ARL Weekly News – February 1, 2019

HQ Alice Crawford updated get_era5.py, which automates the retrieval of the ERA5 grib files for conversion to ARL format. The program now uses the new Climate Data Store Application Program Interface (CDS API). The ECMWF API will be phased out on February 28, 2019. get_era5_cds.py can be found at https://github.com/amcz/hysplit_metdata. The era52arl program in the…

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ARL Weekly News – December 21, 2018

SORD James Wood, Caleb Steele, Rick Lantrip, Wayne Bailey, and Walt Schalk supported a non-proliferation Source Physics Experiment on the Nevada National Security Site (NNSS). Support began months ahead of the experiment where detailed point forecasts and weather surveillance for the experiment location were provided. During the week of the experiment, the SORD team was…

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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…

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ARL Weekly News – November 16, 2018

HQ At the 2018 Fall Meeting of the National Atmospheric Deposition Program (NADP), Winston Luke was elected to serve as Secretary of the Network Operations Subcommittee (NOS) of NADP. The NOS oversees field-siting criteria and laboratory and sample collection protocols, and evaluates equipment and record keeping methods. After serving for one year as Secretary, Dr.…

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ARL Weekly News – November 9, 2018

ATDD ATDD’s Howard Diamond and Tilden Meyers participated in NOAA’s Climate Program Office (CPO) Earth System Science and Modeling meeting November 6-7 in Silver Spring, Maryland, along with ARL’s Acting Director, Dr. Ariel Stein. Diamond presented “Air Resources Laboratory’s Role in a Bedrock to Boundary Layer (B2B) Initiative” and Meyers co-presented “A Multi-Lab Integrated Observation…

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ARL Weekly News – November 2, 2018

HQ Winston Luke will travel to Albany, New York from November 4-10 to attend the technical and science committee meetings of the National Atmospheric Deposition Program (NADP). NADP is a cooperative program of federal, state, tribal and local agencies, educational institutions, private companies and non-governmental organizations, and provides long-term, high-quality air and precipitation measurements to…

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