News & Events

Data Announcements

A cropped-in image showing parts of two data panels with lines for irradiance and albedo

New Radiative Flux Analysis Data Released

This value-added product calculates clear-sky irradiance in shortwave and longwave surface fluxes from measured broadband irradiance at ARM sites.

8 August 2025

A time-series plot showing aerosol absorption coefficient at three wavelengths: 464, 529, and 648 nanometers

Aerosol Optical Properties Data Produced for 2 Ongoing ARM Deployments

The Aerosol Optical Properties (AOP) value-added product is now available for ARM’s Bankhead National Forest atmospheric observatory in Alabama and the Coast-Urban-Rural Atmospheric Gradient Experiment (CoURAGE) in the Baltimore, Maryland, area.

31 July 2025

Lines show back trajectory ensemble means for ARM Mobile Facility deployments in Alabama (green), Tasmania (blue), and Maryland (purple). Image was generated by Israel Silber, Pacific Northwest National Laboratory, using a Web Map Tile Service (https://gitc.earthdata.nasa.gov/wmts/epsg4326/best/) and Cartopy.

New ARM Trajectory Data Now Available for Evaluation

The multipurpose ARM trajectory (ARMTRAJ) value-added product now consists of six trajectory data sets to support atmospheric research using ARM data.

18 July 2025

$Cloud optical properties are shown for April 17, 2023, during the EPCAPE campaign. This cropped-in image shows cloud fraction and base height, and liquid water path. Panels were plotted by Damao Zhang, Pacific Northwest National Laboratory.$