Monthly Archives: December 2019
Just before Christmas the region was visited by the curious winter phenomenon known as freezing fog. Freezing fog simultaneously covers the landscape with an ephemeral coating of rime ice while testifying to the curious chemical properties of water. Fog, like … Continue reading
The winter solstice has the shortest daylight hours of the year and will occur at 10:19 p.m. CST on December 21, 2019.
On that day we have our shortest day and longest night of the year in terms of daylight. It’s the astronomical moment when the sun reaches the Tropic of Capricorn. Continue reading
As we have reported several times over the years, the evidence is clear that over the entire Northern Hemisphere winter temperatures have been systematically warming over the past 70 years.
We base that conclusion on measuring the extent of air with a temperature of 23 or colder at the 850 millibar level, which is located about 1 mile above sea level. Such a measure can equally be made in the autumn months. Continue reading
What a storm!
Tuesday is the 29th anniversary of the greatest 24-hour snowfall ever in Madison.
Like most storms, this one had humble origins, but, by a conspiracy of meteorological circumstances, quickly grew into a historic monster. Continue reading