ARL Weekly News – March 8, 2019

ATDD On 4-6 March, Temple Lee, Michael Buban, Ed Dumas, and Bruce Baker went to Avon Park, a US Air Force (USAF) test range north of Sebring, Florida, to conduct first-of-a-kind tests with two of ATDD’s small unmanned aircraft systems (sUAS): a Meteomatics Meteodrone Severe Storms Edition (SSE) and BlackSwift Technologies S2 fixed-wing aircraft. During…

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ARL Weekly News – March 1, 2019

HQ Dr. Ariel Stein, ARL Acting Deputy Director, attended the Workshop on Measurement-Model Fusion for Global Total Atmospheric Deposition (MMF-GTAD) in Geneva, Switzerland, on February 26-27, 2019. Dr. Stein is in the second of his ten-year role as Chairperson of the event’s organizing body, the Scientific Advisory Group for Total Atmospheric Deposition (SAG-TAD). The workshop…

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ARL Weekly News – February 22, 2019

HQ Alice Crawford attended a teleconference to close out the U.S. Department of Energy (DOE) ashfall project on February 20th. This project was a collaboration between the DOE Office of River Protection (ORP), NOAA’s Air Resources Laboratory, the U.S. Geological Survey (USGS), and the Desert Research Institute (DRI) to estimate concentrations of airborne ash that…

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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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