COVID-19 Update for April 3: Read this important message from Gary Geernaert, Director of the Climate and Environmental Sciences Division within the U.S. Department of Energy's Office of Biological and Environmental Research. Update for June 1: ARM has updated its guidance on COVID-19. Read ARM Technical Director Jim Mather's full message. 

Plan for the 2021 American Meteorological Society Annual Meeting

Sessions are being announced for the 2021 American Meteorological Society (AMS) Annual Meeting. Submit your abstracts now!

2020 ARM/ASR Joint Meeting Update

Register for the online 2020 ARM/ASR Joint Meeting today.

Simulating How Aerosols Behave in the Atmosphere

Nicole Riemer digs into the complexities of how atmospheric particles form, grow, move, and change.

Experts Advise on Clouds and Precipitation

A NASA modeler guides an advisory group on two components of Earth’s water and energy cycles.

Pursuing Particle Chemistry

Purdue University atmospheric chemist Alexander Laskin puzzles out the dynamism of atmospheric aerosols and their ever-changing chemical transformations.

The U.S. Department of Energy’s Atmospheric System Research program advances process-level understanding of the key interactions among aerosols, clouds, precipitation, radiation, dynamics, and thermodynamics, with the ultimate goal of reducing the uncertainty in global and regional climate simulations and projections.

Research Highlights

Soot particle variations affect climate modeling

Black carbon, or soot, enters the air mainly as a byproduct of fuel combustion and absorbs [...] Read more

When urban and natural emissions hang out at night

Human-caused pollution exerts an important but uncertain control on the formation of secondary [...] Read more

Automated identification of cloud types at the ARM Southern Great Plains site

Different types of clouds have different radiative forcing. This means researchers quantifying [...] Read more

Recent Publications

Improving middle and high latitude cloud liquid water path measurements from MODIS

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Wintertime particulate matter decrease buffered by unfavorable chemical processes despite emissions reductions in China

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Understanding cloud droplet spectral dispersion effect using empirical and semi‐analytical parameterizations in NCAR CAM5.3

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Upcoming Meetings

International Conference on Clouds and Precipitation 2020

3 Aug 2020 - 7 Aug 2020

Due to COVID-19, this conference is postponed until 2021. The abstract submission system will [...] Read more

2020 American Geophysical Union (AGU) Fall Meeting

7 Dec 2020 - 11 Dec 2020

AGU’s 2020 fall meeting is scheduled for December 7 to 11 in San Francisco. However, with the [...] Read more

2021 American Meteorological Society Annual Meeting

10 Jan 2021 - 14 Jan 2021

Sessions for the 2021 American Meteorological Society (AMS) Annual Meeting are being announced. [...] Read more