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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, November 20, 2018 08:03:48

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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 Watch 9-10 Nov, 2018 G1 (Minor) Storm WATCH in Effect: 9-10 November UTC-days Tuesday, November 6, 2018 - 20:59
G2 (Moderate) Geomagnetic Storm Conditions Observed Monday, November 5, 2018 - 05:33
Coronal Hole Evolution Past Several Rotations Monday, October 29, 2018 - 16:51
Coronal Holes Monday, October 29, 2018 - 16:31
Update: G2 (Moderate) Storm WARNING in Effect until 05/1200 UTC Wednesday, October 17, 2018 - 18:32

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