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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 25, 2025 16:52:06

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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

R3 Radio Blackout on 6 September 2017

R3 Radio Blackout
R3 Radio Blackout on 6 September 2017
published: Wednesday, September 06, 2017 13:51 UTC

An R3 (Strong) Radio Blackout occurred on 6 September from Region 2673 at 0910 UTC. Stay informed of the latest information and forecasts by continuing to visit our SWPC website.