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Roger Marchand: Southern Ocean Investigator
One observationalist looks to improve the modeling of cloud cover over stormy Southern Hemisphere seas Editor’s note (April 24, 2024): From April 2024 to September 2025, Roger Marchand is co-leading a new ARM campaign in Tasmania, the Cloud And Precipitation Experiment at kennaook (CAPE-k). ARM originally published the following profile of Marchand on January 20,…
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Register for CoURAGE Science Team Meeting
The first Coast-Urban-Rural Atmospheric Gradient Experiment (CoURAGE) science team meeting will be held June 6, 2024, at Johns Hopkins University in Baltimore, Maryland. There is an online attendance option as well. Registration for in-person or virtual attendance is open until May 1. There is no cost to register. CoURAGE science team meeting attendees are also encouraged to…
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Cloud Type Classification Product Released for MOSAiC, TRACER, and SAIL Campaigns
The Cloud Type Classification value-added product (CLDTYPE VAP) is now available for the following three field campaigns: the 2019–2020 Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition in the central Arctic the 2021–2022 TRacking Aerosol Convection interactions ExpeRiment (TRACER) near Houston, Texas the 2021–2023 Surface Atmosphere Integrated Field Laboratory (SAIL) campaign near…
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Submit Nominations for 2024 ARM Service Awards
The leadership of the Atmospheric Radiation Measurement (ARM) user facility again seeks nominations to recognize ARM staff for their outstanding service to ARM and its users. This will be the sixth consecutive year of the ARM Service Awards, which honor individuals or teams for exceptional efforts to support their colleagues and the user community. Examples…
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Calibrations Help Keep ARM Instruments in Tip-Top Shape
In response to community feedback, ARM is committed to making its calibration processes more transparent The Atmospheric Radiation Measurement (ARM) user facility has a robust calibration ecosystem for its instruments. Regular calibration to established standards or reference instruments and ongoing calibration checks (verifications) help ARM ensure that it is providing the highest-quality measurements possible for…
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ARM Releases Products for Evaluating Climate Model and Radar and Lidar Simulator Outputs
To facilitate the direct comparison of climate model outputs with its ground-based radar and lidar measurements, the Atmospheric Radiation Measurement (ARM) user facility provides joint histograms of the frequency distribution of radar reflectivity and lidar scattering ratio at each height. Scientists can also compare these joint histograms, also called contoured frequency altitude diagrams (CFADs), with…
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CAPE-k Technicians Will Help Keep ARM Data Flowing From Tasmania
Site technicians watch over instruments deployed by the Atmospheric Radiation Measurement (ARM) user facility and make sure they run smoothly in the field. For the next 17 months, technicians Tom Day and Frank Zurek of Hamelmann Communications will remain in northwestern Tasmania to monitor and maintain instruments during ARM’s Cloud And Precipitation Experiment at kennaook…
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DOE, ARM Officials Tour Southern Great Plains Observatory
Editor’s note: The original version of this story by Marguerite Huber appeared on the Argonne National Laboratory website. Nestled on 160 acres of cattle pasture and wheat fields sits the heart of the Southern Great Plains (SGP) atmospheric observatory, the first field measurement site established by the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) user…
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EPCAPE Observations Wrap Up
The coastal marine cloud-aerosol campaign now enters a phase of energetic data analysis Off the coast of La Jolla, California, not far from downtown San Diego, marine stratocumulus clouds often appear in dramatic decks. The surfers who crowd along either side of the Ellen Browning Scripps Memorial Pier might take for granted these gatherings of…
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Pursuing Offshore Wind Data
With a data boost from ARM during planning, a new project off the New England coast is making observations to inform predictive models of offshore wind energy resources Offshore wind turbines can be up to 300 meters (984 feet) tall—nearly twice the height of the Washington Monument. “As winds are higher offshore than on land,…