Data Announcements
 
Characterized and Corrected Radar Data Available for MOSAiC Expedition
Published: 18 March 2024
Radar data collected during the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition underwent calibration, correction, and quality control processes beyond ARM’s standard quality checks and corrections.
Tropical Storm Hilary Is Focus of ARM EPCAPE Data Epoch
Published: 18 March 2024
A new ARM data epoch captures a piece of history observed during the Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE) in La Jolla, California.
Surface Spectral Albedo Product Updated
Published: 22 February 2024
To support the addition of a seventh channel to its multifilter spectral shortwave radiometers, ARM recently updated the Surface Spectral Albedo (SURFSPECALB) value-added product for two of its fixed-location observatories.
Micropulse Lidar Cloud Mask Machine Learning VAP Released for 2 ARM Campaigns
Published: 21 February 2024
This value-added product, which uses a machine learning model that can produce pixel-to-pixel predictions of clouds in lidar images, is now available for recent field campaigns near Houston, Texas, and in northern Norway.
Microwave Radiometer Retrieval Data Now Available for SAIL
Published: 24 January 2024
ARM users can access the Microwave Radiometer Retrievals (MWRRET) value-added product for the 2021–2023 Surface Atmosphere Integrated Field Laboratory (SAIL) campaign near Crested Butte, Colorado.
Black Carbon Data Product Available for Use
Published: 24 January 2024
Black carbon mass concentration and derived size distribution data are now available as a b1-level product for four ARM sites.
New Aerosol Hygroscopicity Kappa Data Available
Published: 18 January 2024
ARM’s kappa products provide a means to quantify the hygroscopic properties of ambient aerosols.
ARM Expands Collection of Merged Aerosol Size Distribution Data
Published: 18 January 2024
ARM now provides a set of value-added products to help scientists calculate aerosol scattering and mass loading, estimate the impact of aerosol on clouds, and verify aerosol-related quantities in models.
Data Loss Assessed From EPCAPE Campaign
Published: 18 January 2024
Data Announcements, Facility News
ARM has determined which data are unrecoverable from an October 2023 site data system failure at the Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE) in La Jolla, California.
Large-Scale Forcing Data Released for TRACER Campaign
Published: 8 January 2024
The derived forcing data for the TRacking Aerosol Convection interactions ExpeRiment (TRACER) are based on a constrained variational analysis approach. Two evaluation versions of the data are available.