Category Archives: Climate Monitoring

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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Wet Week in Southern Illinois, Warm Across Illinois

In the last 7 days, Illinois has received 1 to 3 inches south of Interstate 70 (map below). Most of that came from storms last weekend. However, the precipitation amounts dropped off rapidly northward in Illinois. Areas in the northern … Continue reading

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Spring Flood Risk – Minor For Most of Illinois

NOAA released their Spring Flood Risk today. According to their map, most of Illinois has a minor risk of flooding this spring. An area at risk of moderate flooding is seen in southern Illinois. Sorry for the non-transparent overlay on … Continue reading

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Tracking Illinois Soil Temperatures

As the snow turns to mud this week, this is a good time to advertise links for the soil temperatures in Illinois. The Water Survey operates a 19-station network of sites around the state collecting hourly soil temperatures at 4 … Continue reading

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How February and This Winter Stacked Up in Illinois

Here are the time series plots of the statewide average temperature for February and winter (December-January-February) from 1895 to present (source: NOAA NCDC). February In the first plot, I have a red box around the temperature for 2014 and 2015. … Continue reading

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Last Below Zero Weather of the Season? I Hope.

Here are the lows this morning, courtesy of the National Weather Service office in Lincoln. Areas in blue were below zero. Champaign-Urbana reached -9 degrees, breaking the old record of 4 degrees set in 1899. Of course, widespread snow cover … Continue reading

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A Weak El Nino Has Arrived, Another Winter Storm for Southern Illinois

Today the National Weather Service reported that the long-awaited El Niño has arrived in the Pacific Ocean. El Niño occurs when we have above-average temperatures in the Pacific Ocean along the equator. It alters the Pacific weather pattern, which in … Continue reading

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