中新网12月3日电 中国气象局12月3日召开12月新闻发布会，发布11月全国天气气候特征、未来十天及 12月气候趋势预测及气象服务提示，发布《中国温室气体公报(2024年)》等内容。国家气候中心副主任 高荣在发布会上介绍12月气候趋势预测。 高荣表示，气温方面，预计12月，东北地区中北部、内蒙古东部、新疆北部气温较常年同期偏低，其中 黑龙江北部、内蒙古东北部气温偏低1～2℃。我国其余大部地区气温接近常年同期到偏高，其中华北西 南部、华中中北部、西南地区北部和东部、西北地区南部、西藏东部等地偏高1～2℃。 12月南方大部地区降水持续偏少 需防范高森林火险和气象干旱 本文为转载内容，授权事宜请联系原著作权人 中新经纬版权所有，未经书面授权，任何单位及个人不得转载、摘编或以其它方式使用。 关注中新经纬微信公众号(微信搜索"中新经纬"或"jwview")，看更多精彩财经资讯。 二是关注北方雨雪天气过程。华北北部、东北地区大部、内蒙古大部、西北地区北部、新疆北部、西藏 西部等地降水较同期偏多。雨雪天气可能导致道路结冰湿滑，需防范对交通运输的不利影响。 三是防范南方高森林火险和气象干旱。12月，南方大部地区降水持续偏少， ...

Core Points - Jiangxi Province is experiencing moderate to severe meteorological drought in 32 counties since October, attributed to unusually high temperatures and low precipitation levels [1][2] - The average temperature in Jiangxi for October is reported at 28.2°C, which is 7°C higher than the historical average, marking the highest level since 1961 [1] - The average precipitation in the province is only 11 millimeters, which is 60% less than the normal levels for this time of year [1] Weather Impact - On October 13, a weak cold front brought thunderstorms and heavy rainfall to parts of Jiangxi, with 4 counties experiencing heavy rain and 28 counties reporting significant rainfall [2] - A significant drop in temperature is expected starting October 18, with average temperatures forecasted to decrease by 8°C to 10°C due to a strong cold front [2] - The weather conditions may affect the harvest of late rice and citrus fruits, prompting local authorities to prepare for autumn harvest activities [2]

Core Insights - Jiangxi Province is experiencing historically high average temperatures and an increased number of high-temperature days due to extreme global atmospheric circulation patterns [1][2] - The province has recorded an average temperature of 29.1°C since June 25, which is 2.2°C higher than the historical average, marking the highest level since 1961 [1] - The drought situation has worsened, with significant reductions in rainfall and a rapid development of meteorological drought conditions affecting agriculture and public health [2][3] Temperature and Rainfall Data - Since June 25, Jiangxi has experienced 61 days with temperatures above 35°C, which is 30 days more than the historical average [1] - The average rainfall in Jiangxi this year is 1168 mm, which is 24% lower than the historical average, making it the sixth lowest since 1961 [1] - From June 25 onwards, the average rainfall has been 274 mm, which is 42% lower than the historical average [1] Drought Impact - As of early September, drought conditions have affected 583,000 people, with 100,900 hectares of crops impacted and 4,500 hectares completely lost, resulting in direct economic losses of 460 million yuan [2][3] - The drought risk is distributed unevenly, with northern and central Jiangxi facing higher risk levels compared to southern regions [2] Response Measures - Since July, Jiangxi has conducted 1,443 artificial rain-making operations, impacting approximately 118,000 square kilometers and increasing rainfall by about 4.45 billion cubic meters [3] - Meteorological authorities predict continued high temperatures, with maximum temperatures reaching 35 to 37°C in most areas from October 10 to 13, and a slight decrease expected after October 18 due to cold air influence [3]

