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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, January 18, 2018 21:58:59

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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

Strong (G3) Geomagnetic Storms Observed - 09 May 2016

Strong (G3) Geomagnetic Storms Observed - 09 May 2016
published: Tuesday, May 10, 2016 05:47 UTC

G3 (Strong) geomagnetic storms were observed beginning at 09/0259 UTC.  The solar wind environment driving this elevated activity is weakening and the G3 Warning is set to expire at 09/0400 UTC.  Warnings for G1-G2 (Minor-Moderate) geomagnetic storms remain in effect until 09/0600 UTC.