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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, March 24, 2025 11:25:29

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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 Watch for 23 Mar

G3 (Strong) Geomagnetic Storm Watch for 23 Mar
published: Monday, March 24, 2025 05:55 UTC

A fast CME that left the Sun on 21 Mar is expected to arrive at Earth by early on 23 Mar (UTC day). Stay up to date with the latest forecast discussions found at https://www.swpc.noaa.gov/products/forecast-discussion.