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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 08, 2025 11:05:43

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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
G3 - Strong Geomagnetic Storm Levels Observed G3 - Strong Geomagnetic Storm Levels Observed Saturday, August 17, 2024 - 18:05
G3 - Strong Geomagnetic Storm Levels Observed G3 - Strong Geomagnetic Storm Levels Observed Thursday, September 12, 2024 - 14:59
G3 G3 Conditions Observed Tuesday, October 8, 2024 - 04:34
24 June ACE plot G3 downgraded to G1 Wednesday, June 24, 2015 - 22:08
G3 Geomagnetic Storm WARNING in effect until 06 UTC on May 13 Sunday, May 12, 2024 - 23:23

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