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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 16, 2017 06:56:07

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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

News Archive

Previous SWPC news items.

News Archive

Originally Postedsort ascending
G2 Alert and Ovation model G2 (Moderate) geomagnetic storm conditions met Friday, September 15, 2017 - 03:44
Ovation/G2 Warning until 15/0900 UTC G2 Warning extended until 15/0900 UTC Friday, September 15, 2017 - 03:42
G2 (Moderate) Geomagnetic Storm Warning Issued/Conditions Observed G2 (Moderate) Geomagnetic Storm Warning Issued/Conditions Observed Thursday, September 14, 2017 - 21:24
G1 (Minor) Geomagnetic Storm Conditions Observed G1 (Minor) Geomagnetic Storm Conditions Observed Thursday, September 14, 2017 - 16:20
G1 (Minor) Geomagnetic Storm Warning Issued G1 (Minor) Geomagnetic Storm Warning Issued Thursday, September 14, 2017 - 14:59

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