Thundersnow is quite an unusual event in these parts (Angus in Scotland). I was awakened at 3:20 AM this morning by a very loud flash bang and thought that the North Korean thingy had kicked off (no
James Blunt to save the day this time around), but it was just Thundersnow.
http://www.bbc.co.uk/news/uk-scotland-11857086Winter has arrived very very early this year.
Edit Looks like someone has already posted a youtube video
http://www.youtube.com/watch?v=7aNmGrkk5rMThe Thundersnow has now being ongoing since about 3 am this morning well into this afternoon. i.e. more than 12hrs.