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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, March 28, 2025 21:00:18

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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

G2 (Moderate) Watch Issued for 26 Mar 2025

G2 (Moderate) Watch Issued for 26 Mar 2025
published: Thursday, March 27, 2025 17:10 UTC

A G2 (Moderate) geomagnetic storm watch has been extended into 26 Mar 2025 due to the arrival of a coronal hole high speed stream.