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How is the ozone hole doing?
Currently, the ozone hole is not as large as it was in 2011, but it is larger than it was in 2010. The ozone hole refers to the rapid depletion of stratospheric ozone over Antarctica. This ozone is located in a layer about 15 miles above the surface. Continue reading
Did we hit record for 90-degree days?
Though it isn’t unprecedented to get another day above 90 degrees this late in the year (the all-time latest such day in Madison’s history is Oct. 14, 1975), it is very likely our run at the record of 90-degree days in a season will end at 39 — agonizingly one day shy of the record 40 set in 1955. Continue reading
Category: Climate
Tags Climate, Summer, Temperature
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Tags Climate, Summer, Temperature
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What’s so funny about climate change?
In his acceptance speech at the Republican National Convention, Republican presidential candidate Mitt Romney jokingly upbraided his opponent for campaigning on climate change and the impact it’s having on the planet. Continue reading
Category: Climate
Tags Climate, Climate impacts
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Tags Climate, Climate impacts
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Are there fall weather changes beyond turning leaves and falling temperatures?
As we head into the second half of August a subtle transition in our weather begins to occur — a transition that is probably hard to detect at first but that eventually becomes very obvious and then lasts for approximately eight months.
We are not talking about the gradual reduction in daytime high temperatures or the increasingly cooler to cold nights, though these are also beginning to invade. Instead, we are talking about the nature of the storms that deliver our precipitation. Continue reading
What is a drought?
A drought means different things to different people. Technically, a drought is a period of abnormally dry weather sufficiently long enough in a given area to cause a shortage of water, whether it is for crops, recreation, water supply utilities or other purposes. As you can imagine, a drought for someone who lives in a desert region would be very different than for a person living among Wisconsin’s many lakes. Continue reading
