article_snippet: A severe solar storm has smacked Earth with a surprisingly big geomagnetic jolt, potentially affecting power grids and GPS tracking while pushing the colorful northern lights farther south, Forecasters said.
article_snippet: A severe solar storm ranks a 4, called severe, on the National Oceanic and Atmospheric Administration's 1-to-5 scale for geomagnetic effects.
article_snippet: A severe solar storm is A severe solar storm to blast Earth since the fall of 2013.
article_snippet: It's been nearly a decade since a level 5 storm, termed extreme, has hit Earth.
article_snippet: A severe solar storm seemed to be weakening slightly, but that may not continue, and A severe solar storm could last all day, officials said.
article_snippet: A severe solar storm has the potential to disrupt power grids but only temporarily.
article_snippet: A severe solar storm also could cause degradation of the global positioning system, so tracking maps and locators may not be as precise as normal.
article_snippet: Often these types of storms come with bursts of radiation that can affect satellite operations, but this one has not, Berger said.
article_snippet: Space weather experts in Colorado, US issued a warning on a solar flare last week.
highlights_snippet: It is the strongest solar storm to blast Earth since the fall of 2013 .
  