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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, May 28, 2018 01:39:40

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NOAA Scales mini

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Space Weather Conditions
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
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

G1 (Minor) Geomagnetic Storm Watch Issued for 17 May 2018

G1 (Minor) Geomagnetic Storm Watch Issued for 17 May 2018
published: Friday, May 18, 2018 02:29 UTC

A G1 (Minor) geomagnetic storm watch has been issued for 17 May 2018 due to the arrival of a recurrent coronal hole high speed stream.