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Is our rainy summer finally drying out a bit?
Readers may recall we reported on the unusually wet nature of our late spring/ early summer about a month ago. At that time, Madison had recorded the wettest May 1-July 15 period since at least 1939 while averaging more than 2.5 degrees Fahrenheit above normal for that same period.
Another month has ticked away in this summer, and it has been a bit different than the ones that came before it. Through Aug. 15, Madison has recorded 1.73 inches of precipitation, which is 0.35 below normal. Ten of the first 15 days of the month had no precipitation at all and, from Aug. 7 to Aug. 13 we had a streak of seven straight days with no rain at all. That is now the longest dry streak since May 1. Continue reading
What is Tornado Alley?
A tornado is a powerful column of winds that rotate around a center of low pressure. The winds inside a tornado spiral inward and upward, often exceeding speeds of 300 mph. Tornadoes form in atmospheres that have extremely unstable moist air, large amounts of vertical wind shear and weather systems, such as fronts or thunderstorms, that force air upward.
The continental United States provides these three ingredients in abundance. Continue reading
Do thunderstorms cause milk to spoil?
No, but it was once widely thought that summertime thunderstorms could cause fresh milk to curdle.
This thinking was based on observations that raw milk would spoil during lightning and thunderstorms. But it was neither the thunderstorms nor lightning that caused the spoiling; rather it was the atmospheric conditions. The conditions that are optimum for thunderstorm development are the same as those that would cause milk to spoil. Continue reading
Are thunderstorm rain amounts hard to predict?
Meteorologists would generally agree that summer is the most challenging time of year for making accurate rain forecasts.
During summer, there generally is enough moisture and atmospheric instability to help fuel the development of rain showers. Scattered thunderstorms are one of the most difficult weather events to forecast. Continue reading
Category: Meteorology, Severe Weather
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How does our late spring/early summer precipitation stack up historically?
If you think the first half of the summer has been unusually wet, it is not merely your impression — it is a measured fact. Between May 1 and July 15, Madison received 21.85 inches of precipitation, punctuated by the … Continue reading
