Sometimes these get quite bright. Here's a website that may interest you with regard to chances of the northern lights. I'm not sure how well this correlates to what we see on the ground, but as you know these things are quite fleeting.Off the back deck this evening. Appeared, moved around a lot, then faded out quickly, all with some pretty overwhelming ground light to get in the way. Must be spectacular out away from the city lights.
Pretty cool, never seen this before.
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Quicklook summary
Space Weather Canada (also know as the Canadian Space Weather Forecast Centre) offers services for monitoring, forecasting, and analyzing space weather activity and space weather effects on technology. Located at the Geomagnetic Laboratory of Canada in Ottawa, this program is supported by NRCan...
www.spaceweather.gc.ca