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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 18, 2024 09:23:20

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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 conditions met

G2 Alert and Ovation model
G2 (Moderate) geomagnetic storm conditions met
published: Friday, September 15, 2017 22:40 UTC

G2-Moderate geomagnetic storm conditions were met at 15/0240 UTC in response to the onset of the anticipated coronal hole high speed stream.

Stay tuned here for updates.