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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 18:23:34

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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 Watch Valid for 11-12 Nov

G2 (Moderate) Geomagnetic Storm Watch Valid for 11-12 Nov
published: Monday, November 13, 2023 06:41 UTC

A CME associated with an eruption near S15W15 at 09/1115 UTC is expected to arrive at Earth around 1800 UTC on 11 November. Periods of G2 (Moderate) geomagnetic storm conditions are likely late on 11 Nov through the early hours of the 12 Nov UTC day.