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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, February 07, 2025 00:43:18

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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

G3 - Strong Geomagnetic Storm Levels Observed

G3 - Strong Geomagnetic Storm Levels Observed
G3 - Strong Geomagnetic Storm Levels Observed
published: Monday, August 19, 2024 14:35 UTC

G3 - Strong Geomagnetic Storm Levels were reached at 1746 UTC (1346 ET) on 17 Aug 2024 due to influence from the CME associated with the X flare that left the Sun on August 14th. Stay tuned for updates.