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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 26, 2024 23:17:45

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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

G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 04-05 Dec, 2023

G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 04-05 Dec, 2023
published: Saturday, December 09, 2023 00:55 UTC

A coronal hole high speed stream is likely to cause G2 (Moderate) geomagnetic storming on 04 Dec (UTC Day) and G1 (Minor) storming on 05 Dec.