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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, October 16, 2025 11:21:20

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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
G2 (Moderate) Geomagnetic Storm Watch 16 Oct Tuesday, October 14, 2025 - 19:51
*THIS SITE WILL REMAIN UPDATED DURING SHUTDOWN* Thursday, October 2, 2025 - 15:50
G3 (Strong) Geomagnetic Storming Alert Thursday, October 2, 2025 - 06:28
G3 (Strong) Geomagnetic Storm Warning 02 Oct Thursday, October 2, 2025 - 05:15
G2 (Moderate) Geomagnetic Storm Watch for 01 OCT UTC-day Wednesday, October 1, 2025 - 05:51

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