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Monthly Archives: December 2013
How does freezing rain form?
Southern Wisconsin experienced freezing rain and freezing drizzle just before the start of the holidays. When particles falling from clouds reach the surface as precipitation, they do so primarily as rain, snow, freezing rain or sleet. Where we live, most … Continue reading
How does this month’s cold and snow stack up?
Winter officially began at 11:11 a.m. on Saturday with the winter solstice, but everyone knows it has felt like winter for quite some time as we have endured a cold (and snowy) first two-thirds of December. Continue reading
How do the Yahara lakes freeze?
Lakes freeze from the surface downward to the lake bottom. Ice floats because it is less dense than liquid water.
The density of liquid water depends on the water temperature. The density of water is highest at a temperature of about 40 degrees Fahrenheit. So, why is that important? Continue reading
Is this early December cold spell unusual?
Though the first really nasty cold snap of the year is already underway, by the middle of this week we should be in the depths of a deep freeze, flirting with a daily high temperature no higher than 20 degrees Fahrenheit. Continue reading
How did the 2013 hurricane season end?
The 2013 Atlantic hurricane season officially ended on Saturday. It was the least active year in 30 years. There were only 13 tropical storms, two hurricanes and no major hurricanes. The two hurricanes that formed were very weak. In an average year, there are 12 tropical storms; six or seven go on to become hurricanes and two of those reach major hurricane intensity. Continue reading
