ARL Weekly News – July 13, 2018

FRD The manuscript “Distinct Turbulence Structures in Stably Stratified Boundary Layers with Weak and Strong Surface Shear” with Heping Liu from Washington State University as lead author and Dennis Finn as a coauthor received highly favorable reviews in the Journal of Geophysical Research – Atmospheres. It examines turbulent structures and flux exchanges in the stably…

ARL Weekly News – July 6, 2018

HQ Long Island Sound Tropospheric Ozone Study (LISTOS): ARL’s air pollutant-measuring equipment, aboard the University of Maryland’s research aircraft, flew over the New York City and Long Island Sound area on July 2 during an episode of the worst air quality in over 10 years, with severe haze and high concentrations of ozone. Measurements taken…

ARL Weekly News – June 29, 2018

FRD Roger Carter has been investigating some of the newer halocarbons that are becoming available for their suitability as possible atmospheric tracers. These halocarbons are starting to be used as refrigerants and foam blowing agents, and they have relatively low global warming potentials.Cost, reactivity, and compatibility with existing equipment are some of the factors being…

ARL Weekly News – June 22, 2018

HQ A paper titled ”Top-down Estimates of NOx and CO Emissions from Washington, D.C.-Baltimore During the WINTER Campaign,” co-authored by Olivia Salmon, Paul Shepson, Xinrong Ren et al., has been accepted for publication in Journal of Geophysical Research – Atmospheres. The paper presents emissions of nitrogen oxides (NOx) and carbon monoxide (CO) from airborne mass…

ARL Weekly News – June 8, 2018

SORD James Wood and Rick Lantrip participated in an emergency response exercise as the Consequence Assessment Team (CAT) for the National Nuclear Security Administration (NNSA) Nevada Field Office (NFO). The exercise was conducted on the Nevada National Security Site (NNSS). In this event, the activities to be conducted were discussed, local weather data and weather…

ARL Weekly News – June 1, 2018

HQ The Fiscal Year 2018 Information Technology Security Assessment & Authorization activities for ARL took place between March 26, 2018 and May 31, 2018. On May 31, Rick Jiang (System Owner) presented the package to Gary Matlock (Authorizing Official), Jeremy Warren (Co-Authorizing Official), and Ariel Stein (Acting Director). James Brown (OAR IT Security Officer) and…

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…

ARL Weekly News – May 18, 2018

HQ Flash Leaflet Maps: This week the HYSPLIT Weather Forecast Office website interface was updated to allow the HYSPLIT results to be displayed on a JavaScript Leaflet open source mapping application. The updates are necessary to meet a June deadline when support will end for the mapping software used in current versions of the interface.…

ARL Weekly News – May 11, 2018

HQ A global aerosol forecasting operational model, dubbed as the NOAA Environmental Modeling System (NEMS) and Global Forecast System (GFS) Aerosol Component (NGAC), has been implemented at the National Weather Service (NWS). Pius Lee and Youhua Tang contributed to this fruition of launching the first global aerosol forecast service at NWS by confirming its skill in capturing large amplitude of variability in composition, mass…

ARL Weekly News – May 4, 2018

HQ An operational on-demand backtracking capability has been implemented at NOAA as part of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)-World Meteorological Organization (WMO) Backtracking Response System to identify potential Nuclear-Test source locations. The software and website interface was developed at ARL and became operational at NOAA on September 30, 2014 with coordinated teamwork among many…