Massive Solar Flare Causes Radio Blackouts and Northern Lights Alerts
• A significant solar flare, classified as an M5.8-class event, erupted from sunspot region AR4436 on Sunday, May 10,
• This flare caused moderate radio blackouts over the Atlantic Ocean and parts of eastern Africa, impacting high-frequency radio communications used by aviators and mariners. The flare also triggered a coronal mass ejection (CME), a cloud of magnetized solar plasma traveling at approximately 650 kilometers per second. While the bulk of the CME is expected to pass behind Earth's orbit, a glancing blow to Earth's atmosphere is possible late on May 12 into early May 13 (UTC). This interaction could enhance auroral activity, potentially making the Northern Lights visible at lower latitudes, including parts of the UK and northern U.S., depending on weather conditions.
Why It's Important?
The solar flare has already caused temporary disruptions to high-frequency radio communications, particularly affecting aviation and maritime operations. The potential arrival of the CME could lead to geomagnetic disturbances, enhancing auroral activity and possibly impacting satellite operations and power grids in extreme cases. Areas at higher geomagnetic latitudes, such as northern Scotland and similar regions, are most likely to experience visible auroras if skies remain clear.
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