Space Weather Message Code: ALTEF3

Serial Number: 3369

Issue Time: 2023 Sep 23 1223 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu

Continuation of Serial Number: 3368

Begin Time: 2023 Sep 19 1705 UTC

Yesterday Maximum 2MeV Flux: 2554 pfu

NOAA Space Weather Scale descriptions can be found at

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact SWPC Help.