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Radiation Data Quality VAP Expands to COMBLE and MICRE Campaigns
These radiometers collected data during the 2016–2018 Macquarie Island Cloud and Radiation Experiment (MICRE). Photo is courtesy of Jeff Aquilina, Australian Bureau of Meteorology. The Atmospheric Radiation Measurement (ARM) user facility’s longtime recommended datastream for broadband surface irradiance measurements is Data Quality Assessment for ARM Radiation Data (QCRAD). The QCRAD value-added product (VAP) is now…
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Radiative Flux Analysis Data Released for COMBLE Campaign
This plot shows irradiance and albedo from the Radiative Flux Analysis (RADFLUXANAL) value-added product toward the end of the Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) in May 2020. The Radiative Flux Analysis value-added product (RADFLUXANAL VAP) is now available for the 2019–2020 Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) deployment…
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Updated Tower Water-Vapor Mixing Ratio Product Now Available
An updated version of the Tower Water-Vapor Mixing Ratio value-added product (TWRMR VAP) is now available for use. This VAP calculates water vapor mixing ratios at the 25- and 60-meter levels of the meteorological tower at the Atmospheric Radiation Measurement (ARM) user facility’s Southern Great Plains (SGP) Central Facility. TWRMR also provides best-estimate temperature, relative…
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Access Ice-Nucleating Particle Data From MOSAiC Expedition
The Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition featured the first data capturing the annual cycle of ice-nucleating particles in the central Arctic. In the Atmospheric Radiation Measurement (ARM) Data Center, two principal investigator data sets on ice-nucleating particles (INPs) are now available from the 2019–2020 Multidisciplinary Drifting Observatory for the…
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Radiation Data Quality VAP Data Reprocessed for SGP Broadband Radiometer Station
The broadband radiometer station provides continuous measurements of broadband shortwave (solar) and longwave (infrared) irradiances for downwelling components. An end-to-end reprocessing of data from the Data Quality Assessment for ARM Radiation Data value-added product (QCRAD VAP) is complete for the broadband radiometer station (BRS) at the Southern Great Plains (SGP) atmospheric observatory. All historical data…
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Microwave Radiometer Retrieval Product Processed for SGP Central Facility
This Microwave Radiometer Retrievals (MWRRET) quicklook image provides information from the Southern Great Plains Central Facility on August 10, 2019. The image shows, from top to bottom, observed brightness temperatures at 23.8 GHz (blue) and 31.4 GHz (red); retrieved precipitable water vapor from the physical method (blue) and statistical method (green); and retrieved liquid water…
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Micropulse Lidar Cloud Mask VAP Data Revised for High-Latitude Sites
Data reprocessed with a revised version of the Micropulse Lidar Cloud Mask value-added product (MPLCMASK VAP) are now available for four high-latitude sites. This reprocessing also includes periods of data previously listed as missing. The durations of missing data varied from several minutes to several hours and occurred periodically during the winter months. Affected fields…
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Ka-Band ARM Zenith Radar Product Resumes for 2 Sites
This set of plots illustrates the KAZRARSCL product. From top to bottom are time-versus-height plots of cloud boundaries, best-estimate hydrometeor reflectivity, and dealiased mean Doppler velocity for a sample date at Oliktok Point, Alaska. The Atmospheric Radiation Measurement (ARM) user facility has resumed production of the Ka-Band ARM Zenith Radar Active Remote Sensing of CLouds…
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Precipitation Radar Data Product Released for CACTI Campaign
A new CACTI data product will help users analyze information from the deployment of the second-generation C-Band Scanning ARM Precipitation Radar (CSAPR2) in Argentina. Photo is by Janek Uin, Brookhaven National Laboratory. The Corrected Moments in Antenna Coordinates Version 2 (CMAC2) value-added product (VAP) has been updated to work with the second-generation C-Band Scanning ARM…
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ARM Evaluation Product Delivers 4-Dimensional Map of Cloudiness
This sample plot from the COGS value-added product shows a heat map of cloud depth at 21:29:40 UTC (Coordinated Universal Time) on August 4, 2019, at ARM’s Southern Great Plains atmospheric observatory. A new value-added product (VAP) called Clouds Optically Gridded by Stereo (COGS) provides a four-dimensional (4D) map of cloudiness. This map is generated…