 degrees Celsius in most areas north of the Yangtze River, with localized drops exceeding 10 degrees Celsius [3] Group 2 - Over the next three days, weak cold air will cause temperature drops of 2 to 4 degrees Celsius in regions such as Inner Mongolia, southern Northeast China, northern Shaanxi, and northern North China, with localized drops around 6 degrees Celsius [4] - Areas including eastern Inner Mongolia, most of Heilongjiang, and Jilin will experience light to moderate snow or sleet, with heavy snow in parts of western and southern Heilongjiang and eastern Jilin [4] - Experts warn of continuous rain and snow in eastern Tibet, with expected new snow accumulation of 2 to 6 centimeters, and localized depths reaching 8 to 15 centimeters, advising the public to clear snow from roofs to prevent collapses [5]

Summary of Key Points Core Viewpoint - The upcoming three days (October 29 to 31) will see frequent rain and snow in parts of the Tibetan Plateau, while precipitation will increase in the central and eastern regions of China, necessitating public attention to travel safety during inclement weather [1][2][7]. Weather Conditions - Significant snowfall was reported in parts of the Tibetan Plateau, with light to moderate snow or sleet observed in regions such as eastern Tibet and northern Sichuan Plateau [2][4]. - The Central Meteorological Observatory forecasts continued widespread rain and snow in the Tibetan Plateau, with central and eastern China experiencing increased precipitation, primarily light to moderate rain [2][6]. Temperature Changes - Southern regions will experience a slight drop in temperatures due to increased rainfall, with maximum temperatures in cities like Guiyang and Changsha expected to decrease significantly [5][8]. - A cold air mass is anticipated to impact central and eastern China later this week, leading to temperature drops of 4 to 6 degrees Celsius, with some areas experiencing drops exceeding 8 degrees Celsius [5][8]. Public Advisory - Meteorological authorities have advised the public to take precautions against cold weather and to be aware of the potential impacts of snow on transportation and agriculture [7].

央视网消息：10月27日，冷空气继续影响中国，降温主要集中在东北一带，黑龙江等地有小到中雪或雨夹雪，局地大雪。其他大部地区将 开启升温模式，气温陆续回归常年同期平均水平，29日前后，南方多地最高气温可升至25℃以上，但月底还将有一股冷空气来袭。 冷空气影响东北地区 青藏高原有持续雨雪 目前中国大部地区气温仍处在偏低状态，27日，降温区域主要集中在东北地区，气温持续偏低4至8℃左右，北方多地最高气温将继续刷新 下半年来的新低。哈尔滨、天津、太原等地27日最低气温都在零摄氏度以下。此外，10月28日至11月2日，青藏高原中东部等地将有持续雨雪 天气，西藏东部、川西高原北部的部分地区有大到暴雪，局地有大暴雪。 黑龙江多地出现持续强降雪天气 黑龙江大兴安岭地区出现持续强降雪天气，平均积雪厚度达6.5厘米。针对此次强降雪，当地启动清雪除冰应急预案，确保道路安全。目 前，各城区主要路段畅通。根据当地气象台预测，未来一周还会出现降雪天气。25日上午开始，黑龙江漠河迎来降雪天气，漠河气象部门发布 暴雪蓝色预警信号和道路冰雪黄色预警信号，截至26日上午，漠河市区达到中雪级别，北极村达到暴雪级别，交通、公安、环卫等部门不间断 对 ...

Core Points - The article discusses the ongoing cold weather in Northeast China, with temperatures significantly below normal levels, particularly in cities like Changchun, where highs are only 4 to 5 degrees Celsius [3] - A warming trend is expected to begin in the coming days across most regions, with southern areas potentially reaching temperatures above 25 degrees Celsius by the end of the month [3] - The article highlights the forecast for increased snowfall in the Tibetan Plateau and parts of Inner Mongolia, with some areas experiencing heavy snowfall [4][5] Summary by Sections Northeast Weather Conditions - Northeast China is experiencing a significant drop in temperatures, with a decrease of 4 to 8 degrees Celsius compared to normal [3] - Major cities like Changchun are seeing record low temperatures for the past six months, with highs around 4 to 5 degrees Celsius and lows below freezing [3] Warming Trend - Following the current cold spell, temperatures in the northern regions are expected to gradually rise, while southern regions have not been affected by the cold air and are experiencing slight increases in temperature [3] - By October 29, temperatures in northern areas may rise to around 20 degrees Celsius, with southern regions reaching above 25 degrees Celsius [3] Snowfall Forecast - The article warns of an impending increase in rain and snow in the Tibetan Plateau, with some areas likely to experience heavy snowfall [4][5] - Specific regions such as the eastern part of Tibet and the northern part of the Sichuan Plateau are expected to see significant snowfall, with local areas potentially facing blizzard conditions [5][6]

Core Viewpoint - The weather in Zhejiang province is transitioning from a pleasant autumn to a colder period, with significant temperature fluctuations expected in the coming days [1][2]. Weather Conditions - The recent weekend was described as the best since the onset of autumn, with temperatures in Hangzhou reaching a high of 18.6°C and occasional light rain enhancing the autumn atmosphere [1]. - The upcoming week will see a return of clear skies and rising temperatures, with highs expected to reach 23-24°C before the end of the month [1]. - From October 28 to 29, the weather will be predominantly sunny across the province, with many areas experiencing temperatures above 25°C [1]. Upcoming Weather Changes - A new cold front is anticipated to arrive later in the week, bringing rain and a significant drop in temperatures from November 1 to 3 [2]. - The autumn season in Hangzhou has started 16 days later than the average date from 1991 to 2020, raising concerns about a potentially shortened autumn [2]. - The length of the autumn season will ultimately depend on when winter begins, as both the start and end dates are crucial for determining seasonal length [2].

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]