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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, August 21, 2017 16:03:52

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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
Update: G1 (Minor) Geomagnetic Storms Continue Saturday, August 19, 2017 - 18:20
G1 (Minor) Geomagnetic Storm Levels Observed Saturday, August 19, 2017 - 03:30
Soalr Eclipse Safety Total Solar Eclipse on Monday, August 21st, 2017 Wednesday, August 16, 2017 - 21:46
Aurora viewing map G1 - Minor geomagnetic storm watch issued Monday, August 14, 2017 - 18:41
G2 Watch issued for 4 August; G1 Watch issued for 5 August G2 Watch issued for 4 August; G1 Watch issued for 5 August Wednesday, August 2, 2017 - 20:56

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