Illinois State Water Survey Illinois State Climatologist

Monitoring US and Global Climate Conditions

U.S. Climate at a Glance

NOAA has an excellent website for monitoring global and U.S. conditions at http://www.ncdc.noaa.gov/climate-monitoring/index.php This site gives an overview of temperatures, precipitation, global hazards, tornadoes, wildfires, droughts, and other conditions for each month. The monthly reports are typically posted about a week or so after the end of the month. You can choose from the archive […]

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First Documented Radar Hook Echo

Radar hook echo

The Illinois State Water Survey is home to the first ever documented radar hook associated with an actual tornado. Water Survey staff captured the historic event on film on April 9, 1953. This was a major turning point in monitoring severe weather, demonstrating that tornadoes could be identified by radar. This discovery helped lead to […]

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