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Category Archives: Seasons
When does the first freeze occur in fall?
The cooldown that we enjoyed over the weekend, after the prolonged warm and humid spell that began September, got us thinking about the inevitable first morning with a temperature below 32 degrees.
We are less than two weeks away from the autumnal equinox, the last day until late March on which the day is at least as long as the night. Continue reading
How was our summer weather?
The average global temperature of July set highs — it was the warmest month on record since record keeping began in 1880.
The observed ocean surface temperature was the highest for any month in the 1880-2015 record period. The average temperatures over land were also above the average for the 20th century, ranking as the sixth-warmest July since 1880. Continue reading
What caused the recent weather extremes?
The National Weather Service in Milwaukee confirms that three separate tornadoes occurred in our state on Tuesday.
EF-1 tornadoes, with winds estimated at up to 110 mph, struck Lake Geneva and a location just outside of Big Bend. An EF-0 tornado, with winds estimated at up to 80 mph, struck southwest Waukesha. Continue reading
Category: Meteorology, Seasons, Severe Weather
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What is the hydrologic cycle?
Sitting nearly in the middle of the vast North American continent, Madison has what is known as a continental climate.
Continental climates are characterized by large annual extremes in temperature and humidity as well as very distinct seasons. The continental nature of Madison’s climate is what makes a year’s worth of weather in Madison usually a lot more varied than a year’s worth in Seattle, for instance. Continue reading
When is the warmest day of the year?
As we move past mid-July, the climatologically warmest day of the year in Madison (i.e. the day with the highest average high temperature) is in our immediate wake.
Every 10 years the 30-year climatology is updated in the following way: In 1972, we used the 1941-1970 average as climatology. By 1982 we were using the 1951-1980 average as climatology. Currently, we are using the 1981-2010 average as climatology. Continue reading
