ARL Weekly News – November 8, 2019

ASMD Barbara Stunder delivered the hysplit.v7.7.0 code to the National Centers for Environmental Prediction (NCEP) for implementation on the NCEP Phase 3 (Dell) supercomputer. NCEP will be decommissioning the Phase 1/2 supercomputers in March, 2020, and has been requiring the developers to transition and test the code before delivery. The current operational version on Phase…

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ARL Weekly News – October 25, 2019

ASMD Dr. Howard Diamond participated in a conference call with NOAA’s Pacific Regional Climate Services Director, the National Weather Service Pacific Region Headquarters, and the staff from the Weather Service Office (WSO) in Pago Pago, American Samoa to help with developing this season’s Tropical Cyclone (TC) Outlook for American Samoa. American Samoa is the only…

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ARL Weekly News – October 18, 2019

ASMD A paper titled ”The evaluation of mixing methods in HYSPLIT using measurements from controlled tracer experiments” authored by Fong Ngan, Christopher P.Loughner, and Ariel Stein, has been accepted for publication in Atmospheric Environment. In this paper, we evaluated the turbulent mixing methods available in HYSPLIT and their impacts on dispersion results as compared against…

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ARL Weekly News – October 4, 2019

ASMD ARL Acting Deputy Director Dr. Ariel Stein will teach a HYSPLIT workshop at the University of Huelva in Huelva, Spain, from October 7-9, 2019, along with retired NOAA scientist and HYSPLIT developer Roland Draxler. This workshop is tailored to bolster interactions with the scientific community and promote the exchange of ideas related to solving atmospheric dispersion…

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ARL Weekly News – September 20, 2019

ASMD Dr. Pius Lee will attend the 37th International Technical Meeting on Air Pollution Modelling and its Application (ITM 2019) in Hamburg, Germany, from September 23-27. While there, he will present “Satellite-aided regional dust forecast to mitigate impact of valley fever and visibility-impairment adverse effects in Southwestern United States,” co-authored by his ASMD colleagues Daniel…

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