Sun outburst prompts warnings of moderate solar storm this weekend


Intense geomagnetic storms are possible in the coming days as Earth’s magnetic field is bombarded by a solar storm cloud.

Forecasters expect the worst of the solar storm to hit sometime around Friday (July 22) at 8 p.m. EDT (July 23 at 0000 GMT) and into the early morning hours on Saturday (July 23). During this time, a full-halo coronal mass ejection, or CME, will reach Earth’s magnetic field. Forecasts note that auroras may be visible much farther from the poles than their usual latitudes. 


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