Video: Mighty meteor lights up Wisconsin skies

  1. Closed captioning of: Mighty meteor lights up Wisconsin skies

    >>> to treat my depression .

    >>> a bright light in the sky across several states last night. look at this. it was caught on the dashboard camera of a police cruiser . it was something to see. it lit up the night. caused a sonic boom heard for miles and then it lit up switchboards across a wide area of the midwest. the experts tell us it was a meteoroid about the size of a football stadium .

    >>> the president released his tax staff and news service reports
updated 4/15/2010 11:58:43 AM ET 2010-04-15T15:58:43

Skywatchers over a wide area of the Midwest got a brief but spectacular light show as a fireball streaked across the sky Wednesday night.

Reports about the fireball began flooding law enforcement agencies as well as National Weather Service offices from Milwaukee to St. Louis at around 10 p.m. CT (11 p.m. ET). Sightings were reported in Wisconsin, Iowa, Illinois and Missouri.

"A large meteorite could have caused the brilliant fireball that has been reported," the National Weather Service’s Milwaukee office said in statement. In Iowa, officials reported a prolonged sonic boom related to the display. The University of Wisconsin at Madison captured the meteor's fall in a time-lapse Webcam sequence.

Meteor hunters were trying to locate the object's landing spot. David Sheets, a meteorologist at the weather service's office in Davenport, Iowa, estimated that the meteor was about 24,000 feet above Earth when it flashed across the Quad Cities.

The Davenport weather service office said in a statement that the meteorite broke up into pieces during its descent through the atmosphere. As of late Wednesday, it was "unknown whether any portion of this meteorite hit the ground," the office said. Other reports suggested that a piece might have fallen in southern Wisconsin.

"While no official determination has been made of what caused the fireball ... space debris, meteor, etc. ... there is a meteor shower currently occurring called the Gamma Virginids," the Milwaukee weather service office noted. "It began April 4 and is expected to last through April 21."

A better-known meteor shower, known as the Lyrids, is just beginning and is expected to peak April 22.

Meteor showers occur when Earth moves through the trail of cosmic dust and debris left behind by a comet or occasionally an asteroid. Most of the meteor trails occur high up in the atmosphere and have no impact on the surface, but on rare occasions, meteorites can survive the fall.

This report includes information from The Associated Press, WMAQ-TV and

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