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Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin — a high-end classification of tornado warning — sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ground ...
The tornado first touched down at 11:02 p.m. in the Springbrook Prairie Forest Preserve, [5] with the first tornado warning including Naperville and Woodridge issued at 11:05 p.m. for radar-indicated rotation. This warning included areas of Chicago as well, specifically the Chicago Lawn and Midway International Airport areas. [8] Around this ...
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
A radar-confirmed tornado swept through suburban Chicago, damaging homes, toppling trees, knocking out power and causing some injuries, officials said. At least four injuries were reported in ...
As the powerful storms approached Chicago, tornado warnings were issued for the areas in and around the city, encompassing an area that over 2.5 million people call home. ... O'Hare International ...
An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.
A short time later, the weather service said the Chicago forecast area was “currently tornado warning free.” Tornado touches down near Chicago's O'Hare airport, disrupting hundreds of flights ...
Radar imagery of the tornadic supercell that was producing the EF3 Valley View tornado as it moved eastward after passing south of Valley View. The tornado maintained high-end EF2 intensity as it crossed I-35 at the Lone Oak Road/FM 3002 interchange south of Valley View, tossing multiple cars and tractor-trailers off the interstate. On the east ...