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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, June 27, 2021 10:44:16

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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

sort descending Originally Posted
GONG H-alpha image G1(Minor) storm likely/chance for G2(Moderate) Tuesday, November 17, 2015 - 05:32
G1-G2 (Minor-Moderate) Geomagnetic Storm Warning in Effect Saturday, September 9, 2017 - 01:53
G1-G2 (Minor-Moderate) Geomagnetic Storms In Progress Saturday, November 7, 2015 - 04:40
Auroral Oval for G1-G2 storming on 8 Nov, 2017 G1-G2 Storming on 7 & 8 November, 2017 Tuesday, November 7, 2017 - 08:00
G1-Minor Geomagnetic Storm Conditions Observed Thursday, June 23, 2016 - 01:09

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