A severe solar storm is headed toward Earth this week, forecasters say CBS NewsA severe geomagnetic storm could cause colorful auroras over Northern California and Alabama CNNHere’s Where The Northern Lights Can Be Seen Thursday Night Amid A Severe Geomagnetic Storm Watch ForbesNorthern lights could be visible in Wisconsin as part of a 'very rare' solar storm this week Milwaukee Journal Sentinel'Severe' geomagnetic storm to slam Earth Thursday, with auroras possible as far south as California and Alabama Livescience.com