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National Oceanic and Atmospheric Administration

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
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S
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G
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Latest Observed
R
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S
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G
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R1-R2 --
R3-R5 --
S1 or greater --
G
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R1-R2 --
R3-R5 --
S1 or greater --
G
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R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
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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

If it's a new day, it's time for another R3 (Strong) Radio Blackout

A new day, another R3 (Strong) Radio Blackout
If it's a new day, it's time for another R3 (Strong) Radio Blackout
published: Tuesday, October 28, 2014 15:02 UTC

Another day and another R3 (Strong) Radio Blackout from active region 2192.  The R3 Radio Blackout peaked at 10:47 am EDT (1447 UTC) and was over by 11:09 am EDT (1509 UTC).  It was followed by an R1 (Minor) Radio Blackout a few hours later.  Communications problems in the Atlantic Ocean region were reported during the R3 storm.  Region 2192 has now produced a total of 23 M-class solar flares (R1-R2 Radio Blackout) and 6 X-class solar flares.  All of these were R3 Radio Blackouts.  Region 2192 remains capable of producing additional significant activity.  We will keep this page updated as activity occurs.