Navy Forecast For The Next Week

6 Responses to Navy Forecast For The Next Week

1. julienne stroeve says:

   August 5, 2011 at 2:11 pm

   Steve, just a quick comment…looking at the AMSR-E sea ice concentrations as well as the MODIS imagery in the Beaufort Sea, it’s clear that the model is missing the low sea ice concentrations in the Beaufort Sea. Also, the tongue of old ice that stretches towards Siberia seems to be missing in the model. But the model does pick up other features observed in the passive microwave and visible imagery. Will be interesting to see how much more ice loss will occur in the Beaufort and Chukchi seas as those regions have very diffuse ice cover at the moment.

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2. AndyW says:

   August 5, 2011 at 3:49 pm

   Well I was going to comment but Julienne just said it better than I could whilst also spotting the missing tongue of old ice which I missed, she is obviously more highly paid than me 😀 ( I get zero). You can see the Beaufort here on the composite here

   http://www.arctic.io/observations/

   looking very dispersed. In fact it outdates the most recent NSIDC monthly update which shows still old ice there. It won’t be there next year I don’t think. Julienne care to comment?

   I think there is a low over the Beaufort at the moment so that won’t encourage ice melt though apart from I guess the right of it due to southerly windstowards Greenland where there is not too much to melt as a lot of islands.

   In my opinion the ice is ripe for melting but current weather conditions are hindering it, hence it is hard to say what will happen for the rest of the season. If we get a big High slap over the Beaufort it will start making rapid reductions.

   Also is the Greenland sea full of ice because it is cold or because more ice is comming down that way?

   Andy

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   • stevengoddard says:

     August 5, 2011 at 4:07 pm

     The wind blows from the north, and the ice spreads. If it blows from the south it compacts. ZZZZzzzzzz

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3. Julienne Stroeve says:

   August 5, 2011 at 4:13 pm

   Andy, I don’t yet have an updated ice age map yet to see how much of the old ice melted out in the Beaufort since our blog posting, but visually comparing the images I would say more of it has melted out. We will be looking at the ice motion vectors for the next blog post so should know more soon about what is going on in the E. Greenland Sea and how much divergence has been happening the last couple of weeks.

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4. Anything is possible says:

   August 5, 2011 at 4:35 pm

   Somewhat off-topic, but given your interest in the history of Arctic Sea Ice cover Julienne, I thought this study might be worthy of your attention :

   http://news.ku.dk/all_news/2011/2010.8/arctic_sea_ice/

   Apologies if you’ve already seen it.

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   • Julienne Stroeve says:

     August 5, 2011 at 4:56 pm

     Thanks, yes I’ve seen it and have previously talked with the authors at conferences when they were talking about using driftwood to unravel past ice conditions. I think paleoclimate work is fascinating and valuable.

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