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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 23, 2017 18:20:07

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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
R1-R2 Radio Blackouts on 4 September, 2017 Monday, September 4, 2017 - 09:35
G1 S1 R2 Events with photos CME analysis in progress Tuesday, September 5, 2017 - 02:59
G3 Watch for 6-7 Sep CME Arrival G3 Watch for 6 and 7 September, 2017 due to CME Arrival Tuesday, September 5, 2017 - 14:47
Update: S1-S2 Warning Extended to 8 September/2359 UTC Tuesday, September 5, 2017 - 15:10
Sunspots on 5 September Sunspots on 5 September, 2017 Tuesday, September 5, 2017 - 16:42

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