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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, June 21, 2018 00:38:33

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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

G1 (Minor) Geomagnetic Storm Conditions Met

G1 (Minor) Geomagnetic Storm Conditions Met
published: Friday, February 23, 2018 23:31 UTC

G1 (Minor) Geomagnetic Storm conditions were met at 23/1159 UTC as negative polarity coronal hole high speed stream effects persist. Additional G1 storms are expected through 23/1500 UTC.