Spaceweather.

CHANCE OF STORMS: Minor G1-class geomgnetic storms are possible on April 17th when a high-speed stream of solar wind reaches Earth. The gaseous material is flowing from a Southern hole in the sun's atmosphere.

A SUNSPOT IN TURMOIL: Sunspot AR2814 is in turmoil. The active region has nearly a dozen moon-sized dark cores scattered across a patch of sun 75,000 km wide.These cores are boiling in and out of existence as the sunspot transits the face of the sun.

Sunspots are, essentially, islands of magnetism floating on the surface of the sun. AR2814 is more of an atoll--and a very unstable one. If its magnetic underpinnings continue to shape-shift, opposite polarities could clash, leading to a solar flare. Or not. Only one thing is certain: Tomorrow, AR2814 will probably look different than it did today?

Graham (G4FUJ)

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