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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 16, 2025 12:38:46

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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.

DAP - temp Head Section

News Archive

Originally Posted
G2 (Moderate) Geomagnetic Storm Watch for 19 Sep Sunday, September 17, 2023 - 13:01
G2 Moderate Storm levels Reached. Aurora forecast plot. G2 Moderate Storm levels reached Tuesday, September 12, 2023 - 18:21
G2 Moderate Storm Warning. Aurora viewing line forecast. G2 Moderate Storm Warning Issued Tuesday, September 12, 2023 - 16:37
Photo of the SWPC Forecast Center IT Specialist (SysAdmin) Vacancy now posted on USAJobs Monday, August 28, 2023 - 19:22
New Job Posting - Space Weather Testbed Lead Thursday, August 10, 2023 - 20:52

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