News & Events

Data Announcements

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

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

New Cloud Optical Properties Data Released

This value-added product generates cloud optical depth for overcast liquid clouds using ARM multifilter rotating shadowband radiometer measurements.

16 July 2025

Cropped-in image of mean Doppler velocity (m/s) during TRACER case. Original image is from Meng Wang, Brookhaven National Laboratory.

Gridded Scanning Cloud Radar Products Released for TRACER Field Campaign

These products make it easier for scientists to use scanning ARM cloud radar observations from the 2021–2022 TRacking Aerosol Convection interactions ExpeRiment (TRACER).

7 July 2025

Crop of DLPROF-WIND image showing wind direction and speed

Processing of Doppler Lidar Wind Product Temporarily Shifts at SGP

Additional data from the Doppler Lidar Wind (DLPROF-WIND) value-added product are now available from the Southern Great Plains (SGP) atmospheric observatory because of a temporary change in instrument operations.

3 July 2025

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