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GEOMAGNETIC STORM WATCH ISSUED FOR 11 OCTOBER 2021

submitted by germ22 to Space 3.6 yearsOct 10, 2021 15:15:22 ago (+5/-0)     (www.swpc.noaa.gov)

https://www.swpc.noaa.gov/news/g2-moderate-geomagnetic-storm-watch-issued-11-october-2021

G2 (Moderate) geomagnetic storm conditions are possible on 11 Oct due to the anticipated arrival of a CME from 09 Oct. G1 (Minor) geomagnetic storm conditions are possible on 11-12 Oct.

Region 2882 (N17, L=157) produced an M1/2b flare (with Type-II and IV radio emissions) at 09/0638 UTC, and an associated full-halo CME was observed in LASCO C2 imagery beginning at 09/0712 UTC. Event analysis and model output suggest CME arrival around midday on 11 Oct, with lingering effects persisting into 12 Oct.


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