据介绍，基于风云四号卫星数据，深度扩散模型实现了对我国及周边区域约2000万平方千米区域、未来 4小时内每15分钟一次的高分辨率对流预报，在不同空间尺度（4000米至48000米）和不同季节均表现出 稳定的预报能力，不仅在短时预报中表现优异，在2小时至4小时的较长时效预报中仍然保持较高的可信 度。 "强对流天气具有突发性强、演变迅速、破坏力大等特点，其临近预报的核心挑战，在于捕捉中小尺度 系统的快速非线性演变。"王劲松说，研究团队利用风云四号系列卫星大范围、无缝隙的监测优势，获 取长时效数据，并从海量卫星数据中提取并预测对流云团的复杂随机运动。 为提升预报精度，研究团队引入近年来在图像生成领域表现卓越的扩散模型，提出了面向卫星数据的深 度扩散模型。 这一模型将对流云演变过程中呈现的随机运动趋势建模为一种物理扩散过程，利用风云四号A星过去2 小时的红外亮温序列，预判未来4小时对流云的时空演变。在此基础上，结合深度语义分割模型，对预 测得到的卫星序列开展对流云的自动识别与空间定位，精准刻画对流云的生成与发展过程。 本文转自【新华网】； 新华社北京1月5日电（记者刘诗平）精准预报强对流天气是国际气象领域的一道难题。 ...

Core Insights - The news highlights the significant advancements of China's Fengyun meteorological satellites, which now serve 133 countries and regions, showcasing China's transformation from a follower to a leader in meteorological technology [1] Group 1: Technological Advancements in Agriculture - The Fengyun satellite system enables real-time monitoring of crop conditions, allowing farmers to make informed decisions regarding irrigation and fertilization, thus transitioning traditional agriculture to smart agriculture [2] - The use of satellite-guided precision fertilization has reduced chemical fertilizer usage in Northeast China, while remote sensing has improved irrigation efficiency in arid regions [2] Group 2: Disaster Prevention and Response - The Fengyun-4 satellite has improved the monitoring and identification of severe weather events, reducing the time for disaster warnings to as little as 5 minutes and enhancing severe weather alerts by 40 minutes [3] - The satellite's rapid imaging capabilities allow for real-time emergency responses, playing a crucial role in disaster management and reporting [3] Group 3: Ecological Monitoring and Protection - Fengyun satellites serve as "space sentinels" for ecological protection, providing data for environmental assessments and monitoring changes in ecological conditions [4] - The satellite data supports initiatives like ecological red lines and tracking carbon neutrality goals, contributing to sustainable development [4] Group 4: Enhancing Public Services - The Fengyun-3 G satellite's precipitation measurement radar fills a gap in precipitation detection, providing accessible agricultural weather information to rural farmers and aiding livestock herders and fishermen [5] - These services exemplify the satellite's role in bridging the gap between advanced technology and everyday life, enhancing public welfare [5] Group 5: Space Weather Monitoring - Fengyun satellites also monitor space weather, providing critical data for major space missions and enhancing the safety of satellite navigation and aerospace operations [6] - The upcoming launch of the world's first space weather AI model, "Fengyu," is expected to significantly improve forecasting accuracy [6] Group 6: Global Contribution and Future Outlook - China is transitioning from a "follower" to a "contributor" in global meteorological governance, sharing Fengyun satellite data through the World Meteorological Organization [7] - The Fengyun-2 H satellite and Fengyun-4 A satellite are pivotal in providing meteorological support for regional and international initiatives, with a high satisfaction rate among international users [7] - Future developments in the next generation of Fengyun satellites are anticipated to further enhance China's capabilities in meteorological services and global cooperation [7]

Group 1 - The super typhoon "Haikui" is prompting regions like Guangdong, Guangxi, Hainan, and Fujian to take extensive measures for disaster prevention and mitigation [1] - Companies are leveraging hard technology to enhance disaster response, creating a comprehensive monitoring and early warning system [1][2] - The Fengyun-4 satellite, known as the "eye in the sky," provides precise observations of the typhoon's characteristics, aiding in the issuance of warning information [1] Group 2 - The "Tianmu-1" satellite data has been integrated into the China Meteorological Administration's global numerical weather prediction system, enhancing weather forecasting capabilities [2] - The development of a three-dimensional observation system combined with AI models has transformed typhoon monitoring into a precise and data-driven process [2] - Insurance companies, such as Ping An Insurance, are proactively sending warnings and disaster prevention guidelines to over 20 million people to minimize potential losses [2][3] Group 3 - Ping An Insurance has launched a "waterlogging black spot" early warning service using its Eagle Eye System 3.0, identifying over 3,500 black spots to reduce losses [3] - The Eagle Eye System 3.0 integrates machine learning and rainfall forecasting models to produce high-resolution forecasts for urban disaster prevention [3] - Environmental service companies like Hanlan Environment are utilizing smart platforms for 24-hour monitoring and early warning to ensure efficient emergency response [3]