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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, May 20, 2024 09:31:27

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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 Watch valid for 11 May

G3 Watch for 11 May
G3 Watch valid for 11 May
published: Thursday, May 09, 2024 17:43 UTC

Multiple CMEs erupted associated with flare activity from Region 3664 on 07-08 May. These CMEs are expected to merge together with potential arrival expected late on 10 May to early on 11 May (UTC dates).