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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, December 10, 2025 02:10:29

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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
SWPC - Nation's Official Source for Space Weather Executive Order to Prepare Nation for Space Weather Events Wednesday, November 2, 2016 - 19:22
What Are Northern Lights? Wednesday, November 2, 2016 - 18:57
H-alpha and SDO imaes of Sun on 2 Nov 2016 Return to Quiet Conditions Ahead Wednesday, November 2, 2016 - 18:39
G1 alert with Ovation Aurora model G1 (Minor) geomagnetic storm conditions met Tuesday, October 25, 2016 - 06:45
G1 (Minor) Geomagnetic Storm Watch in Effect For 28 and 29 Oct 2016 Friday, October 21, 2016 - 21:43

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