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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, November 24, 2024 10:28:24

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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

Update: G1 (Minor) Geomagnetic Storm Watch for 23-24 February

G1 Storm Watch for 23-24 February
Update: G1 (Minor) Geomagnetic Storm Watch for 23-24 February
published: Saturday, February 25, 2017 00:04 UTC

A G1 (Minor) geomagnetic storm watch is in effect for 23-24 February, 2017 due to likely effects from an isolated, positive polarity coronal hole high speed stream (CH HSS).