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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 17:18:16

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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

G3 (Strong) Geomagnetic Storm Underway

G3 (Strong) Geomagnetic Storm Underway
published: Saturday, September 13, 2014 14:26 UTC

The storm has entered its main phase and it has strengthened to the expected G3 (Strong) level.  Solar wind conditions suggest that this activity will continue for many hours and aurora watchers should be in for a good treat.  SWPC forecasters will be monitoring conditions and will be ready to issue warnings should more intense storming occur.  Stay tuned here for updates.