Boundary Briefs

Newsworthy clips from around ARL

ARL scientists inspire students during tour of Air Resources Lab

June 3, 2025

On Thursday, May 29, 25 rising college juniors toured the Air Resources Lab. Howard Diamond gave an overview of the work at ARL and Phillip Stratton answered some questions about the equipment used in the Air Resources Car and the NOAA Twin Otter airplane during field missions, such as the AiRMAPS campaign this summer in Baltimore, MD.

Howard Diamond talks to college students. Credit: Tracey Bien-Aimé (NOAA/ORAU)
Phillip Stratton answers students' questions. Credit: Tracey Bien-Aimé (NOAA/ORAU)

The HYSPLIT Team released HYSPLIT v5.4.0 on May 7th

May 20, 2025

Congratulations to the entire HYSPLIT team and thank you for your excellent work that made this happen!

The new release is a major update and includes important new features and improvements such as upgrading graphics capabilities, which makes more user-friendly graphical outputs. The update also includes the ability to create windrose diagrams; these are map diagrams that summarize wind speed and direction at a specific location over time.

More details about the changes can be found on the HYSPLIT model update page.

On a related note, check out one of the ways HYSPLIT helps communities.

HYSPLIT model run from May 10, 2025. Credit: NOAA ARL