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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, March 25, 2025 22:14:49

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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

Moderate (G2) Geomagnetic Storms Expected - 21-22 March 2025

Moderate (G2) Geomagnetic Storms Expected - 21-22 March 2025
published: Monday, March 24, 2025 05:55 UTC

A Warning for G2 (Moderate) geomagnetic storms is valid for the remainder of 21 Mar, through 0600 UTC on 22 Mar, due to the arrival of a CME that left the Sun on 17 Mar.