National Aeronautics and Space Administration
Goddard Space Flight Center
Space Weather Action Center
Magnetosphere
ACE Bz Archive Tutorial
When you select the ACE Bz Archive you will be able to search for changes in the magnetic field in space back to 1997. The first page you see will allow you to select the year and the starting date and ending date.
Screenshot of the BZ Archive web site. THIS IMAGE IS NOT LIVE DATA
You can do a broad search over a long period of time or narrow your search to only a few days. After you select the time period, click on ‘Retrieve Data’. The plot below shows the magnetic field between May 24 and June 6. There is a large disturbance from May 29 to May 31.
Screenshot of the BZ Archive web site. THIS IMAGE IS NOT LIVE DATA
The large, negative magnetic field affected Earth’s magnetic field and caused auroras as far south as Virginia .
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Related Tutorials
The above tutorials compliment the downloadable Flip Charts and Data Sheets.