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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, August 10, 2025 18:18:16

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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

G2 (Moderate) Geomagnetic Storm levels reached

G2 Moderate storm Key messages and current aurora forecast image
G2 (Moderate) Geomagnetic Storm levels reached
published: Sunday, August 10, 2025 17:57 UTC

G2 (Moderate) geomagnetic storm conditions were observed at 09/1548 UTC. The G2 (Moderate) geomagnetic storm warning remains in effect.

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