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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 21:38:20

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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 Storms Expected on 10 May 2016

SDO/AIA Imagery
G1 (Minor) Geomagnetic Storms Expected on 10 May 2016
published: Wednesday, May 11, 2016 05:44 UTC

A WARNING for G1 (Minor) geomagnetic storm conditions is in effect until 10/1500 UTC (11am ET) due to persistent influence from the negative polarity coronal hole high speed stream. Stay tuned for further updates!