Core Insights - The article discusses the extreme high temperatures and humidity experienced in China during the current summer season, particularly during the "Sanfu" period, which includes the initial, middle, and final phases of high heat [1][3]. Temperature Trends - The middle phase of "Sanfu," from July 30 to August 8, saw significant temperature increases across most of China, with regions like eastern Sichuan, western Chongqing, and southern Shaanxi experiencing average temperatures over 4°C higher than the historical norm [3]. - As of August 7, 94 national meteorological stations in areas such as Sichuan, Chongqing, and Henan have broken local records for the highest temperatures in August, with Chongqing recording a peak of 44.2°C on August 4 [3]. Drought Conditions - Due to the combination of high temperatures and low rainfall, regions including Shaanxi, Henan, Sichuan, and Chongqing are facing severe meteorological drought conditions [5]. Future Weather Predictions - As the "Sanfu" period progresses, the subtropical high pressure is expected to shift southward, leading to increased cold air and rainfall in northern regions, which will significantly reduce high temperatures [5]. - However, southern areas, particularly the Sichuan Basin and Jiangnan, are predicted to continue experiencing extensive high temperatures, with some regions facing 5 to 8 consecutive days of extreme heat [5]. Public Advisory - Meteorological experts advise the public to avoid outdoor activities during peak heat hours and to manage indoor temperatures to prevent discomfort due to temperature fluctuations [5].

Summary of Key Points Core Viewpoint - A significant rainfall event is occurring in northern China, particularly in the North China and Huanghuai regions, with warnings issued for severe weather conditions. The rain is expected to shift southward, affecting areas such as Anhui, Jiangsu, and Hubei in the coming days [1][2][3]. Group 1: Rainfall and Weather Alerts - The Central Meteorological Observatory has issued a yellow warning for heavy rain and a blue warning for severe convective weather [1]. - Rainfall has been recorded in various northern regions, with some areas experiencing over 200 millimeters of rain, particularly in cities like Zhengzhou and Lanzhou [2]. - The rainfall is expected to intensify in the Huanghuai, Jianghuai, and Jianghan regions starting tomorrow, with potential for thunderstorms and strong winds [3]. Group 2: Temperature Changes - Due to the ongoing rainfall, northern regions will experience a temporary relief from high temperatures, while southern regions are expected to see a resurgence of heat as rainfall subsides [4]. - The highest temperatures recorded today in Gansu and Qinghai were 24°C and 19°C, respectively, indicating a cooler climate in the north [4]. - Southern cities like Hangzhou, Nanchang, and Fuzhou are forecasted to experience high temperatures again, with minimum temperatures around 28°C [4]. Group 3: Public Safety Recommendations - Meteorological departments advise the public to remain vigilant regarding weather alerts and to carry rain gear when outdoors [3]. - Outdoor workers are encouraged to use portable cooling devices and stay hydrated to combat the heat, especially in southern regions where high temperatures persist [5].

Group 1 - The core viewpoint is that high-temperature weather will continue across various regions in China, affecting both northern and southern areas, with significant impacts expected on agriculture and energy consumption [1][3][5] - As of August 6, high temperatures ranging from 35 to 40 degrees Celsius have been recorded in regions such as Beijing-Tianjin-Hebei, eastern Henan, northern Anhui, northern Jiangsu, Shanghai, Zhejiang, Hubei, Chongqing, Sichuan Basin, and Shaanxi [1][3] - Experts predict that high temperatures will persist until September, with both daytime and nighttime temperatures remaining high, necessitating preparations for heat prevention and potential peaks in electricity usage [5][6] Group 2 - There is a concern that the ongoing high temperatures may adversely affect the harvest of autumn crops, particularly in regions experiencing drought conditions [5][6] - In areas like Henan and the Sanjiang Plain in Northeast China, there are indications of a transition from meteorological drought to agricultural drought, highlighting the need for timely rainfall [6]

Summary of Key Points Core Viewpoint - In July 2023, the average temperature in Henan province reached 30.5℃, which is 3.2℃ higher than the normal level for the same period, marking the highest temperature recorded since 1961 [1] Group 1: Weather Conditions - The high temperatures have led to severe drought conditions, with 55% of weather stations in Henan experiencing moderate to severe drought [1] - Areas such as Zhumadian, Zhoukou, and most parts of Luohe are facing extreme drought conditions [1]

