A new product called RAVE is now operational in the U.S., which will help better determine the impacts of wildfire smoke on air quality.
missions product uses observations from NOAA’s geostationary and polar-orbiting weather satellites to better determine the impacts of wildfire smoke on air quality across the nation., as seen from NOAA’s Earth-orbiting satellites.
The left panel shows the CMAQ operational forecast of surface PM2.5 valid for June 26, 2023 06Z with the current daily fire emissions product as input. The right panel shows the same, but using RAVE. On the right, we can see better agreement with concentrations observed by ground monitors shown as overlaid circles with the same color scale that matches the predicted smoke concentrations.
Because of this, RAVE is now an integral part of the NOAA Office of Oceanic and Atmospheric Research’ssmoke model, and helps HRRR derive smoke emissions and perform smoke plume rise calculations. What's more, the development of RAVE is especially important in an increasingly warming and drying climate, where fires are expected to intensify, noted Dr. Shobha Kondragunta, Air Quality Lead at the NESDIS Center for Satellite Research and Applications. “In just the last 10 years, smoke particles from fires in California, Washington, and Oregon alone increased by ~0.4 teragrams per year.
These efforts to deliver improved forecasts of wildfire smoke impacts on air quality stemmed from the Disaster Relief Act, a partnership between NOAA’s Office of Oceanic and Atmospheric Research, the National Weather Service and NESDIS. “Development of RAVE would not have been possible without the support of the Disaster Relief Support Act of FY2019 and FY2022," said NOAA NESDIS Wildland Fire Program Manager, Dr. Mike Pavolonis.
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