‘Severe’ solar storm that hit Earth Thursday could be ‘global phenomenon’ with auroras as far south as California Livescience.comSolar storm bombarding Earth now may reach ‘extreme’ levels, sparking auroras down to Alabama and straining hurricane-weakened power grids Space.comNorthern Lights may be visible in Hudson Valley Thursday into Friday. Here’s why The Journal NewsNorthern lights may be back tonight in Massachusetts, forecast map shows potential for major aurora display CBS BostonA severe geomagnetic storm could cause colorful auroras over Northern California and Alabama CNN