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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, May 03, 2025 04:57:38

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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
R2 R2 (Moderate) Radio Blackout Observed Sunday, June 23, 2024 - 14:35
Solar Flares Remain Likely through 20-23 June Solar Flares Remain Likely through 20-23 June Thursday, June 20, 2024 - 14:24
Ongoing GOES Outage Sunday, June 16, 2024 - 08:11
Request for Information on Space Weather Scales by July 31 Thursday, June 13, 2024 - 17:44
June 8th Solar Radiation Was Strongest Since 2017 Monday, June 10, 2024 - 15:29

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