HYSPLIT Model Update to be Released to the Public A major update to the HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model will be released to the public, as a downloadable version, through the Air Resources Laboratory’s web site on February 24th. Many of the changes made by ARL since the last update (February 2008) are…
Research Highlight: ARL to Train Argentina’s National Weather Service on HYSPLIT model Beginning September 29 through October 2, the Air Resources Laboratory (ARL) will train staff at Argentina’s National Weather Service (NWS) on the HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) transport and dispersion model to help them support operations at their Volcanic Ash Advisory Center…
Research Highlight: ARL Delivers Improved HySPLIT capabilities to NWS The Air Resources Laboratory (ARL) delivered model enhancements to the National Weather Service’s National Centers for Environmental Prediction (NCEP) for their operational Hybrid Single-Particle Lagrangian Integrated Trajectory (HySPLIT) transport and dispersion model. These enhancements allow for long-range dispersion beyond 4 days and for back-tracking capabilities and…
ARL News Augustine Volcano (Alaska) Near to Eruption – HYSPLIT at the Hub of Activity January 11, 2006 Augustine volcano, about 300 km southwest of Anchorage, has just been classified Code Red by the USGS, meaning that “the current activity may be emitting ash, steam, and volcanic gases.” This is based on seismic information.…
ARL’s Roland Draxler Selected by Commerce Secretary Locke for a Gold Medal Congratulations to Roland Draxler for receiving the U.S. Department of Commerce 2009 Individual Gold Medal Award for Scientific/Engineering Achievement. Mr. Draxler is recognized “for being the driving force behind the initial development and continued improvement of the HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT)…
ARL and the Nuclear Regulatory Commission Sign Memorandum of Understanding August, 2015 A Memorandum of Understanding (MOU) has been signed by the U.S. Nuclear Regulatory Commission (NRC) and the NOAA Air Resources Laboratory with the purpose of allowing both parties to collaborate on research related to atmospheric transport and dispersion (ATD) of radiological contaminants. In…
ARL-authored paper on the NOAA HYSPLIT modeling system December, 2015 ARL scientists Ariel Stein, Roland Draxler, Glenn Rolph, Barbara Stunder, Mark Cohen, and Fantine Ngan are co-authors on a Bulletin of the American Meteorological Society (BAMS) article titled: “NOAA’s HYSPLIT atmospheric transport and dispersion modeling system,” published in the December 2015 issue. The cover, pictured on the…
Roland Draxler Receives OAR Distinguished Career Award May, 2016 Congratulations to ARL’s Roland Draxler for receiving an OAR Distinguished Career Award. Awardees are honored for cumulative career achievement of sustained excellence, rather than a single defined accomplishment, in specific categories. Winners are recognized for significant accomplishments across all NOAA program areas and functions resulting in…
History The evolution of the Laboratory’s Research and Development is intertwined with national and international developments. The following table shows some important societal issues that occurred within each decade from 1940 to 2010, and it relates these issues with key ARL research and development activities in the areas of atmospheric dispersion, surface atmospheric exchange, and boundary layer measurements…
ARL Weekly News – January 24, 2025 Recent Events HYSPLIT helping keep people safe The Weather Forecasting Office (WFO) in Binghamton, NY supported the NY State Division of Homeland Security and Emergency Services during a propane tank crash on Friday, January 24. The crash resulted in a propane leak, for which the WFO completed a…