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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, June 09, 2025 02:21:39

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NOAA Scales mini

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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
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R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
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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

APS Migration Completed, Return Scheduled for 13 April

APS Migration Completed, Return Scheduled for 13 April
published: Thursday, April 13, 2017 20:13 UTC

The transfer of operations to our off-site backup system was completed successfully today (Monday, 10 April).

Users likely experienced brief intermittent outages while systems were transferred over and will again when we transition back to Boulder on 13 April. Stay tuned to our website for the latest information on this migration.