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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, March 24, 2026 14:09:44

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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 Alerts Issued

G3 (Strong) Geomagnetic Storm Alerts Issued
published: Sunday, March 22, 2026 12:40 UTC

Update: G3 (Strong) geomagnetic storm conditions were observed at 20/2328 UTC and again at 21/0154 UTC. A warning for G3 or greater storming conditions is currently valid until 0600 UTC on 21 March. This geomagnetic activity is likely from the arrival of the CME that left the Sun on 18 March.

DAP - temp Head Section