Tag: region_4455

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