Washington Volcanic Ash Advisory Center Volcanic Ash Advisories and Volcanic Ash Graphics from 2007 to 2025

The Washington Volcanic Ash Advisory Center is a 365/24/7 operational group that is part of the NOAA/National Environmental Satellite, Data, and Information Service (NESDIS)/Office of Satellite and Product Operations (OSPO) Satellite Analysis Branch. It provides volcanic activity monitoring along with creating and disseminating Volcanic Ash Advisories (VAA) and Volcanic Ash Graphics (VAG). The center's area of responsibility is the US including Hawaii, the Caribbean, Central America, northern South America, parts of the Pacific Ocean including the Marianas Islands. Data input for VAA and VAG include satellite imagery, model data, reports from State Volcano Observatories (SVO), Meteorological Watch Offices (MWO), many air traffic groups and others. Main users of VAA and VAG products include the aviation community including international and domestic airlines, air traffic control groups, the private sector, and scientific groups like the US Geological Survey (USGS).

This collection of volcanic ash advisories and graphics is organized by each calendar year being contained within its own accession. Specifically:

2007 - accession 0298507
2008 - accession 0299273
2009 - accession 0299677
2010 - accession 0299771
2011 - accession 0299772
2012 - accession 0299770
2013 - accession 0299891
2014 - accession 0299890
2015 - accession 0299894
2016 - accession 0299893
2017 - accession 0299936
2018 - accession 0299938
2019 - accession 0299935
2020 - accession 0299940
2021 - accession 0299937
2022 - accession 0299939
2023 - accession 0301434
2024 - accession 0301435
2025 - accession 0311454