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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 26, 2025 11:27:47

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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

Geomagnetic Storm Watches Now Continue Into 1 August

Geomagnetic Storm Watches Now Continue Into 1 August
Geomagnetic Storm Watches Now Continue Into 1 August
published: Thursday, August 01, 2024 14:01 UTC

Geomagnetic storm watches are out for July 30th to August 1st due to a number of CMEs (coronal mass ejections). For additional information, see the related story and continue to follow our webpage for the latest information and forecasts.