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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 23, 2024 12:22:36

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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

G2 (Moderate) Geomagnetic Storm Warning issued

G2 Moderate storm warning/Ovation aurora oval
G2 (Moderate) Geomagnetic Storm Warning issued
published: Wednesday, November 08, 2017 11:22 UTC

A G2-Moderate geomagnetic Storm Warning was issued, valid from 07/2305 UTC- 08/0600 UTC in response to enhanced geomagnetic activity associated with the positive polarity coronal hole.

Stay tuned here for updates.