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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 ...
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 ...
SPC storm reports for November 17, showing the extent of the tornado outbreak and subsequent wind event. With the overall upper-level system expected to track eastward across the United States High Plains on November 17, the SPC issued a slight risk for severe thunderstorm activity for an area surrounding the confluence of the Mississippi and Missouri rivers, valid for the early morning hours ...
As such, a large 5% risk for tornadoes was introduced for most of the lower Tennessee Valley, including portions of Mississippi, Alabama, Georgia, southern Tennessee, and northwestern South Carolina for at least a conditional threat of brief tornadoes. [6] Radar loop of a QLCS and supercells along with severe warnings in the Southeast during ...
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 ...
A tornado warning is issued when a tornado has been sighted or indicated by weather radar. When a tornado warning is issued, the NWS recommends taking immediate action and moving to the lowest ...
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.
Satellite image of the storm system responsible for the tornado outbreak that occurred on April 25–28, 2024. On April 20, 2024, the National Weather Service's Storm Prediction Center (SPC) first delineated a severe weather risk for April 25–26, highlighting a zone extending from the Central Great Plains northeastward to the Midwestern U.S.