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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, March 29, 2025 04:55:07

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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

Originally Posted
G1 Minor storm level explanation. SDO AIA/193 imagery. G1 Minor Storm levels likely to continue into 15 Feb 2025 Thursday, February 13, 2025 - 20:14
G1 Minor storm level explanation. Aurora forecast model G1 Minor Storm leves reached Sunday, February 9, 2025 - 21:01
New Preliminary Coronagraph Images from GOES-19 Thursday, February 6, 2025 - 20:26
R2 (Moderate) Radio Blackout 02 February Sunday, February 2, 2025 - 14:34
R2 (Moderate) Radio Blackout 31 January Friday, January 31, 2025 - 14:33

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