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National Oceanic and Atmospheric Administration

Sunday, October 24, 2021 18:13:59

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
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G
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Latest Observed
R
no data
S
no data
G
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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
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Current Space Weather Conditions
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 Extended into 12 Oct, 2021

G2 WATCH Extended into 12 October, 2021
G2 (Moderate) Geomagnetic Storm Watch Extended into 12 Oct, 2021
published: Wednesday, October 13, 2021 14:46 UTC

The G2 (Moderate) geomagnetic storm watch continues for the remainder of 11 October, 2021, and is now in effect for 12 October, 2021. The G2 Watches are in place due to the anticipated arrival of the 09 October full halo CME that was associated with an M1/2B flare from Region 2882 (N17, L=157) on 09 October at 0638 UTC. Latest analysis and model guidance shows CME arrival likely late on the 11 October into early 12 October UTC-days. Continue to follow our SWPC webpage for the latest information and updates.