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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 20, 2018 05:04:17

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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
R3 on 6 Sep at 1202 UTC R3 (X9.3 flare) Radio Blackout on 6 September at 1202 UTC Wednesday, September 6, 2017 - 13:50
R3 Radio Blackout R3 Radio Blackout on 6 September 2017 Tuesday, November 29, 2016 - 23:30
SDO/AIA 335 Imagery of R3-Strong Radio Blackout R3-Strong Radio Blackout from Active Region 12339 Tuesday, May 5, 2015 - 23:54
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
Recent activity Monday, September 29, 2014 - 21:44

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