News & Events

Data Announcements

A screenshot of the browser shows an event summary for 2016-10-22 (open cell cumulus event with relatively small gaps observed between cells) and a regional perspective with a HYSPLIT back trajectory summary and image.

Check Out New LASSO-ENA Simulations and Web Tools

William Gustafson, who leads the Large-Eddy Simulation (LES) ARM Symbiotic Simulation and Observation (LASSO) activity, shares how you can access what is now available for the new Eastern North Atlantic (ENA) shallow marine cloud scenario.

24 November 2025

A cropped plot is zoomed in on an multicolored amorphous shape representing ice water content from the MICROBASE value-added product at the North Slope of Alaska atmospheric observatory. Original image was from Meng Wang, Brookhaven National Laboratory.

Enhanced Cloud Microphysics Data Released to Production

Production data are now available from the Improved Continuous Baseline Microphysical Retrieval (MICROBASE) product with uncertainty estimation, previously known as MICROBASEKAPLUS.

24 November 2025

A cropped-in image shows time-height plots for GE Reflectivity, MD Reflectivity, GE SNR, MD SNR, GE Spectral Width, and MD Spectral Width for the two different KAZR modes: GE (general sensitivity) and MD (moderate sensitivity). Image is from Marqi Rocque, Pacific Northwest National Laboratory.

First Characterized, Corrected Data Available From Fixed-Site KAZRs

ARM has released its first set of characterized and corrected Ka-Band ARM Zenith Radar (KAZR) data from the Eastern North Atlantic, North Slope of Alaska, and Southern Great Plains atmospheric observatories.

20 November 2025