These "coronal mass ejections" will slam into the Earth's magnetic shield.
The biggest flares can disrupt technology, including power grids, communications systems and satellites. "Our current view is that the effect of the solar flare is likely to reach Earth later today (Thursday GMT), possibly tomorrow morning," said Alan Thomson, head of geomagnetism at the British Geological Survey (BGS). http://www.bbc.co.uk/news/science-environment-12493980 Andrew
