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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 20, 2019 00:52:24

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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
Benchmarks Workshop April 23-25 in Denver Next Step Space Weather Benchmarks Workshop - begins April 23 Monday, April 15, 2019 - 13:34
Solar Cycle 25 Preliminary Forecast Solar Cycle 25 Preliminary Forecast Thursday, April 4, 2019 - 21:47
National Space Weather Strategy & Executive Order on EMP National Space Weather Strategy and Action Plan Released Thursday, April 4, 2019 - 21:27
test Thursday, April 4, 2019 - 19:06
Save the Date - June 26, 2019 - Space Weather Enterprise Forum Monday, March 25, 2019 - 16:53

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