Tag: earth

Moderate Solar Flare Triggers Brief Radio Blackouts

5 Jul 2026 2:10 p.m. · Source: NOAA

An M5.5 X-ray solar flare on July 5, 2026, caused moderate R2-class space weather, leading to limited high-frequency radio blackouts for tens of minutes on Earth's sunlit side.

Science & Technology Astronomy and Space Computers and Internet Environment Solar Flare Space Weather Radio Blackout NOAA X-ray Event M5.5 Earth Solar Flares

Strong Solar Flare Causes Global Radio Blackout

4 Jul 2026 5:16 p.m. · Source: NOAA

An X1.3 solar flare on July 4, 2026, led to an R3 (Strong) radio blackout across Earth's sunlit side. High-frequency communications were disrupted for about an hour, as reported by NOAA.

Science & Technology Weather Astronomy and Space General Weather Solar Flare X-ray Event Radio Blackout Space Weather NOAA High-Frequency Radio Earth Solar Flares

Strong Solar Flare Triggers R3 Radio Blackout

30 Jun 2026 5:05 p.m. · Source: NOAA

A strong X1.1 solar flare on June 30, 2026, caused an R3 radio blackout, disrupting high-frequency communications for about an hour across Earth's sunlit side. The event peaked at 20:50 UTC, impacting wide areas.

Science & Technology Astronomy and Space Environment Computers and Internet Solar Flare X-ray Event Radio Blackout Space Weather NOAA High-Frequency Communication Earth Solar Flares

Moderate Solar X-ray Flare Causes Radio Blackouts

3 Jun 2026 3:17 a.m. · Source: NOAA

NOAA reported a moderate M7.7 solar X-ray flare on June 3, 2026, causing limited high-frequency radio blackouts for tens of minutes. The R2-class event impacted the sunlit side of Earth, highlighting ongoing space weather activity.

Science & Technology World Astronomy and Space NOAA X-ray Event Solar Flare Space Weather Radio Communication Earth M7.7 Solar Flares

NOAA Reports Moderate Solar Flare, Potential Radio Blackouts

2 Jun 2026 9:58 p.m. · Source: NOAA

NOAA has issued a space weather message reporting an M9.3 X-ray event, classified as an R2 - Moderate solar flare. This event could cause limited blackouts of high-frequency radio communication for tens of minutes on Earth's sunlit side.

Science & Technology Astronomy and Space Transportation NOAA Space Weather Solar Flare X-ray Event Radio Communication R2-Moderate Earth Solar Flares