Core Points - The article discusses the extreme high temperatures in China since July 11, with areas experiencing temperatures above 40°C covering 407,000 square kilometers and 152 national meteorological stations recording such temperatures [1][2][3] - It highlights the forecast for continued high temperatures in late July and early August, particularly in regions like North China, East China, and parts of Xinjiang, with some areas potentially breaking historical temperature records [3][6] Temperature Trends - Since July 11, high temperatures above 40°C have been primarily observed in southeastern Shaanxi, central-western Hubei, northeastern and western Chongqing, eastern Xinjiang, and western Inner Mongolia [1][2] - The average number of high-temperature days nationwide has reached 8.5 days, the highest for the same period historically, with an average temperature of 16.8°C, the second highest historically [2][5] - Notable temperature records include 43.1°C in Shaanxi and 42.9°C in Hubei, with 45 national meteorological stations reporting record high temperatures [2][3] Rainfall and Weather Patterns - The article notes that the rainy season has started earlier than usual, with a national average rainfall of 303.9 mm, which is 6.2% less than the historical average [5][6] - There have been significant localized heavy rainfalls, with 153 national meteorological stations reporting record daily rainfall amounts, including 358.3 mm in Hubei [5][6] - The forecast for the next ten days predicts substantial rainfall in various regions, with some areas expecting 60-100 mm and localized amounts exceeding 200 mm [6]

Summary of Key Points Core Viewpoint - The China Meteorological Administration predicts significant weather events for July, including increased rainfall in certain regions, potential typhoons, and risks of extreme weather conditions affecting agriculture and public safety [1][2][3][4]. Group 1: Precipitation and Temperature Trends - In July, regions such as Northeast China, western Inner Mongolia, and parts of North China are expected to experience rainfall 20-50% above the historical average, while areas like southern Jiangsu and northern Hunan may see rainfall 20-50% below average [1] - Most of the country will have temperatures close to or above the historical average, with specific areas experiencing temperatures 1-2°C higher than normal [1] Group 2: Typhoon Activity - An estimated 4-5 typhoons are expected to form in the Northwest Pacific and South China Sea, which is above the historical average of 3.8 typhoons, with 2-3 expected to make landfall or impact coastal regions [2] Group 3: Weather-Related Risks - There are four key areas of concern for July: 1. **Flooding and Secondary Disasters**: Increased rainfall in several regions raises the risk of flooding and related disasters, particularly in river basins like the Liao and Yellow Rivers [3] 2. **Heatwaves**: High temperatures are anticipated in East and Central China, necessitating measures for heat protection and energy supply management [3] 3. **Typhoon Preparedness**: With the forecast of typhoons, emergency plans are recommended to mitigate potential damage from heavy rain and strong winds [3] 4. **Drought Management**: Certain areas are experiencing moderate to severe drought conditions, with recommendations for water management and drought response plans [4]

Group 1 - The core viewpoint of the articles is that the Meiyu season in China has started earlier than usual this year, with significant rainfall expected in various regions, which may alleviate drought conditions in some areas [1][2] - The Meiyu season began on June 7 in the Jiangnan and the middle and lower reaches of the Yangtze River, which is earlier by 2 and 7 days compared to the average, respectively [1] - The climate center predicts that the rain belt will shift northward, with heavy rainfall expected in the Huanghuai, North China, and southern Northeast regions in July [1] Group 2 - The climate center warns that the northward shift of the main flood season rain belt does not indicate a weakening of the Meiyu, but rather an increased risk of extreme precipitation events [2] - After the onset of Meiyu, strong convective weather such as short-term heavy rainfall, thunderstorms, and hail is expected to occur frequently, necessitating preparedness for flood prevention and geological disaster management [2] - The onset of the Meiyu season is expected to alleviate drought conditions in the eastern Southwest and Huanghuai regions, while drought in the southeastern Northwest is likely to persist due to weaker rainfall [2]