Not strictly speaking weather, but it's in the sky........
Found the link on another weather forum.
FITSAT-1 LEDs to Flash Morse Code over USA and Europe
On December 12-13 FITSAT-1 will be using its optical LED beacon to flash a message in Morse Code over the USA and the British Isles/Europe which may be visible to the unaided eye although binoculars are advised.
13 December 2012 - 22:10:30
13 December 2012 - 22:14:30
http://www.uk.amsat.org/?p=11815http://www.satflare....hp?q=fitsat#MAP (tracking Info)
John