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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 29, 2024 13:34:48

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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

sort descending Originally Posted
R2 Event on 28 November, 2023 R2 (Moderate) HF Radio Blackout Event on 28 November, 2023 Tuesday, November 28, 2023 - 21:53
R2 (Moderate) Radio Blackout Observed Tuesday, January 23, 2024 - 05:11
R2 (Moderate) Radio Blackout Observed Monday, January 29, 2024 - 06:17
R2 (Moderate) Radio Blackout Observed Wednesday, February 7, 2024 - 04:20
R2 (Moderate) Radio Blackout Observed Sunday, April 2, 2017 - 10:57

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