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Category Archives: Seasons
Why don’t the latest sunrise and earliest sunset match up with the winter solstice?
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
Category: Meteorology, Seasons
Comments Off on Why don’t the latest sunrise and earliest sunset match up with the winter solstice?
Comments Off on Why don’t the latest sunrise and earliest sunset match up with the winter solstice?
How did fall temperatures locally compare with the northern hemisphere?
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 is a polar vortex
The term “polar vortex” was popularized by media outlets in 2014, when the country experienced a brutal January cold snap.
The polar vortex is a band of strong winds, high up in the atmosphere that spins counter-clockwise around the North Pole. Continue reading
Did Madison break any snowfall records last month?
As we begin Winter Weather Awareness week in Wisconsin (Nov. 4-8), too many of us probably feel like grizzled veterans already. What an end to the month of October! It was a chilly month overall, with the average temperature ending … Continue reading
What are the chances for a snowy Halloween?
The last half of October has been a bit cooler than normal, and there is a real chance we will see our first accumulating snow of the season this week. Overall, the chances for snow are relatively slim in October … Continue reading
