Tag: radio_blackout

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

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 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 Forecasts Increased Radio Blackout Risk After June 20

14 Jun 2026 11:03 p.m. · Source: NOAA

NOAA predicts increasing chances of minor-to-moderate radio blackouts after June 20 due to the return of old Region 4455, while no major geomagnetic storms are expected this week.

Science & Technology Astronomy and Space Federal Government NOAA Space Weather Geomagnetic Storm Radio Blackout Solar Radiation Region 4455 Boulder 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

NOAA Issues Space Weather Advisory Following Minor Radio Blackouts and Geomagnetic Storms

3 May 2026 9:44 p.m. · Source: NOAA

The NOAA Space Weather Prediction Center has released its latest advisory, noting recent minor radio blackouts and geomagnetic storms, while forecasting a quiet period for space weather in the coming week.

Science & Technology Weather Politics and Government Astronomy and Space General Weather Federal Government NOAA Space Weather Prediction Center Geomagnetic Storm Radio Blackout Science Astronomy