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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 20:20:44

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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 for 19 Sep

G2 (Moderate) Geomagnetic Storm Watch for 19 Sep
published: Wednesday, September 20, 2023 00:59 UTC

A G2 (Moderate) geomagnetic storm watch has been issued for 19 September (UTC-day) due to a coronal mass ejection that was observed originating from a large filament eruption on 16 September.