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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 17, 2018 15:16:21

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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 08 August 2016

G1 (Minor) Geomagnetic Storm Watch Issued for 08 August 2016
published: Tuesday, August 09, 2016 11:04 UTC

A G1 (Minor) geomagnetic storm watch has been issued for 08 August (UTC day) with the arrival of a coronal hole high speed stream.