The most relevant weather information is from Hans Island near
81 N latitude. ORIGINAL Post (6/28/2012): The collapse of the
ice-arch in southern Nares Strait began June-27, 2012 with
development of a small hairline fracture along the western side
of the strait off Ellesmere Island, Canada. The fracture
connects an isolated area of open water off Bache Peninsula,
Canada at 79 N latitude. The front between land-fast ice in the
north and the open water in the south has moved slightly
southward. It has also lost a visible larger piece of ice that
before anchored the bridge at its western connection to land.
This motion will open the hairline fracture more, accelerating
the collapse of the ice-arch. The missing support of the ice-
arch on its western side will collapse the entire ice-arch and
the previously land-fast ice of Nares Strait will stream rapidly
to the south, I predict, before this weekend. Updates (including
an animation) will be posted daily at
http://muenchow.cms.udel.edu/Nares2012/Kane/. This collap