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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, June 17, 2025 04:49:45 UTC

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NOAA Scales mini

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
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
USAF Magnetometer Analysis Product No Longer Available USAF Magnetometer Analysis Product No Longer Available Tuesday, June 10, 2025 - 13:44

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