HYSPLIT Volcanic Ash Model Mt. Augustine volcanic eruption(Credit: Cyrus Read, U.S. Geological Survey) Volcanic ash is hazardous to aircraft because it can degrade engine performance and navigational and operational instrumentation. Meteorologists at the VAAC and the Meteorological Watch Offices use the HYSPLIT forecasts, among other sources of information, for writing Volcanic Ash Advisories and Significant…
Initializing HYSPLIT with Satellite Observations of Volcanic Ash ARL is investigating the use of satellite information about volcanic ash clouds to improve volcanic ash forecasts made with HYSPLIT. Some of this work has been described in a paper in the Journal of Geophysical Research – Atmospheres: Crawford, B. J. B. Stunder, F. Ngan, M. J.…
Volcanic Ash Modeling Volcanic ash is a hazard to aircraft because it can degrade engine performance and navigational and operational instrumentation. Operationally, the NWS runs the ARL-developed HYSPLIT model to forecast the transport and dispersion of volcanic ash in and near the U.S. Volcanic Ash Advisory Centers’ (VAAC) (Anchorage, AK, and Washington, DC) areas of responsibility. Volcanic ash is…
ARL News National Volcanic Ash Operations Plan August 30, 2007 The Office of the Federal Coordinator for Meteorological Services and Supporting Research (OFCM) will soon publish the “National Volcanic Ash Operations Plan for Aviation and Support of the International Civil Aviation Organization (ICAO) International Airways Volcano Watch”. ARL’s role, outlined in the plan, is to…
ARL Weekly News – February 17, 2023 Recent Activities Presentation to Howard Univ. on GHG Monitoring project. Xinrong Ren was invited by Dr. Sen Chiao at Howard University to give a department seminar on the work of the GHG monitoring team. This presentation titled “Measurements of Air Pollution and Greenhouse Gases in the Mid-Atlantic Region”,…
ARL Weekly News – January 20, 2023 Announcements 2022 Silver Medal Award awarded to Rick Saylor for Air Quality Model. On January 24, the Department of Commerce awarded the Silver Medal to two OAR team members who participated as part of a National Weather Service team that provided critical contributions to the NAQFC. Rick Saylor…
ARL Weekly News – January 6, 2023 Announcements and Events Wildfire Modeling Position Posted The atmospheric transport group at ARL has a HYSPLIT position posted at GMU to work on wildfires within the HYSPLIT group. Wildfire modeling is a growing research interest across NOAA. The applicant can have a Master’s or PhD, and does not require the applicant to…
ARL Weekly News – December 9, 2022 Recent Events HYSPLIT V.8: Major HYSPLIT Update Improves the Nation’s Public Safety On December 6, 2022, a major new version of HYSPLIT was fully implemented to provide new operational tools to weather forecasters at the National Weather Service. HYSPLIT is the pre-eminent model, developed and updated by NOAA’s…
Major HYSPLIT Update Improves the Nation’s Public Safety December 6, 2022 On December 6, 2022, a major new version of HYSPLIT was fully implemented to provide new operational tools to weather forecasters at the National Weather Service. HYSPLIT is the pre-eminent model, developed and updated by NOAA’s Air Resources Laboratory, that has been used for…
ARL Weekly News – November 25, 2022 Recent Events Mauna Loa Eruption NWS Honolulu Weather Forecast Office Ashfall Advisory for Nov 28, 2022 NWS CWSU Oakland SIGMET Aviation Advisory for November 28, 2022, in response to the Mauna Loa eruption. HYSPLIT Volcanic Ash runs were produced in response to the Mauna Loa eruption on November…