NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 21, 2025 11:28:17

Main menu

NOAA Scales mini

minimize icon
Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
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

Migration from Backup System to Boulder Completed Successfully

Migration from Backup System to Boulder Completed Successfully
published: Wednesday, May 24, 2017 17:49 UTC

The transfer of operations from our off-site backup system back to Boulder was completed successfully today (Wednesday May 17, 2017).

Users likely experienced brief intermittent outages while systems were transferred but now see products as normal. Stay tuned to our website for the latest space weather information!