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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 21, 2024 16:27:42

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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 Issued for 24-25 March 2024

Geomagnetic Storm Watches Issued for 24-25 March 2024
published: Monday, March 25, 2024 18:24 UTC

A CME associated with an X1.1 flare observed at 23/0133 UTC is expected to arrive at Earth late on 24 Mar through 25 Mar. Periods of G2 (Moderate) storming are likely on 24 Mar and periods of G3 (Strong) storming are likely on 25 Mar.