Ten ARL Scientists to Present at 100th AMS Annual Meeting

Ten ARL Scientists to Present at 100th AMS Annual Meeting December 2019 Drs. Michael Buban, Patrick Campbell, Tianfeng Chai, Alice Crawford, John Kochendorfer, Temple Lee, Christopher Loughner, Fong Ngan, Allison Ring, and Rick Saylor will give presentations at the American Meteorological Society’s (AMS)’s 100th Annual Meeting taking place January 13-16 at the Boston Convention and…

ARL Scientists Readying for AGU Fall Meeting

ARL Scientists Readying for AGU Fall Meeting November 2019 Praveena Krishnan, Nebila Lichiheb, Tilden Meyers, LaToya Myles, Allison Ring, and Youhua Tang will give presentations at the American Geophysical Union (AGU)’s Centennial Fall Meeting December 9-13 at the Moscone Center in San Francisco, CA. Dr. Myles will be the first speaker featured in the NOAA…

ARL Weekly News – June 7, 2019

HQ The NCEP Acting Director gave final approval for the implementation of the HYSPLIT upgrade (NCEP version number 7.6) on June 12, 2019. The main features of this package are changes required to keep up with NCEP’s GFS upgrade, increases the GFS-HYSPLIT-formatted hybrid-level file horizontal resolution to quarter-degree, adds conversion of HRRR native-level output to…

Major HYSPLIT Upgrade Scheduled June 12

Major HYSPLIT Upgrade Scheduled June 12 June 2019 ARL’s HYSPLIT model will experience a number of behind-the-scenes upgrades when NOAA’s National Centers for Environmental Prediction (NCEP) implements a major upgrade to the agency’s Global Forecast System-Finite Volume Cubed (GFS-FV3) on June 12, 2019. The upgrades are not to the HYSPLIT model itself; rather, they’re changes…

ARL Weekly News – May 10, 2019

HQ ARL hosted the second annual Ozone Water Land Environmental Transition Study (OWLETS) and sixth annual Tropospheric Ozone Lidar Network (TOLNet) Science Team Meetings in College Park, Maryland, from May 6-8, 2019. Over 50 scientists participated in the joint event, representing NOAA, NASA, and EPA, as well as multiple universities and state agencies involved in…

ARL Weekly News – December 14, 2018

HQ “Weak-constraint inverse modeling using HYSPLIT-4 Lagrangian dispersion model and Cross-Appalachian Tracer Experiment (CAPTEX) observations – effect of including model uncertainties on source term estimation,” authored by Tianfeng Chai, Ariel Stein, and Fong Ngan, was published in Geoscientific Model Development. This paper is available at https://www.geosci-model-dev.net/11/5135/2018/gmd-11-5135-2018.pdf Nine ARL HQ scientists gave presentations at the American…

NOAA Modeling Fair to Feature Two ARL Research Areas

Credit: NOAA NOAA Modeling Fair to Feature Two ARL Research Areas September 2018 NOAA’s first General Modeling Meeting and Fair will take place September 10-12, 2018 at its Center for Weather and Climate Prediction in College Park, Maryland. Organized under the theme “Interdisciplinary Modeling and Partnerships,” this event is an opportunity for the NOAA modeling…

ARL Weekly News – May 25, 2018

HQ Alice Crawford and Barbara Stunder are supporting the Washington Volcanic Ash Advisory Center (VAAC) in the VAAC’s response to the ongoing Kilauea eruption. They have been participating in daily conference calls with U.S. Geological Survey (USGS), VAAC, and Honolulu Weather Forecast Office staff. Alice is posting, on a password protected web page, ash dispersion…

Laboratory Highlight: ARL’s HYSPLIT Model Sets New Usage Record in 2017

ARL’s HYSPLIT Model Sets New Usage Record in 2017 January 2018 ARL’s HYSPLIT model is well-known in the atmospheric science community as one of the most widely used models for atmospheric trajectory and dispersion calculations. Publicly available via ARL’s Real-time Environmental Applications and Display sYstem (READY) web server (http://www.ready.noaa.gov), users worldwide are able to access…

ARL Weekly News – December 1, 2017

HQ Alice Crawford the University of Maryland Atmospheric and Oceanic Science departmental seminar on Thursday, 30 November. Her talk was titled HYSPLIT: Modeling the transport and dispersion of atmospheric tracers. At the request of the Washington VAAC (volcanic ash advisory center), Alice Crawford provided HYSPLIT runs simulating the eruption of Agung volcano in Bali. The…