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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 12, 2017 00:37:55

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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

G2 Warning extended until 15/0900 UTC

Ovation/G2 Warning until 15/0900 UTC
G2 Warning extended until 15/0900 UTC
published: Friday, September 15, 2017 22:39 UTC

The G2-Moderate geomagnetic storm warning has been extended until 15/0900 UTC. The increased activity is attributed to the anticipated arrival of the positive polarity coronal hole high speed stream.

Stay tuned here for updates.