Tag: x_ray_event

Solar Flare Triggers Moderate Radio Blackout on Earth's Sunlit Side

10 Oct 2026 11:30 a.m. · Source: NOAA

An M6.4 solar flare peaked at 1510 UTC on October 10, 2026, prompting NOAA's R2 moderate radio blackout alert for high frequency communications on the sunlit side of Earth.

Science & Technology Weather Environment Astronomy and Space General Weather NOAA solar flare X-ray event radio blackout space weather HF radio communication Space Weather Prediction Center Solar Flares

Moderate X-ray Flare Triggers Brief HF Radio Blackout

8 Oct 2026 12:05 p.m. · Source: NOAA

An M6.7 solar X-ray event peaked at 1548 UTC on October 8, 2026, prompting NOAA's R2 moderate radio blackout alert for the sunlit side of Earth.

Science & Technology Weather Astronomy and Space General Weather Environment NOAA space weather X-ray event radio blackout HF radio communication sunlit side of Earth R2 Moderate Solar Flares

Moderate M6.9 Solar Flare Causes Brief Radio Blackouts

25 Aug 2026 6:28 a.m. · Source: NOAA

A moderate M6.9 X-ray solar flare on August 25, 2026, caused R2-class space weather impacts. It led to limited, tens-of-minutes blackouts of high-frequency radio communication on Earth's sunlit side.

Science & Technology World Astronomy and Space Solar Flare X-ray Event Space Weather Radio Communication NOAA M6.9 R2 Solar Flares

Moderate Solar Flare Causes Brief Radio Blackout

20 Aug 2026 8:14 a.m. · Source: NOAA

A moderate M8.1 X-ray solar flare, classified as R2, occurred on August 20, 2026, causing limited high-frequency radio communication blackouts for tens of minutes, primarily affecting the sunlit side of Earth.

Science & Technology World Astronomy and Space NOAA Space Weather Solar Flare X-ray Event Radio Communication M8.1 R2 Solar Flares

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

Moderate Solar Flare Causes Brief Radio Blackout

3 Jul 2026 3:12 p.m. · Source: NOAA

NOAA reported a moderate R2 solar flare, an M6.3 X-ray event, on July 3, 2026. This space weather phenomenon caused limited high-frequency radio communication blackouts for tens of minutes on Earth's sunlit side.

Science & Technology Weather Astronomy and Space Computers and Internet General Weather Solar flare X-ray event NOAA Space Weather Radio blackout M6.3 R2 Solar Flares

Moderate M6.7 Solar Flare Causes Brief Radio Blackout

3 Jul 2026 3:00 p.m. · Source: NOAA

NOAA reported a moderate M6.7 X-ray solar flare on July 3, 2026, causing an R2 radio blackout. The event led to limited high-frequency communication disruptions for tens of minutes on Earth's sunlit side.

Science & Technology Weather Astronomy and Space General Weather Solar flare X-ray event NOAA Space Weather Radio blackout M6.7 R2 Solar Flares

Moderate Solar Flare Causes Brief Radio Blackout

1 Jul 2026 7:20 p.m. · Source: NOAA

An M8.5 X-ray solar flare, classified as R2 - Moderate, occurred on July 1, 2026, causing limited high-frequency radio communication blackouts for tens of minutes, primarily affecting Earth's sunlit side.

Science & Technology Weather Astronomy and Space Transportation Solar flare X-ray event M8.5 NOAA Radio communication Space weather R2 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

NOAA Reports Moderate Solar Flare Causing Radio Blackouts

30 Jun 2026 9:40 a.m. · Source: NOAA

NOAA reported a moderate M5.8 X-ray solar flare on June 30, 2026, leading to limited high-frequency radio communication blackouts for tens of minutes, primarily affecting Earth's sunlit side.

Science & Technology Astronomy and Space NOAA Space Weather Solar Flare X-ray Event Radio Blackout M5.8 R2-Moderate Solar Flares

Moderate Solar Flare Causes Radio Blackouts

30 Jun 2026 9:33 a.m. · Source: NOAA

NOAA reported a moderate M5.8 solar flare on June 30, 2026, causing limited high-frequency radio blackouts for tens of minutes. The event impacted the sunlit side of Earth.

Science & Technology Astronomy and Space Transportation Solar Flare X-ray Event NOAA Space Weather Radio Communication M5.8 R2 Solar Flares

Moderate Solar Flare Causes Brief Radio Blackout

21 Jun 2026 3:50 p.m. · Source: NOAA

NOAA reported an M6.8 X-ray event on June 21, 2026, causing an R2 - Moderate solar flare. This led to a limited, tens-of-minutes blackout of high-frequency radio communication, primarily affecting Earth's sunlit side.

Science & Technology Weather Astronomy and Space General Weather NOAA Space Weather X-ray Event Solar Flare Radio Blackout M6.8 R2 Solar Flares

Powerful X1.0 Solar Flare Causes R3 Radio Blackout

3 Jun 2026 8:01 a.m. · Source: NOAA

NOAA reported an X1.0 X-ray event on June 3, 2026, causing an R3 (Strong) radio blackout for about an hour. The solar flare impacted HF communications across Earth's sunlit side, with GOES-19 used for observations.

Science & Technology Media World X-ray event Solar flare Radio blackout NOAA GOES-19 Space Weather High-frequency radio 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