Illinois State Water Survey Illinois State Climatologist

Illinois Ranked Fourth in Nation in Number of Tornado Reports in 2015

According to the NOAA Storm Prediction Center, Illinois is ranked fourth in the nation for the number of tornado reports in 2015. Here are the top five states: Texas with 164 reports Kansas with 150 reports Oklahoma with 100 reports Illinois with 64 reports Colorado with 48 reports The most outstanding event for 2015 was […]

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Historical Tornadoes in Illinois and the US

While tornadoes can happen any time of the year, the tornado season really starts to ramp up in March in Illinois (see plot below) and remains active through the spring and on into summer. April, May, and June are the three standout months historically. So far 2015 has been very quiet with no severe weather […]

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Tracking Tornado Statistics in the US (Part II)

Yesterday I mentioned the national archive as a source for reports on tornadoes and other forms of severe weather. Today I wanted to mention the NOAA Storm Prediction Center and the many statistical products they have available on their website. Of course, their primary mission is to provide forecasts but they have accumulated an impressive […]

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Extreme Weather Year in the US

This year has been noteworthy for the number of extreme events across the U.S. In fact, we have had 12 disasters that have exceeded $1 billion in losses each in 2011. We also experienced some $50 billion in total losses for the year. And that is with a fairly quiet hurricane season. Some of those […]

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