Northern lights may expand south next couple days

January 8, 2014
In this Tuesday, Jan. 7, 2014 image made available by NASA, a giant cloud of solar particles, a coronal mass ejection, explodes off the sun, lower right, captured by the European Space Agency and NASA's Solar and Heliospheric Observatory. The sun is obscured to show the atmosphere around it. The solar flare caused the cancellation of a launch to the International Space Station on Wednesday, Jan. 8, 2014. (AP Photo/ESA, NASA - SOHO)

Northerners thawing out from a bitter freeze may get rewarded with shimmering northern lights the next couple days.

Federal space weather forecaster Joe Kunches said the sun shot out a strong late Tuesday, which should arrive at Earth early Thursday. It should shake up Earth's magnetic field and expand the Aurora Borealis south, possibly as far south as Colorado and central Illinois. He said best viewing would probably be Thursday evening, weather permitting.

The University of Alaska's Geophysical Institute predicts much of Canada and the northern fringes of the U.S. should see the . Chicago, Boston, Cleveland, Seattle and Des Moines might see the shimmering colors low on the horizon.

The solar storm is already diverting airline flights around the poles and may disrupt GPS devices Thursday.

Explore further: Solar storm barreling toward Earth this weekend

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