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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, July 07, 2025 18:48:47

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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
R3 (Strong) HF Radio Blackout Event Observed Tuesday, June 17, 2025 - 22:46
R2 Moderate (M8.4 X-ray flare) solar event R2 Moderate solar flare Sunday, June 15, 2025 - 19:39
G2 (Moderate) Geomagnetic Warning 13 Jun Friday, June 13, 2025 - 06:33
G3 (Strong) Geomagnetic Storm Warning Issued Friday, June 13, 2025 - 02:24
G2 Watch for 14 Jun 2025 Wednesday, June 11, 2025 - 22:15

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