haboob

Dust Storm Vs Haboob

Last Sunday, the ABC television affiliate in Phoenix published a video of a dust storm, calling it by the Arabic word, “haboob.” Hundreds of people objected to the use of this term on the station’s Facebook page. Many of the objections were based the word’s Arabic origin.  Some even suggested that the TV station was…
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Keeling

The Keeling Curve

Many Global Warming deniers base their skepticism regarding the human influence on climate on the fact that tremendous natural changes in climate over the history and prehistory of Earth have happened without any human influence at all.  Therefore, some conclude, the modern-day warming is just another temporary natural change. However, the initial science of Global…
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Mean Difference

Hot Summers And Cold Winters

In any given year, it is likely that the hottest temperatures in the region will be somewhere out in central South Dakota.  The coldest temperatures of any winter are most likely to occur somewhere in northern Minnesota. But for consistency, the Red River Valley has a greater difference between the heat of summer and the cold…
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Blue sky begins to break through the clouds over Arctic Ocean ice Sept. 9, 2009.

Thoughts On Upcoming Winter

The past two winters have been mild in our region.  This winter is likely to be colder but there is potential for a very cold winter. Arctic sea ice normally undergoes extensive melting in the summer, usually reaching a minimum coverage in September.  Due to a mild winter and spring, this year’s ice coverage was…
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pole

South Pole Cold Snap

It is winter at the bottom of the world and the Amundson-Scott station at the pole is in its fourth month of its annual six months of darkness.  For much of July, daily high temperatures have ranged from minus 63 to minus 98 with lows ranging from minus 67 to minus 99.  With a steady…
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