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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 18, 2024 17:28:09

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
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
on NOAA Scales
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 Warning Extended Until 01/1500 UTC

Ovation Auroral oval forecast
G1 (Minor) Geomagnetic Storm Warning Extended Until 01/1500 UTC
published: Friday, September 02, 2016 11:35 UTC

The G1 (Minor) Geomagnetic Storm Warning has been extended until 01/1500 UTC (01/1100 AM ET) as a result of an enhanced solar wind environment. Stay tuned for updates.