TORONTO – Canadians were treated to a dazzling display of the northern lights this week, as broad stripes of green filled the night sky – and social media feeds

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The National Oceanic and Atmospheric Administration said Monday that a Geomagnetic Storm Watch was in effect, and is has been extended till Tuesday. According to the agency, a solar flare last week launched a CME (coronal mass ejection) toward Earth, a space weather event filled with magnetic plasma and particles that can all interact with Earth’s magnetic field.

Labeled as a G2 or moderate storm, this geomagnetic storm can cause powerful northern light shows even in areas that are not usually able to see them clearly.

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In Canada, the lights were more widely and clearly seen in the Western Provinces, with residents of BC and Alberta taking to social media to post pictures of the lights.

There was a Facebook group in Alberta dedicated to pictures of the aurora borealis. Dotted with hundreds of photos.

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One Resident in Airdrie, Alta., said that they had “lived here for 50 years and never saw them so bright in the city lights.”

A green haze was also visible in Metro Vancouver, where light pollution usually made it difficult to see anything detailed.

Other provinces and territories also reported seeing the lights, including Saskatchewan, Yukon, the Northwest Territories and all the way to Ontario.

Several US states were also screened on Monday night.

Whether we’ll see the same bright light on Tuesday night isn’t known yet, but it might be worth a look out for just in case.