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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 23, 2021 05:10:47

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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

sort descending Originally Posted
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
Two CME events on 16 December may be Earth-directed Two Possible Earth-directed CME events on 16 December Wednesday, December 16, 2015 - 22:55
10 Dec, 2020, CME Shock Arrival Update - Downgrade for CME Peak Activity Forecast Thursday, December 10, 2020 - 08:23
Update: G1 (Minor) Geomagnetic Storm Alert Issued Monday, June 18, 2018 - 02:38

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