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Category Archives: History
Atmospheric and Oceanic Sciences turns 75
On Friday, the Department of Atmospheric and Oceanic Sciences at the University of Wisconsin-Madison celebrated its 75th anniversary.
When the department was founded in June 1948, the modern science of meteorology was arguably just a few years old, and even basic understanding of the nature of the mid-latitude cyclones that batter us from October to May was truly in its infant stages. Continue reading
Higher overnight lows led to warm September
As we enter the month of October and the traditional end of the warm season, it’s interesting to note that the average temperature last month, through Sept. 28, was 4.0 degrees above normal in Madison.
That is by far the biggest deviation among traditional warm-season months — June, July, August and September. All were warmer than average this year: June was 0.8 degrees, July just 0.5 degree and August only 1.2 degree above the respective norm. Continue reading
Do hurricanes affect Wisconsin?
A tropical cyclone is a rotating low-pressure system that has organized thunderstorms but no fronts. When a tropical cyclone’s maximum sustained winds reach 74 mph, it is called a hurricane. Hurricanes have never directly impacted the Upper Midwest region of the U.S.; however, the remnants of a hurricane or tropical storm have impacted the weather in the Midwest, including Wisconsin.
If a hurricane is particularly strong at landfall, it can move far enough northward to cause a significant rain event for areas in the Midwest. For the most part, such storms originally make landfall in Texas, Louisiana or Mississippi. These storms can be tracked by satellites or surface weather observations because they maintain an identifiable circulation pattern along their entire path. Continue reading
Category: History, Meteorology, Severe Weather, Tropical
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Can ChatGPT forecast the weather?
Yes, ChatGPT can create weather forecasts, but the real question will be their accuracy.
People have started exploring how to use ChatGPT and other artificial intelligence methods to experiment with forecasts. This is not surprising as we have always needed weather forecasts and humans have used many techniques over the decades. Some of the earliest forms of forecasts were short rhymes, and, although memorable, were often of uneven quality. Continue reading
Were May and June unusually dry in Madison?
While we all contended with the remarkable and dangerous smoke in the sky this past week, we also wrapped up a record dry spell in Madison’s history.
The 61 days of May and June 2023 were the driest May and June ever, with a paltry 2.01 inches of total precipitation falling. The next closest rival on this ignominious list occurred in May and June 1992, when only 2.65 inches of rain fell during the two months. Individually, May and June were the sixth-driest May and June in Madison’s history, suggesting how rare it is for both of them to be so void of precipitation. Continue reading
Category: Climate, History, Meteorology, Seasons
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