Even if the onslaught paled next to great winter outbreaks of the past, it was impressively persistent across some influential areas, including southeast England and the U.S. mid-Atlantic.

In eastern Tennessee a portrait of Earth's progression from ice age to present is taking shape. Each day, up to 100 years of climatic history unfolds. By early this year, the story will be complete, thanks to some five million processing hours on supercomputers at the Oak Ridge National Laboratory.

Unidata celebrated its 25th anniversary on 15-16 October with a rare gathering of staff, founders, partners, and collaborators from around the country. Attendees celebrated the program's accomplishments and looked ahead to the future.