Tourists warned of lake 'tsunami'

In the Tasman Glacier near Mt Cook have been warned that
there would be heavy rains in the area to the tourisms. This heavy rains would let to the huge iceburg in the lake and might produce tsunami. The huge iceburg in the gracier might made disasters. There was a lot of public controversy came from many signals that have been occured. For instance, the people saw the very distinct line of ice that drawn up to the surface of the glacier and they never seen that huge amount of iceburg before. Finally, if whole lots of the iceburg goes together may produce 10 million tons of iceburg and create surge on the surface of water and produce tsunami.
http://www.nzherald.co.nz/environment/news/article.cfm?c_id=39&objectid=10663636