NOAA’s Space Weather Prediction Center (SWPC) classified the geomagnetic storm on Friday as “extreme,” or a G5 storm – the highest level.NOAA’s Space Weather Prediction Center (SWPC) classified the geomagnetic storm on Friday as “extreme,” or a G5 storm – the highest level. NOAA’s Space Weather Prediction Center (SWPC) classified the geomagnetic storm on Friday as “extreme,” or a G5 storm – the highest level. Technology, Science Technology News