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r w Langford
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Thanks Neven. Great post. What an amazing meteorological event we are witnessing. We really have awakened a dragon. The implication for the jet stream and northern climates are huge.
Not a pleasant time to be a real or polar bear. Sorry for the OT, back to lurking.
Toggle Commented Aug 19, 2016 on 2016 Arctic cyclone, update 2 at Arctic Sea Ice
There is an article today in the Guardian regarding the extensive ice loss caused by particulate matter (dark snow) causing melting.
Toggle Commented Jul 7, 2014 on ASI 2014 update 4: high times at Arctic Sea Ice
Robert Scribbler has an excellent post on high water temperatures surrounding the arctic which is reflected in the rapid loss of ice. High pressure is also predicted for the next days. He also has and excellent update on el nino with high water temperatures and another Kelvin wave propagating in the western pacific. It looks like we are in for a rocky ride this summer and fall with a double whamy of low ice and a big el nino. Nature is on a rampage. Hang on for the ride.
Toggle Commented Jul 2, 2014 on ASI 2014 update 4: high times at Arctic Sea Ice
Year round arctic sea ice much earlier than thought discovered by magnetite in sediment. This
Toggle Commented Jan 28, 2014 on Looking for winter weirdness 2014 at Arctic Sea Ice
Good comparisons of arctic temperature anomalies for this week and other years. We have a 7degC anomaly happening.
Toggle Commented Jan 28, 2014 on Looking for winter weirdness 2014 at Arctic Sea Ice
The difference between a weather event being caused by climate change and a weather event being affected by climate change may be in the percentage of change in the event. These days, all weather is affected by climate change so where do Meteorologists set the bar for weather to be caused by climate change? Any experts out there?
Toggle Commented Jan 25, 2014 on Looking for winter weirdness 2014 at Arctic Sea Ice
My thanks and year end best wishes to Neven and all the contributors to this unique blog. There is nothing like it on the web.
Toggle Commented Dec 27, 2013 on Merry christPIOMAS at Arctic Sea Ice
Dominik I like your calculations, they show good imagination and perseverance. Others may have considered this but your numbers are simple and understandable from common sense. Sometimes this is missed by complex systems. The Way paper is fraught with complexity and extrapolations but fills a big gap in our present understanding.
Toggle Commented Nov 15, 2013 on The 'hiatus' and the Arctic at Arctic Sea Ice
Neven. I add my thanks for your time, effort and good manners to those already expressed. Bob
Polar Bears and Cyclones, not a pretty picture. Mostly I can distance myself from what is happening but sometimes not so much.
Toggle Commented Aug 8, 2013 on Third storm at Arctic Sea Ice
3.1 Others have probably noted that the record melt last year came about because of a lengthened linear decline in extent. The linear decline continued for three to four weeks longer than other years. This is easily seen in the extent graphs for the period from August 1st through into early September. In other years the melt slowed and the graphs started turning several weeks earlier. No doubt this is a result of more heat in the system and thus a longer melt season. There is no reason to think that this has changed this year. Weather still has a major effect on melt rates but transferred heat from the tropics via currents and air currents will continue to extend the melt season by several weeks both spring and fall and thus result in frequent record melts. This year, the length of the melt season as determined by stored heat in the system will determine whether we have a new record or not.
Naming giant cyclones sounds like a great idea if there are enough of them. So far we have only had one though so what if there aren't any more or if they occur once in five years? There might be a bit of egg on the face of ASI blog.
Toggle Commented Jul 23, 2013 on The Naming of Arctic Cyclones at Arctic Sea Ice
sq km 3.14159 seems appropriate under the mathematical constraints of atmospheric and oceanographic conditions at this time.
Largest calving event video recorded, lasts 75 minutes. Pretty awesome.
Toggle Commented Dec 12, 2012 on 2012 Greenland records at Arctic Sea Ice
NOAA State of the Arctic 2012 report released today.
Here is a recent paper review in Climate Change that relates wind direction and strength changes as they have affected the polar melt for the last six years. Hope this isn't old news as I have not read all the posts lately.
Toggle Commented Oct 29, 2012 on Looking for winter weirdness 2 at Arctic Sea Ice
Sorry, forgot the link.
Toggle Commented Oct 16, 2012 on Record dominoes 12: CT SIA anomaly at Arctic Sea Ice
The Victoria Times Colonist has a scary article regarding testing of iron particles in the ocean off Haida Gwai (Queen Charlotte Islands) north of Vancouver Canada. The Haida people there want to make money by selling carbon credits to industry and make lots of money for their people. Is this the tip of the iceberg for rogue states to sell geoengineering projects to unscrupulous business? The article is quite balanced and I have sent them a thank you note for presenting the whole case. Andrew Weaver, our local climate hero and Nobel recipient has replied.
Toggle Commented Oct 16, 2012 on Record dominoes 12: CT SIA anomaly at Arctic Sea Ice
Recent paper on influence of melt ponds on the accuracy of models for arctic sea ice. Models incorporating melt pond data are more accurate in predicting observed levels of melting.
I found this article on model accuracy. Hope it is not old news.
Neven Glad to have you back as captain of this ship. You really nailed it with your statement 'We are entering the age of Consequences". That will resonate far and wide. I feel a visceral twist as I read that. Very ominous and unfortunately correct. When I look at fellow Canadians I see blank faces completely unaware of what has happened and what is coming. There is no escape. Another nail in the coffin, many others everywhere.
DMI temperatures North of 80 deg still in a land of their own. Another uptick today. No winter this year I guess.
Toggle Commented Sep 15, 2012 on Minimum open thread at Arctic Sea Ice
The Canadian governments attack on Science and the Environment brings our foremost climate scientist and Nobel prize winner to publicly state facts and figures that should scare everyone. "In the September issue of the international journal Nature Geoscience, Andrew MacDougall, Chris Avis and I published a paper in which we quantify the magnitude of the permafrost-carbon feedback to global warming that had been hitherto unaccounted for in previous assessments of the Intergovernmental Panel on Climate Change." "The news is not good. Instrumental records have clearly revealed that the world is about 0.8 degrees Celsius warmer than it was during pre-industrial times. Numerous studies have also indicated that as a consequence of existing levels of greenhouse gases, we have a commitment to an additional future global warming of between 0.6 C and 0.7 C. Our analysis points out that the permafrost-carbon feedback adds to this another 0.4 C to 0.8 C of warming. Taken together, the planet is committed to between 1.8 C and 2.3 C of future global warming - even if emissions-reduction programs start to get implemented." Nice to see a few scientists speaking out and not waiting to print safe statements in an IPCC report. The pendulum is moving.
Toggle Commented Sep 12, 2012 on Minimum open thread at Arctic Sea Ice
DMI temperature above 80deg N are still off in a world of their own. Even an uptick today. Water freezing?
Toggle Commented Sep 11, 2012 on Minimum open thread at Arctic Sea Ice