We received a message just now from Gavin Honeymoon (great name, we know) on Twitter, and we're wondering if anyone else managed to spot the green sky last night either.
Check this out for size.
— Gavin Honeyman (@GavinHoneyman) November 30, 2016
And it seems it's not the first time it's happened...
Anyone else notice a green hue to the night sky in #Dublin tonight?
— Jim Lawless (@Jimbousch) November 8, 2016
But, green and Ireland go hand in hand, so we were too surprised.
UNTIL, we Googled it.
And the glorious search machine told us this:
Those are the kind of storms that may produce hail and tornadoes.
Green does indicate that the cloud is extremely tall, and since thunderclouds are the tallest clouds, green is a warning sign that large hail or a tornado may be present.
But, we didn't hear of any storms last night. Did you guys?
Maybe the sky just wanted to try out a new colour. It happens.
If anyone else has any more pictures of this fascinating astronomical phenomenon - please send them our way!