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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 23, 2017 18:27:48

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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 conditions met

G1 alert with Ovation Aurora model
G1 (Minor) geomagnetic storm conditions met
published: Friday, October 28, 2016 16:00 UTC

A G1 Alert was issued at 0047 EDT on 27 Oct (27/0447 UTC) in response to enhanced solar wind parameters due to effects from a coronal hole high speed stream. A G1 Warning remains in effect until 27/1500 UTC.

Stay tuned for updates @ www.swpc.noaa.gov/