Figure on the number of tornadoes reported across the US in 2012, red line at the bottom, as well for the most active year (2003) and the last widespread tornado-land drought (1988). Figure courtesy of NOAA.
Tornado Drought
Tag: Illinois State Water Survey
Fort Armstrong Weather Records (1820-1836)
This semester a University of Illinois Department of Atmospheric Science student, Lauren Graham, worked to make available scanned images of the weather records for Fort Armstrong that cover the period 1820 to 1836. Fort Armstrong was located at the present-day Rock Island Arsenal. The original records were maintained and scanned by staff at the Rock […]
Soil Moisture in Illinois
Observed soil moisture data are collected at 19 sites in Illinois by the Illinois State Water Survey’s Water and Atmospheric Monitoring program. The soil moisture is measured at 5 cm (2 inches), 10 cm (4 inches), 20 cm (8 inches), and 50 cm (20 inches). All amounts are reported as the fraction of water by […]
World-Class Water Survey Scientist Stan Changnon Passes
Stan Changnon, world-class Illinois State Water Survey scientist passed away May 1. From his obituary is a brief summary of his remarkable career. Much of what we understand about the climate of Illinois and the Midwest, and how it impacts society, is because of his work. I will highlight some of his scientific contributions in […]
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