An ASR Investigator of Deep Convection

At UCLA, Fiaz Ahmed leads a team developing an ambitious new tool for understanding storm clouds.

Setting Sights for Data from Commercial Ships

A new ASR project will deploy autonomous ship-borne systems for routine observation of critical aerosol and cloud properties.

Alabama Observatory Ready for Operations

On October 1, ARM's Bankhead National Forest (BNF) atmospheric observatory will start collecting data for the ASR scientific community.

Understanding Turbulence Effects on Droplet Coalescence

A recent PNAS paper presents details of how turbulent effects significantly influence droplet-size distribution, ultimately driving rain initiation.

ASR Early Career Awardees to Use BNF Data

Three DOE Early Career awardees plan to use data from ARM’s new Bankhead National Forest observatory in Alabama.

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

Light absorption by black carbon in wildfire-driven storms

Pyrocumulonimbus (pyroCb) clouds form from wildfire-driven convection. PyroCb clouds contain [...] Read more

Modeling the glaciation of mixed-phase clouds in the laboratory

Clouds are one of the most uncertain components in numerical weather prediction and climate [...] Read more

Studying isolated deep convective clouds over the Amazon rainforest

Deep convective clouds play a crucial role in precipitation, atmospheric circulation, and [...] Read more

Recent Publications

Comparing the interactions between particulate matter and cloud properties over two populated cities in Texas using WRF-Chem fine-resolution modeling

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Multiple-charging effects on the CCN activity and hygroscopicity of surrogate black carbon particles

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Aerosol mixing state, new particle formation, and cloud droplet number concentration in an urban environment

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Upcoming Meetings

2024 Environmental Molecular Sciences Laboratory (EMSL) User Meeting

8 October 2024 - 10 October 2024

Join us for the 2024 Environmental Molecular Sciences Laboratory (EMSL) User Meeting focusing on [...] Read more

American Association for Aerosol Research (AAAR) 42nd Annual Conference

21 October 2024 - 25 October 2024

The American Association of Aerosol Research (AAAR) 42nd Annual Conference is scheduled for October [...] Read more

European Geosciences Union’s QuIESCENT Arctic Workshop

22 October 2024 - 24 October 2024

The Quantifying the Indirect Effect: from Sources to Climate Effects of Natural and Transported [...] Read more