Category Archives: Meteorology

Meteorology, like every other science, relies on careful and precise measurement of its subject. Weather observations are critical to both weather forecasters and computer models that predict the weather. These measurements are made at the ground level as well as in the atmosphere. Continue reading →

On the cold and windy days of last week, you probably tried to keep yourself warm by wearing appropriate clothing and seeking shelter from the wind.

It feels colder in the wind because the wind sweeps away heated air in contact with your body and replaces it with colder air. Continue reading →

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 →

A reader wrote us last week with two questions prompted by careful observation: 1. Why does the wind speed tend to decrease after sunset? 2. Why does this effect seem less pronounced in late autumn and winter? Continue reading →

Our autumnal weather in southern Wisconsin last week was tame in comparison to the devastating blizzard that hit the western portions of South Dakota earlier this month. On Oct. 4, Rapid City, S.D., approached its all-time single-day snowfall record when it received 19 inches, ranking it the third-snowiest day in the city’s history. Interestingly, the two record-setting days ahead of it occurred in late April (in 1970 and 2001). Continue reading →