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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, January 21, 2018 06:22:56

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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 in Effect for 01 Jan

G1 (Minor) Geomagnetic Storm Watch in Effect for 01 Jan
published: Tuesday, January 02, 2018 13:28 UTC

A G1 (Minor) geomagnetic storm watch is in effect for 01 January 2018 (UTC day) due to the anticipated arrival of a recurrent, positive polarity coronal hole high-speed stream. Continue to visit our SWPC webpage for the latest updates as forecasters respond to these forecasted impacts.