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National Oceanic and Atmospheric Administration

Sunday, November 24, 2024 18:05:42

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
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S
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G
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Latest Observed
R
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S
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R1-R2 --
R3-R5 --
S1 or greater --
G
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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
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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 issued

Aurora viewing map
G1 - Minor geomagnetic storm watch issued
published: Saturday, August 19, 2017 03:13 UTC

A G1-Minor geomagnetic storm watch has been issued for 17 and 18 Aug 2017. Solar wind parameters are expected to become enhanced on the 17th as a recurrent, positive polarity coronal hole high speed stream moves into a geoeffective position.

Stay tuned here and check our website for details. http://www.swpc.noaa.gov/