从气象数据解读2026年首场寒潮 我国气象观测预报技术“向新向智”迭代升级

Group 1 - The recent cold wave in China has led to significant temperature drops across the country, with average daily temperatures falling by 6℃ to 10℃ in most areas, and some regions experiencing drops of 12℃ to 20℃ [2][5] - A total of over 7000 weather warnings related to road icing, strong winds, and heavy snow were issued during the cold wave, indicating the extensive impact of this weather event [1][2] - The cold wave has resulted in record low temperatures in 20 major cities, with the most severe drop recorded in Gansu, where temperatures fell to -41.3℃ in certain observation stations [5][2] Group 2 - The cold wave has also brought widespread rain and snow, with significant regional differences in precipitation types; areas like Xinjiang and Northeast China experienced mainly snowfall, while regions like Anhui and Jiangsu saw sleet [8] - The maximum snow depth recorded was 20 centimeters in Beijing, with several other locations also reporting significant snow accumulation [8] - The cold wave's impact on infrastructure is compounded by the combination of low temperatures and precipitation, leading to complex disaster scenarios affecting power, communication, and transportation sectors [15] Group 3 - Advances in meteorological observation and forecasting technology have improved the accuracy and efficiency of winter precipitation forecasts, addressing critical questions about road conditions and ice accumulation [17][21] - Beijing has upgraded its winter precipitation observation equipment to enhance monitoring capabilities, allowing for continuous observation of snow depth and ice accumulation [18] - The development of a comprehensive forecasting system that extends from precipitation elements to impact forecasts is underway, catering to specific needs in sectors like transportation and power [21][23]