After see news on television last about the sun, it turns out in a few days there are three big explosion on the surface of the sun beginning of last week.

Solar storms can cause interference satellite & telecommunications devices (like phones).
According to NOAA (National Oceanic and Atmospheric Adaministration) that the solar storms that will happen next in a strong level.

NOAA said that the solar storm that occurred last week creating the aurora borealis, which is the natural light that can be seen in Antarctic waters.
As it happened, solar storms have caused major damage in 1989 in Canada. Power plants can not work there for hours.
Although reportedly not going to happen something that is dangerous (because of peak solar storms occur once every 12 years), but should still be wary of.