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Powerful Solar Flare Triggers Radio Outages
2 Jul
Summary
- An X-class solar flare erupted from sunspot AR4479 on June 30.
- Strong radio blackouts affected high-frequency users in North America.
- A coronal mass ejection is expected to cause a minor, northward-traveling glancing blow around July 3.
An Earth-facing sunspot unleashed a potent X1.1 solar flare on June 30, triggering widespread radio blackouts over North America. The eruption from sunspot region AR4479 peaked in the late afternoon EDT, with its X-ray emissions reaching Earth within minutes.
This burst caused strong (R3) radio blackouts on the planet's sunlit side, primarily impacting high-frequency radio communications for users across North America. These disruptions were temporary, occurring while the flare's intensity was at its maximum.
Additionally, the flare ejected a coronal mass ejection (CME). However, initial analyses indicate this CME is traveling mainly northward, with limited material directed at Earth. A slight glancing blow is anticipated around July 3, but forecasters do not expect significant geomagnetic storm conditions or widespread aurora displays from this event.
While AR4479 remains Earth-facing, offering potential for future events, the current outlook suggests minimal impact. Space weather forecasters continue to monitor the region closely for any changes.
