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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 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…
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New Aerosol Optical Depth Data Available for 4 ARM Sites
The colors represent aerosol optical depths measured at wavelengths of 415, 500, 615, 673, 870, and 1625 nanometers (nm) with the multifilter rotating shadowband radiometer on December 13, 2023, in La Jolla, California, during the EPCAPE campaign. Data plot is by Krista Gaustad, Pacific Northwest National Laboratory. The Aerosol Optical Depth (AOD) value-added product derived…
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Cloud Condensation Nuclei Vertical Profile Data Product Extended to ENA
This sample plot from ARM’s Eastern North Atlantic atmospheric observatory shows the retrieved number concentration of cloud condensation nuclei at 0.4% supersaturation for April 1, 2023. Data plot is by Gourihar Kulkarni, Pacific Northwest National Laboratory. The Retrieved Number concentration of Cloud Condensation Nuclei value-added product (RNCCN VAP) is now available for evaluation for the…
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Users Ask for New Arctic Aerosol Measurements, and ARM Listens
ARM installs set of aerosol instruments at neighboring NOAA facility in Utqiaġvik, Alaska ARM aerosol instruments are now installed at a NOAA facility at Utqiaġvik, Alaska, near ARM’s North Slope of Alaska atmospheric observatory. The instruments are an aerosol chemical speciation monitor (taking up most of this rack), an aerodynamic particle sizer (on a shelf…
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New Merged Product Integrates G-1 Flight Data
Aerosol concentration data from the G-1 ultrafine condensation particle counter are shown for an approximately three-hour flight on December 8, 2018, near Córdoba, Argentina, during the CACTI campaign. Image is from Krista Gaustad, Pacific Northwest National Laboratory. From 2010 until its final science mission in 2018, the Gulfstream-159 (G-1) aircraft served as the Atmospheric Radiation…
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New Plan Details ARM’s Aerosol Priorities for Fiscal Year 2025
This ARM Aerosol Observing System (AOS) is now collecting data in Alabama. ARM’s aerosol operations plan for fiscal year 2025 includes information on AOS operations in Alabama and at other ARM sites. Photo is by Mark Spychala, Argonne National Laboratory. The Atmospheric Radiation Measurement (ARM) user facility has released its aerosol operations plan for fiscal…
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ARM Data Services Completes Successful Fiscal Year 2024
Editor’s note: This is an update from ARM Chief Data and Computing Officer Giri Prakash. Photo of Giri Prakash is from Oak Ridge National Laboratory. I am pleased to share an overview of ARM Data Services’ significant accomplishments during fiscal year 2024 (FY2024). First and foremost, I extend my gratitude to the ARM staff and…