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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 30, 2025 22:12:53

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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
New NCEI Space Weather Portfolio of Archived Products Tuesday, April 29, 2025 - 22:37
SWPC Testbed for Artemis II Support Preparing for Artemis II at the SWPC Testbed Tuesday, April 29, 2025 - 18:34
After Action Report of the 2024 Space Weather Simulation Exercise After Action Report of the 2024 Space Weather Simulation Exercise Thursday, April 17, 2025 - 14:06
Geomagnetic Storm Continues CME Passage of 16-17 April Continues Wednesday, April 16, 2025 - 22:32
G4 (Severe) Geomagnetic Storm Levels Observed Wednesday, April 16, 2025 - 21:31

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