Automated Surface Observing System (ASOS) IMPACTS

The Automated Surface Observing Systems (ASOS) IMPACTS dataset consists of a variety of ground-based observations during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S. Atlantic coast. IMPACTS aimed to (1) Provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution; (2) Examine how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands; and (3) Improve snowfall remote sensing interpretation and modeling to significantly advance prediction capabilities. This ASOS dataset consists of 176 stations within the IMPACTS domain. Each station provides observations of surface temperature, dew point, precipitation, wind direction, wind speed, wind gust, sea level pressure, and the observed weather code. The ASOS data are available from December 29, 2019, through March 1, 2023, in netCDF-4 format.

自动地面观测系统（ASOS）IMPACTS数据集由在调查大西洋沿岸威胁性暴风雪的微物理和降水（IMPACTS）现场战役期间所进行的多种地面观测组成。IMPACTS是一项为期三年的冬季部署序列，旨在研究美国大西洋沿岸的暴风雪。IMPACTS的目标在于（1）提供对理解雪带形成、组织及演化的关键观测；（2）考察雪粒子在雪带中的微物理特性和可能的增长机制如何变化；（3）提升降雪遥感解释和建模，以显著推进预测能力。该ASOS数据集包含IMPACTS域内的176个站点的观测数据。每个站点提供地表温度、露点、降水、风向、风速、阵风、海平面气压以及观测到的天气代码。ASOS数据以netCDF-4格式，自2019年12月29日起至2023年3月1日止均可用。