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Aerosol-DA




    System configuration:

  • Observations are retrievals of Aerosol Optical Depth at 550 nm from Visible Infrared Imaging Radiometer Suite (VIIRS) (thanks to Shobha Kondragunta from NESDIS); AOD pixels are thinned at 50 km and assimilated in a 6-hourly cycle using 3-hour half- window.
  • 20 ensemble members are running GEFS-Aerosols model with perturbed emissions at C96 (~100km) grid resolution; GEFS-Aerosols is a NOAA operational model that relies on Global Ozone Chemistry Aerosol Radiation and Transport (GOCART) parameterization; the model has been developed at NOAA/OAR/GSL.
  • Meteorology is initialized with Global Data Assimilation System (GDAS) ensemble analyses in a 6-hourly cycle.

    This project has been funded by NOAA/Weather Prediction Office, Award number: NA19OAR4590080 Contact information: Mariusz.Pagowski@noaa.gov/Bo.Huang@noaa.gov