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Three M-class solar flares – M2.1, M7.2 and M5.3 erupt from AR 3089

sdo aia 304 1217z august 26 2022

Active Region 3089 (Beta) produced three M-class solar flares on August 26, 2022 – M2.1 at 10:55 UTC, M7.2 at 12:14 UTC, and M5.3 at 12:31 UTC.

The region is still not in a geoeffective position and none of the flares produced today were associated with radio signatures that would suggest a significant coronal mass ejection (CME).

However, this might change in the days ahead as the region rotates toward the center of the disk.

goes-x-ray-flux-1-minute august 26 2022

There were 6 numbered sunspot regions on the Earth side of the Sun on August 26:

sunspots on august 26 2022
Sunspots on August 26, 2022: 3085 – Beta, 3086 – Beta, 3087 – Alpha, 3088 – Beta, 3089 – Beta, 3090 – Alpha
sunspots on august 26 2022 hmi

Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare through August 29.1

The geomagnetic field has been at quiet levels in 24 hours to 22:00 UTC on August 26.

Solar wind speed peaked at 381 km/s at 12:00 UTC while the total IMF reached 7 nT at 19:57. The maximum southward component of Bz reached -4 nT at 04:29 UTC. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 3 604 pfu.

The geomagnetic field is expected to be at quiet to unsettled levels on August 27 and 28 and quiet to active levels on August 29.

Protons have a slight chance of crossing the threshold through August 29.

References:

1 Joint USAF/NOAA Solar Geophysical Activity Report and Forecast – SDF Number 238 – Issued at 2200Z on 26 Aug 2022

Featured image credit: NASA/SDO AIA 304, The Watchers

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