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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 23, 2024 12:32:13

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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 Watch in Effect For 28 and 29 Oct 2016

G1 (Minor) Geomagnetic Storm Watch in Effect For 28 and 29 Oct 2016
published: Sunday, October 30, 2016 13:05 UTC

A G1 (Minor) geomagnetic storm watch is valid for 28 and 29 Oct 2016 (UTC day) due to persistent coronal hole high speed stream effects.