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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 21, 2024 22:31:27

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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

Strong (G3) Geomagnetic Storms are Likely on 16 September 2024

Strong (G3) Geomagnetic Storms are Likely on 16 September 2024
published: Tuesday, September 17, 2024 03:55 UTC

Periods of G3 (Strong) geomagnetic storms are likely on 16 Sep 2024 due to coronal hole influences and the anticipated arrival of a CME associated with an X4.5 flare at 14/1529 UTC from AR3825.