There is a basic introduction to Space Weather here, on the ACIS Ops twiki.

There is also a discussion of ACIS response to radiation storms in the On Radiation memo.

Several recent orbits have presented challenging radiation situations, making us look hard at the criteria for recommending an SCS 107 interruption of the science loads. Below are memos on several of them.

MAY2213, May 22, 2013.

DEC2214, December 22, 2014.

SEP1017, July and September 2017 storms.

FEB2623, February 26, 2023.

MAR2023, March 20, 2023.

APR2323, April 23, 2023.

NOV2023, November 20, 2023.

MAR2224, March 22, 2024.

MAY1024, May 10, 2024.

JUN0724, June 07, 2024.

JUL2324, July 23, 2024.

OCT2724, Oct 27, 2024.

NOV2124, Noc 21, 2024.

A more general listing of radiation events of interest can be found here.