[129] In the end, four people were injured in the outbreak.

Located 28 miles (45 km) west of Chicago, Naperville was founded in 1831 and developed into the third-largest city in Illinois. The field is notable for being the home of the Lima Lima Flight Team. Such extreme instability can lead to explosive thunderstorm development, very strong updrafts, and modulates the updraft to better enable tornadogenesis. Tornado Distance 1. The tornado may have reached F5 intensity as well. Main east–west streets include: [59] Additionally, the school district has one junior high and one elementary school in Lisle. Edward Hospital currently is trying to open a hospital in nearby Plainfield to help Naperville citizens with travel times to Edward Hospital.[84]. The 158-foot-tall Moser tower is just on north of Aurora Avenue and at the base of Rotary Hill within the Riverwalk Park complex. This page lists the date and location of all the tornadoes that have occurred in Illinois from the year 1950. [66] The final Oklahoma tornado of the outbreak was an F3 twister that blew through Bokoshe, Gans, and Akins, killing one. There were 141,122 people, 53,408 households, and 36,289 families residing in the city. [23] An F3 tornado then heavily damaged Princeton, Kansas. [84] On June 25, an unusually severe F0 tornado caused major damage and 34 injuries in Cimarron, New Mexico. [89], Rush Copley Medical Center is located in Aurora, Illinois. [12] Among those original settlers were Naper's wife Almeda Landon, his brother John with wife Betsy Goff, his sister Amy with husband John Murray, and his mother Sarah. There were 53,408 housing units. The Water Street project is expected to be completed in the fall of 2016. As a result, he was able to document the development, growth, and movement of a tornado, as identified by the distinctive “hook echo.” This was later correlated with damage reports from the area. [11] The first tornado of the outbreak occurred on April 12, when an F2 twister struck Laverne, Oklahoma, injuring three. This was part of a Capstone project by Michael Patrick, a senior (2011) in the Department of Atmospheric Science at the University of Illinois. [31] Naperville is also home to the headquarters of Dukane Precast, and their double-wall precast concrete manufacturing plant.

[108][111], Hurricane Ethel spawned five tornadoes in Florida and Alabama as it moved ashore along the Gulf Coast. About 2.5% of the population was below the poverty line, including 1.2% of those under age 18 and 9.1% of those age 65 or over. Neuqua Valley High School, along with three middle schools and 19 elementary schools from this district, are within Naperville city limits in the southern part. In other words, if 75th Street continued east past its terminus at Illinois Route 83, in Willowbrook, it would eventually be the same 75th Street as found in Chicago city limits. [19], April 16 turned out to be the most prolific day of the outbreak as 21 tornadoes touched down. 28 and 25 mi (45 and 40 km) away from Naperville, respectively. Tornado season is generally March through May in Illinois, although tornadoes can and do occur at any time of the year. 5.9 DuPage Children's Museum was founded in 1987, and moved from Wheaton to its Naperville location in 2001. This discovery helped in push for a nationwide network of radar sites in the 1950s to spot and track tornadoes. In all, a total of 29 people would die because of the tornado. [106], There were 21 tornadoes confirmed in the US in September. The damage from a tornado is a result of the high wind speeds and wind-blown debris. [6] It was ranked among the nation's safest cities by USA Today and Business Insider.

Parking meters were taken down, parking in garages built in the 1980s and 1990s is free, and parking is still available on major thoroughfares during non-peak hours. [107], There were 18 tornadoes confirmed in the US in October. Conditions were ripe for severe thunderstorm development, and with both low level and high level steering winds from the west-northwest, the National Severe Storms Forecast Center issued a Severe Thunderstorm Watch for northern Illinois valid 1:30 p.m. through 8:00 p.m. CDT that night.