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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, May 15, 2025 22:32:36

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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
CME on 28 Mar to miss Earth CME Associated with X1 Flare on 28 March 2024 to Miss Earth Friday, March 29, 2024 - 01:42
CME Influence Continues Saturday, September 13, 2014 - 14:26
CME Passage Continues Today, 16 Apr 2025 CME Passage Continues Today, 16 Apr 2025 Wednesday, April 16, 2025 - 14:34
Geomagnetic Storm Continues CME Passage of 16-17 April Continues Wednesday, April 16, 2025 - 22:32
CMEs arrived on 11 Aug and Passage Continues - G4 (Severe) Reached CMEs arrived on 11 Aug and Passage Continues - G4 (Severe) Reached Monday, August 12, 2024 - 16:19

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