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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, September 21, 2018 08:20:40

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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
A picture of the aurora over top of a dome structure in the snow Receive SWPC alerts and warnings Saturday, September 13, 2014 - 00:17
G3 (Strong) Geomagnetic Storm Underway Friday, September 12, 2014 - 23:29
NOAA Aurora Spotters on flickr Friday, September 12, 2014 - 22:16
G2 (Moderate) Storming Underway Friday, September 12, 2014 - 18:06
Right on time… Friday, September 12, 2014 - 16:11

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