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Average wind speeds "blowing off the prairie" are greater in the Chicago area. Statewide, the wind speeds average 8 to 12 miles per hour (13 to 19 km/h), and is greater in the winter than in summer. Snowfall averages 30 inches (760 mm) in the north and 10 inches (250 mm) in the south, although the actual snowfalls vary greatly by year.
Wind speeds over 75 miles per hour are classified as ... which moved from Illinois to Terre Haute yesterday before hitting the Bloomington area. The storm was common for the region, White said ...
The more extreme corridor of wind gusts transitioned into a broader swath of 60–70 mph (97–113 km/h) winds as the storm moved across northern Illinois and northwestern Indiana between 2–5 p.m. Despite the weakening of straight-line winds, the atmospheric environment became more conducive for tornadogenesis during this time.
Mexicali area 28 July 1995 [160] ... the wind speeds were re-examined and adjusted to a maximum official wind speed of 321 mph (516.6 km/h). ... Illinois, Indiana ...
The agency reported wind speeds in the region as high as 75 mph (120 kph). “We did have an area of rotation,” meteorologist Zachary Yack said, referring to extreme rotating wall clouds.
At times, multiple vortices swirled within the tornado, which lasted for about 45 minutes and traveled about 44 miles. For less than a second, the researchers calculated wind speeds of more than ...
The tornado was on the ground for 12.4 miles (20.0 km) and had estimated wind speeds of 125 mph (201 km/h), reaching a peak width of 200 yards and causing $12.75 million in damages. [13] [14] At least 100 homes and businesses were damaged and four injuries were reported by the tornado. [15]
Wind speed of 261 mph (420 km/h) or 116 m/s in tornadoes observed by radar, organized by the highest confirmed wind speed. ... Illinois area of responsibility, tying ...