Defcon Alerts Threat Monitor

Defcon Alerts Threat Monitor

Advisories

Space Weather Conditions: Strong (G3) Geomagnetic Storms Observed

Temporary or complete loss of High-Frequency radio signals on the sunlit side of the Earth was possible during this event.

Defcon Level's avatar
Defcon Level
Aug 07, 2023
∙ Paid

An X1.6 flare was observed from Region 3386 on 05 Aug. This flare lasted  59 minutes, peaking at 05/2221 UTC. Temporary or complete loss of High-Frequency radio signals on the sunlit side of the Earth was possible during this event. 

A partial halo CME was associated with this flare. Analysis of this CME is ongoing, but preliminary results indicate an  E…

User's avatar

Continue reading this post for free, courtesy of Defcon Level.

Or purchase a paid subscription.
© 2026 Defcon Level · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture