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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, July 17, 2025 00:30:04

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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
Clinton Wallace is sworn in as new Space Weather Prediction Center Director SWPC welcomes new Director, Clinton Wallace! Monday, March 4, 2019 - 20:02
G1 Storm Watch for 01 March 2019 Tuesday, February 26, 2019 - 21:53
CH70 & RGN 2733 CH 70 and RGN 2733 Updates Monday, January 28, 2019 - 19:34
2023 Space Weather Workshop - April 17-21, 2023 Banner 2023 Space Weather Workshop - April 17-21, 2023 Tuesday, January 22, 2019 - 17:39
New JSON Data Now Available Monday, December 3, 2018 - 20:44

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