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Sangamon River. The Sangamon River is a principal tributary of the Illinois River, approximately 246 miles (396 km) long, [2] in central Illinois in the United States.It drains a mostly rural agricultural area and runs through Decatur and past Springfield.
As for what a typical summer weather day is in Illinois, the University of Illinois state climatologist office says highs are usually in the 80s with lows in the 60s. Days above 90 degrees are ...
On October 1, 1995, the National Weather Service offices in Peoria and Springfield were officially closed after serving Central Illinois since the early 20th century. [2] [10] In 1996 the WSR-88D radar was completed and joins a network of other "NEXRAD" radars throughout the country, while the WSR-74C in Springfield was officially ...
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
The Illinois River (Miami-Illinois: Inoka Siipiiwi [4]) is a principal tributary of the Mississippi River at approximately 273 miles (439 km) in length. Located in the U.S. state of Illinois, [5] the river has a drainage basin of 28,756.6 square miles (74,479 km 2). [6]
Forecasters identified deep troughing, as well as possible zonal flow, especially around southeast Kansas for March 13. On March 12, a Day 3 slight risk was issued for the March 14 event, extending into Arkansas, central Missouri, southeastern Iowa, and western Illinois. [4]
National Weather Service Chicago, currently based in Romeoville, Illinois, at Lewis University, is a weather forecast office responsible for monitoring weather conditions for 23 counties in Northern Illinois, the Chicago metropolitan area and Northwest Indiana. [1]
The Weather Prediction Center also acts as the backup office to the National Hurricane Center in the event of a complete communications failure. Long range climatological forecasts are produced by the Climate Prediction Center (CPC), a branch of the National Weather Service. These include 8–14 day outlooks, monthly outlooks, and seasonal ...