“The summer Australian Antarctic Division program will have to be modified because its icebreaker the Aurora Australis has been delayed in heavy ice.
The ship was due to return to Hobart more than a week ago after a resupply mission, but it is still navigating through heavy ice about 180 nautical miles off the Davis research station.’
sunshine hours 
Obviously caused by global warming.
Be afraid, be very afraid.
This is the second year in a row that this ship has got stuck in the ice.
You can follow their progress here:
https://secure3.aad.gov.au/proms/public/schedules/voyage_sitreps.cfm?season=1314&voyage_no=1