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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, October 20, 2017 15:48:08

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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 Posted
G1 S1 R2 Events with photos CME analysis in progress Tuesday, September 5, 2017 - 02:59
R1-R2 Radio Blackouts on 4 September, 2017 Monday, September 4, 2017 - 09:35
G1 (Minor) Geomagnetic Storm Levels Observed Saturday, September 2, 2017 - 05:28
G2 Warning Auroral Forecast G2 (Moderate) Warning Issued: Valid to 31/1800 UTC Thursday, August 31, 2017 - 06:18
G1 Watch for 31 Aug - 1 Sep G1 (Minor) Watch for the 31 August and 1 September UTC-days Monday, August 28, 2017 - 20:20

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