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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 20, 2024 10:54:16

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
New JSON Data Now Available Monday, December 3, 2018 - 20:44
G1 (Minor) Geomagnetic Storm Watch Issued (01-02 Dec) Tuesday, November 6, 2018 - 20:59
G2 (Moderate) Geomagnetic Storm Conditions Observed Monday, November 5, 2018 - 05:33
Coronal Hole Evolution Past Several Rotations Monday, October 29, 2018 - 16:51
Coronal Holes Monday, October 29, 2018 - 16:31

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