NOAA Reports Moderate Solar Flare, Potential Radio Blackouts

NOAA has reported a moderate R2-class solar flare, an M9.3 X-ray event, which commenced on June 3, 2026, at 01:22 UTC and reached its maximum intensity at 01:36 UTC.

Located at N13W05, this space weather event is expected to cause limited blackouts of high-frequency (HF) radio communication. These disruptions are anticipated to last for tens of minutes, primarily impacting the sub-solar point on the sunlit side of Earth.

The X-ray event concluded on June 4, 2026, at 01:43 UTC.