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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, January 16, 2018 21:55:03

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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) Warning in Effect through 06/2359 UTC

G1 Warning delt B plot for 6 March 2017
G1 (Minor) Warning in Effect through 06/2359 UTC
published: Wednesday, March 08, 2017 00:55 UTC

A G1 (Minor) geomagnetic storm warning is in effect through 06/2359 UTC (06/1859 ET). Solar wind conditions have become temporarily favorable due to a coronal hole high speed stream (CH HSS) and is expected to escalate planetary geomagnetic responses. Keep checking our SWPC webpage for the latest information, forecasts, warnings and alerts regarding this activity.