Severe geomagnetic storm spurs beautiful aurora, could continue Tuesday evening (Photos)
Update at 12:45 p.m.: According to forecasters at the Space Weather Prediction Center, the geomagnetic storm continues on Tuesday afternoon, sporadically peaking at G4 intensity on the five-point scale. The severe geomagnetic storm was probably caused by the combination of two coronal mass ejections from an active sunspot region, the center’s forecasters said in a teleconference. Space weather models predicted just a “glancing blow” from these ejections, which instead have caused a stronger disruption here on Earth, and vivid auroras that have been seen as far south as Michigan.
The Space Weather Prediction Center has received no reports of negative impacts thus far, and there are no indications of a radiation storm that would impact satellite electronics and high-latitude flights. However, there could be some disruption in GPS technology and satellite navigation.
http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2015/03/17/severe-geomagnetic-storm-spurs-beautiful-st-patricks-day-aurora-photos/
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