Tag: solar_flare

NOAA Reports Moderate Solar Activity, Forecasts Minor Geomagnetic Storms

21 Jul 2026 6:00 p.m. · Source: NOAA

NOAA and USAF report moderate solar activity with four sunspot regions and a slight chance of X-class flares. Geomagnetic field expected to reach unsettled to minor storm levels on July 22, then quiet to active.

Science & Technology Weather Politics and Government Astronomy and Space Federal Government General Weather NOAA USAF Solar Activity Geomagnetic Field Solar Flare Sunspot Space Weather Solar Flares

NOAA/USAF Forecasts Rising Geomagnetic Activity Despite Low Solar Levels

19 Jul 2026 6:01 p.m. · Source: NOAA

NOAA and USAF report low solar activity but forecast increasing geomagnetic disturbances. Quiet conditions are expected to escalate to minor storm levels by July 22, with a slight chance of M-class solar flares.

Science & Technology USA Astronomy and Space Federal Government Solar activity Geomagnetic field NOAA USAF Space Weather Solar flare Forecast 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

NOAA and USAF Forecast High Solar Activity and Severe Geomagnetic Storms

3 Jun 2026 6:01 p.m. · Source: NOAA

NOAA and USAF report high solar activity with eight sunspot regions. Moderate solar activity is expected, with a 15% chance of X-class flares. Geomagnetic fields are forecast to reach severe storm levels, particularly at high latitudes, over the next three…

Science & Technology Astronomy and Space Environment NOAA USAF Solar activity Geomagnetic storm Sunspot regions Solar flare Space weather 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