Vigilance and preparation are important, say forecasters at the NWS, as wintery weather brings hazardous travel conditions.

A blanket of snow and plenty of penguins sounds like a Christmas card - but for Dale Ellis, who is spending the festive season on a remote island in Antarctica, it's daily life. As the cruise ship sailed away after dropping off the team, the first task for Dale and her four colleagues was to dig through deep snow to their accommodation.