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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, November 22, 2017 16:37:19

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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 Postedsort descending
ACE Spacecraft Solar Wind Measurements showing arrival of shock. G3 (Strong) or Greater Geomagnetic storms expected Tuesday, March 17, 2015 - 06:39
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
What is a geomagnetic storm? Tuesday, March 17, 2015 - 15:08
Aurora photos: Upload your own or view others Tuesday, March 17, 2015 - 17:50

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