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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 16, 2017 07:13:34

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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

sort descending Originally Posted
G1 S1 R2 Events with photos CME analysis in progress Tuesday, September 5, 2017 - 02:59
CME Influence Continues Saturday, September 13, 2014 - 14:26
Continued G1-G2 (Minor-Moderate) storm levels expected Wednesday, October 7, 2015 - 07:13
Continuing Residual Magnetic Activity Following St. Patrick's Day G4 Storm Thursday, March 19, 2015 - 14:29
Coronal Hole High Speed Streams (CH HSS) Monday, September 25, 2017 - 21:17

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