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There's a chance of an Earth-directed solar flare today. Three large sunspots are facing our planet. All three have unstable magnetic fields that pose a threat for M- or X-class explosions. Especially, Region 3713 showed rapid development during the past 12 hours.
Solar activity continued at moderate levels as Region 3712 produced an M1.1 flare at 18/12:20 UTC. Region 3711 added an M1.1/Sf at 19/06:38 UTC as it made its way to the western limb.
An approximate 8 degree filament structure wasobserved lifting off at 18/16:10 UTC. At 18/16:36 UTC a prominence structure was also
observed lifting off in the NW. The CME off the NW limb beginning at 18/17:24 UTC appears to be a combination of the two events.
Modelling and analysis of these events deemed both to be north of the ecliptic plane with no impacts expected at Earth.
M-class flares are likely over 19-21 June with a chance for X-class flares due primarily to the flare potential of Region 3712, Region 3713, and Region 3716.
Solar wind flowing from a large high-latitude coronal hole could graze Earth's magnetic field on June 22-23.
#largesunspots #CME #coronalhole
Images credit: AIA/SDO/HMI, SOHO/LASCO, nemesis maturity channel
Music credit: KZfaq Audio Library
Woodshedder - Quincas Moreira