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Andrew Borst

The Cryosphere Today concentrations predicted this break-up nicely the last week. It looks like they have about 60-80% ice in the area right now so we should expect it to break up pretty quickly now.

Lord Soth

I have been looking at this area for the past few weeks. I was expectng breakup earlier, as it appeared that there was cracks in the eastern end also, but i now believe they are are cracks that refroze during the winter, and now may be long melt ponds.

I have been on vacation the past few days, and for another week, and I have just come in from the woods, to find that the pace of the decline accelerating, with two century melt days, and a close third.

It is really amazing to see the arctic change so quickly, especially when you are away from the computer for four days.

Nick Barnes

In today's photo, a 20km-wide strip has broken off at the eastern end of the ice (by Stefansson Island). Also breaking up: the ice in Dolphin and Union Strait - the southern route. Less important for navigation but still good to watch: Penny Strait, between Bathurst Island and Devon Island in the Queen Elizabeth Islands.

Evilreductionist.blogspot.com

According to climateprogress, NSDIC believes that the key to this year's melt is the Pacific side - the Beaufort and Chuckchi Seas. It will be interesting to see how the melting proceeds once Hudson Bay and the Canadian archipelego is ice-free. The next two weeks were the basis for the 2007 record. We just missed a century break yesterday, so 2010 is still close to the 2007 melt speed.

Kevin McKinney

Just a quick post with another wild example of the warmth of the Canadian Arctic, where minima have regularly been well above climatic norms.

Sachs Harbor, in the NWT, is forecast to experience minima averaging close to 10 C for the coming week, and maxima close to 15 C. The norms are 3 and 10 C, respectively!

In some cases, the forecast minima are well above the normal maxima.

That's why I think Goddard is so out to lunch with his recent prediction of a downturn in melt rate within three days.

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