Articles tagged "northern hemisphere nlc season"

noctilucent clouds 2017 season

After delayed start, magnificent noctilucent clouds are back in full effect

Following a delayed start to the northern hemisphere's 2017 Noctilucent clouds season, the magnificent, electric-blue clouds are now back in full effect. Noctilucent, or night-shining, clouds are a seasonal phenomenon, occurring most often in late spring and...

July 04, 2017

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After Europe and Canada, noctilucent clouds expand to USA

The 2015 northern hemisphere noctilucent clouds season started on May 19, 2015 when NASA's AIM spacecraft spotted a patch of electric blue clouds over the Artactic Circle. Since then, noctilucent clouds (NLCs) have been moving south and, on June 8 - 9, they...

June 12, 2015