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Merged G-1 Flight Data Now in Production
Aerosol concentration data from the G-1 condensation particle counter are shown for an approximately three-hour flight on June 30, 2017, during the ACE-ENA field campaign. Image is from Fan Mei, Pacific Northwest National Laboratory. The Atmospheric Radiation Measurement (ARM) Aerial Facility (AAF) Merged value-added product (AAFMERGED VAP) has moved from evaluation to production. The VAP…
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New and Updated Cloud Droplet Number Concentration Data Available
This sample plot shows droplet number concentration from the EPCAPE ARM Mobile Facility site in La Jolla, California. Image is provided by Chitra Sivaraman, Pacific Northwest National Laboratory. The Droplet Number Concentration value-added product (NDROP VAP) has been processed for the 2023–2024 Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE) in La Jolla, California. In addition,…
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Large-Scale Forcing Data Released for EPCAPE Campaign
The map shows the variational analysis domain for the sigma version of VARANAL for the EPCAPE field campaign. Enclosed by the black dots, the domain is centered at the ARM Mobile Facility site (red star) on the Ellen Browning Scripps Memorial Pier in La Jolla, California. Also shown is the variational analysis domain for the…
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New Lidar Evaluation Data Product Provides Aerosol Features
The plot shows the aerosol features identified from the high-spectral-resolution lidar (HSRL) at the Southern Great Plains (SGP) atmospheric observatory on November 9, 2020. Panel a shows the particulate backscatter coefficient, and panel b is the associated signal-to-noise ratio (SNR). Panel c is the reflectivity factor from the Ka-Band ARM Zenith Radar (KAZR), and panel…
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Improved Broadband Irradiance Data Released for EPCAPE Campaign
ARM radiometers are visible on the roof of an ARM Mobile Facility instrument container on the Ellen Browning Scripps Memorial Pier in La Jolla, California. The pier hosted ARM instruments as part of the 2023–2024 EPCAPE campaign. Photo is by John Bilberry, Los Alamos National Laboratory. The Atmospheric Radiation Measurement (ARM) User Facility’s longtime recommended…
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New Tethered Balloon Merged Data Available From Oklahoma Flights
Instruments fly on a tethered balloon at ARM’s Southern Great Plains atmospheric observatory. Photo is by Brent Peterson, Sandia National Laboratories. New data from the Tethered Balloon System (TBS) Merged value-added product (TBSMERGED VAP) are available from flights at the Atmospheric Radiation Measurement (ARM) User Facility’s Southern Great Plains (SGP) atmospheric observatory. The TBSMERGED VAP…
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Aerosol Optical Depth Best Estimate Data in Production for NSA
Time series show the combined aerosol optical depths (AODs) generated for the North Slope of Alaska central facility at Utqiaġvik (top panel) and the Atqasuk site (bottom panel). Gaps in the time series are likely associated with seasonal data availability and quality, as well as required upgrades and replacements of ground-based instruments measuring AOD. Images…
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New ARM Best Estimate Data Available for 4 ARM Sites
ARMBEATM relative humidity (top) and surface precipitation (bottom) are shown for April through June 2023 during the EPCAPE campaign in La Jolla, California. Images were generated by Yuying Zhang, Lawrence Livermore National Laboratory. The Atmospheric Radiation Measurement (ARM) User Facility provides tailored datastreams known as ARM Best Estimate (ARMBE) data products for use in the…
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Enhanced Eddy Correlation Flux Product Available
Time series of surface sensible heat fluxes (top), latent heat fluxes (middle), and carbon dioxide fluxes (bottom) are shown from the ECOR and QCECOR value-added product at the Eastern North Atlantic atmospheric observatory on April 18, 2024. The gray line is original ECOR data. The black line represents corrected QCECOR data, and red x’s indicate…
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Doppler Lidar Data Products Released for 2 ARM Campaigns
Time-height displays show a) wind speed and b) wind direction from DLPROF-WIND on October 30, 2023, on the Ellen Browning Scripps Memorial Pier in La Jolla, California, during the EPCAPE campaign. Images are courtesy of Rob Newsom, Pacific Northwest National Laboratory. The Atmospheric Radiation Measurement (ARM) User Facility operates Doppler lidars (DLs) at its fixed…