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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, March 15, 2025 03:35:44

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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

Safeguarding Satellites: How NOAA Monitors Space Weather to Prevent Disruptions

NOAA Safeguards Satellites!
Safeguarding Satellites: How NOAA Monitors Space Weather to Prevent Disruptions
published: Friday, February 21, 2025 16:43 UTC

Read the full story here.