Urban Atmospheric Monitoring and Modeling System (Urban-AMMS) NOAA ARL is developing Urban-AMMS, an operational capability to measure and model fluxes of air pollutants in urban areas, in collaboration with other OAR labs (Global Monitoring Laboratory and Chemical Sciences Laboratory) as well as the National Institute for Standards and Technology (NIST). The system integrates existing, mature…
Major HYSPLIT Update Improves the Nation’s Public Safety December 6, 2022 On December 6, 2022, a major new version of HYSPLIT was fully implemented to provide new operational tools to weather forecasters at the National Weather Service. HYSPLIT is the pre-eminent model, developed and updated by NOAA’s Air Resources Laboratory, that has been used for…
Mauna Loa Erupts Sample HYSPLIT Ash simulation on 11/30. November 29, 2022. Mauna Loa, the largest active volcano on Earth, erupted on November 28, 2022. During an active eruption, NOAA’s National Weather Service and other offices continually monitor a number of conditions. The Air Resources Laboratory (ARL) developed HYSPLIT volcanic ash model is the core…
Ariel Stein Appointed ARL Director May 9, 2022 NOAA has announced Dr. Ariel Stein is appointed the Director, Air Resources Laboratory (ARL) effective May 8, 2022. Dr. Stein is currently Director of NOAA’s Global Monitoring Laboratory. Ariel has agreed to serve as Acting Director of NOAA’s Global Monitoring Laboratory (GML) until the permanent GML position…
ARL News HYSPLIT helps protect community during hazardous chemical release May 16, 2025 An incident in Milwaukie, OR last week highlighted the impact the Air Resources Laboratory HYSPLIT model has in emergency management. On May 10th, the fire department in Clackamas responded to an incident at a manufacturing facility, involving a chemical reaction that produced…
ARL Leadership ARL Director: Dr. Ariel Stein Dr. Ariel Stein is currently ARL Director. Dr. Stein has extensive experience working with atmospheric transport, dispersion, and photochemical models. Previously, Ariel was a Supervisory Physical Scientist before becoming Acting Deputy Director of NOAA’s Air Resources Laboratory. Ariel has an in-depth understanding of hybrid dispersion modeling techniques including…
The Air Resources Laboratory’s (ARL) mission is to improve the ability of the Nation to protect human and ecosystem health and to support a vibrant economy through advanced atmospheric sciences and technologies. ARL’s research focus is on the surface of the Earth from a few feet below the soil up to 2-3 miles in the…
2021 NOAA Administrator Awards Recognize ARL Efforts in Atmospheric Research October 29, 2021 Several ARL projects and accomplishments were recognized in the NOAA Administrator’s awards during a ceremony on October 27, 2021, including two bronze medals. The highest honor award granted by the NOAA Administrator, the Department of Commerce Bronze Medal recognizes federal employees for superior performance…
Recent ARL News HYSPLIT helps protect community during hazardous chemical release May 16, 2025 An incident in Milwaukie, OR last week highlighted the impact the Air Resources Laboratory HYSPLIT model has in emergency management. On May 10th, the fire department in Clackamas responded to an incident at a manufacturing facility, involving a chemical reaction that…
2001 – 2020 News and Press Release Archive Check out ARL photos on Flickr 2020 ARL Researchers Prepare for AGU Fall Meeting – December 2020 HYSPLIT Usability Improvements Provide Additional Location Data – November 2020 NOAA Awards Recognize ARL Research Efforts – October 2020 Wildfire Smoke Emission Estimation through HYSPLIT-based Inverse Modeling with Satellite Data -…