A powerful storm wreaked havoc on the Arctic sea ice cover in August 2012. This visualization shows the strength and direction of the winds and their impact on the ice: the red vectors represent the fastest winds, while blue vectors stand for slower winds. Credit: NASA/Goddard Science Visualization Studio
There is no sugar coating the fact that the Arctic sea ice is well below normal.
The AGW agenda is jumping all over this metric as evidence that catastrophic global warming is upon us. After all, they really can no longer use earth's actual air and ocean temperatures as proof since they have leveled off, and are now cooling. The disconnect with C02, still on the rise, cannot be denied.
As you can see, I admit Arctic sea ice is on the decline, but the question is, why?
The answer can be seen through natural causes. A look at the ocean temperatures globally over the past 15 years, or since the global temperatures reached a peak in the major el Nino of 1997-1998 supplies the answer. Notice on Sept 1, 1997, most of the northern hemisphere ocean was quite warm, the southern hemisphere cooler. This is an example of the warm phases of the Pacific Decadol Oscillation and the Atlantic Multidecadol Oscillation both occurring at once. A tremendous input of heat (oceans have 1000 times the heat capacity of air) into the atmosphere has to be occurring, causing a rise in the global temperature which was well documented through the 1990s.
But one also notices a counter cooling in much of the southern hemisphere oceans.