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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 16, 2017 07:20:33

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NOAA Scales mini

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Space Weather Conditions
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
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
Picture of sunspots rotating onto the visible disk of the Sun Anticipated Return of Active Region(s) Friday, October 17, 2014 - 16:54
Far-sided CME and R1-Minor Radio Blackouts Wednesday, October 15, 2014 - 17:47
Change Ahead! Website Change Ahead! (UPDATED 10/21/2014) Thursday, October 9, 2014 - 22:07
Update: R1 and R2 radio blackouts Thursday, October 2, 2014 - 20:28
Recent activity Monday, September 29, 2014 - 21:44

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