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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, September 25, 2021 18:43:20

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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
Image of GOES-R series satellite with instruments labeled. GOES-17 goes live! Friday, September 17, 2021 - 17:00
NOAA Announces Appointees to New Space Weather Advisory Group Tuesday, September 14, 2021 - 20:15
Four panel visualization of WAM-IPE model output. The WAM-IPE space weather forecast model is now operational! Wednesday, July 21, 2021 - 15:46
R3 (Strong) Radio Blackout Observed Saturday, July 3, 2021 - 17:04
Extended - Accepting Nominations for the Space Weather Advisory Group Monday, June 21, 2021 - 17:04

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