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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, May 24, 2025 02:12:43

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
SWPC G1 (Minor) Geomagnetic Storm Watch G1 (Minor) Geomagnetic Storm Watch for 15-16 Jan Friday, January 14, 2022 - 02:24
Solar Wind Data Outage Thursday, December 9, 2021 - 04:46
Flagger in Road Ahead sign Underway - System Testing and Maintenance Thursday, December 2, 2021 - 19:33
Banner of the Space Weather Advisory Group Inaugural meeting of the Space Weather Advisory Group (SWAG) Monday, November 29, 2021 - 21:37
R1 Event 9 November, 2021 R1 (Minor Radio Blackout) Event on 9 November, 2021 Tuesday, November 9, 2021 - 22:14

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