Category Archives: Climate Monitoring

April Weather – Warm, Wet Across Illinois and Midwest

Here are maps showing how April so far has been warmer and wetter than average across Illinois and the Midwest. Temperature Departure from Average Right now, most of the eastern two-thirds of the United States have experienced above-average temperatures for … Continue reading

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April EF-4 Tornadoes Rare in Illinois

According to the National Weather Service report on the April 9, 2015, tornadoes, the tornado that tracked through Fairdale was rated EF-4 on the Enhanced Fujita scale. This would be the first EF-4 tornado in April since 1981 for Illinois … Continue reading

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On this Date in 1953, First Documented Tornado Hook Echo Captured on Radar

Today is the 62nd anniversary of the first documented case of a tornado detected by radar. Illinois State Water Survey staff, at Willard Airport in Champaign, IL, captured the historic event on film on April 9, 1953. This discovery helped … Continue reading

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Hail in Champaign-Urbana

Here is a shot of the hail dents on our hailpad at the Illinois State Water Survey in Champaign from this morning’s storm. Most of the dents where in the 1/4 to 1/2 inch range. To construct a hailpad, we … Continue reading

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Cold, Snowy March for Illinois

Temperature The statewide average temperature for March was 38.2 degrees, 3.1 degrees below average. This follows on the heels of a slightly colder-than-average January and much colder-than-average February. As a result, the year-to-date temperature for Illinois was 27.8 degrees, 5.1 … Continue reading

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USDA Soil Moisture Report for Illinois

Yesterday, the USDA released their report on soil moisture conditions for Illinois. Overall the state looks moist, especially in southern Illinois after weeks of rain. Statewide, 95 percent of the topsoil moisture and 93 percent of the subsoil moisture is … Continue reading

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Four Odd Tornado Seasons in a Row for Illinois

So far the 2015 tornado season in Illinois and the rest of tornado alley is incredibly quiet. There are no tornadoes to report this year, except in the far Southeast and one in California. However, this quiet start is no … Continue reading

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