NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, June 03, 2025 17:07:03 UTC

Main menu

NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
close
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

Temporary Webpage and Data Outages Possible on 20 February

Temporary Webpage and Data Outages Possible on 4 February
Temporary Webpage and Data Outages Possible on 20 February
published: Friday, February 21, 2025 01:16 UTC

The Space Weather Prediction Center (SWPC) will be conducting required systems work on 20 February. This may result in temporary webpage and data outages.

We thank you for your patience during this period.