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May 27, 2016 @ 13:05 UTC
Solar Update / Minor Storm Watch
Good morning. Activity on the sun remains fairly quiet with no major solar flares to report. Region 2546 rotated onto the west limb and is no longer in direct view. The lone remaining sunspot group, region 2548 located in the northwest quadrant, is stable and not considered a high threat for noteworthy solar flares. A filament eruption was observed in the northeast quadrant beginning at 23:00 UTC (May 26), however an Earth directed CME does not appear evident and should have little to no impact on our planet.

Geomagnetic activity also remains relatively quiet with only minor enhancements in the forecast while a minor coronal hole stream moves past our planet during the next 48-72 hours. Widespread aurora is not currently expected. Stay tuned to SolarHam.com for the latest spaceweather data and imagery.

Region 2548 on Friday (SDO/HMI)


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Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
UPDATED 2016 May 27 1230 UTC

.24 hr Summary...
Solar activity was low. Region 2548 (N13W43, Dai/beta) produced a C1/Sf
flare at 26/1336 UTC. Shortly after this event Region 2546 (S07, L=224),
which rotated around the western limb, produced a C1 flare at 26/1351
UTC with an associated Type IV radio sweep. As mentioned in the previous
discussion product an Earth-directed component is not anticipated from
either event due to the narrow signature and southwestern trajectory of
the visible CME. A disappearing solar filament (DSF) was observed
lifting off of the visible disk at approximately 27/0100 UTC in SDO/AIA
304 imagery. The majority of the ejecta appeared to get reabsorbed,
however, SWPC forecasters await additional LASCO chronograph imagery to
complete analysis of this event. There were no additional CMEs observed
in satellite imagery during the reporting period.
    
.Forecast...
Solar activity is expected to be low with a chance for C-class flares
throughout the forecast period (27-29 May) due to the flare history of
Regions 2546 and 2548.



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