A strong geomagnetic storm could push the northern lights much farther south than usual, putting on a celestial show for parts of Canada and North America.

Here's what we know so far about this developing situation.

A clipper system will slide across the Great Lakes to the Northeast midweek, bringing another shot of snow for the region. Widespread snow totals of 3-5 inches are expected with some locations possibly seeing up to a foot. And that’s not all — the system will also usher in another blast of cold, arctic air. Check out the timing here.

Another atmospheric river is set to slam into the Pacific Northwest. While some of these can be beneficial, this one may be largely hazardous for flooding rain. Here's the latest forecast.

The Surface Water Ocean Topography satellite captured high resolution measurements of this summer’s Pacific tsunami. The satellite imagery is the first of its kind, bringing new detail and insight to how these massive waves form.