NOAA/ESRL Radiosonde Database


General information about this database, access to station lists and other details is available on the GSL website.

Recent Activities:

  • June 2020: Updated and merged the 2018 and 2019 data from IGRA and GSL observations.
  • July 2020: The station inventory has been updated.

    I. Input Dates: (UTC units)

    From: yr mo dy hr

    Thru: yr mo dy hr

    II. Sounding Specific Information

    Hours of access: Data levels:

    Wind Units:

    III. Select Stations / Data

    Select Radiosonde Sites by:


    National Oceanic and Atmospheric Administration (NOAA)
    Earth System Research Laboratory (ESRL)
    Global Systems Division (GSD)

    Prepared by Mark Govett, Mark.W.Govett@noaa.gov