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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, December 20, 2024 22:21:06

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
G1 (Minor) Storm Levels Reached 17 December 2024 G1 (Minor) Storm Levels Reached 17 December 2024 Tuesday, December 17, 2024 - 15:50
R2 (Moderate) Radio Blackout Observed R2 (Moderate) Radio Blackout Observed Wednesday, December 11, 2024 - 16:43
Occasional R1-R2 Events Remain Likely through 14 December Occasional R1-R2 Events Remain Likely through 14 December Wednesday, December 11, 2024 - 15:51
R2 R2 (Moderate) Radio Blackout Observed Tuesday, December 10, 2024 - 11:35
R3 Strong radio blackout/GOES SUVI imagery R3 (Strong) HF Radio Blackout Event on 08 Dec 2024 Sunday, December 8, 2024 - 14:05

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