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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, March 23, 2025 18:32:48

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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 ascending Originally Posted
R3 Event on 28 October, 2021 X1 Flare (R3 Radio Blackout) Event on 28 October, 2021 Thursday, October 28, 2021 - 17:29
X-class Flares Continue to Occur Saturday, May 11, 2024 - 13:53
WSA-Enlil v2.0 now operational Thursday, June 13, 2019 - 19:53
Wing Kp Model Output to Change Wing Kp Model Output to Change Friday, August 28, 2015 - 01:34
Why Does the Aurora Change Colors? Monday, May 13, 2024 - 12:30

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