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This tornado began in a forest preserve and moved southwest, causing minor damage near Wheaton Warrenville South High School. The tornado continued moving southeast, damaging some signs to a shopping center. Tree damage continued all the way into the Morton Arboretum, where the tornado lifted. [109] EF0 SE Glen Ellyn to Butterfield: DuPage: IL
The overall extent of severe weather on Sunday may be most impressive-perhaps reaching a dozen or more states, even though the peak intensity of the storms may be slightly less than that of Saturday.
Weather alerts: Tornado watch, tornado warnings issued ... You can get TurboTax for 30% off on Amazon today. AOL. Old Navy's Break a Sweat Sale has activewear from $2 — shop our top picks here. AOL.
In the United States, the year started off somewhat slow with a below average number of tornadoes through the first three months. However, the El Niño pattern that was in place during that period weakened in April; the pattern shift caused the more traditional Tornado Alley zone to rapidly become extremely favorable for tornado outbreaks, and several large outbreaks occurred in late spring.
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 ...
A tornado warning is more severe than a watch, according to the NWS. When a warning is issued, there is imminent danger and a tornado was spotted, or imminent. A watch indicates that tornadoes are ...
An EF2 tornado south of Edinburg, Illinois on August 6. A moist and unstable air mass and very strong winds aloft were present on August 7, with a shortwave trough progressing towards northern portions of Appalachia, and convective available potential energy in the 2500-3500 values yielded for severe thunderstorm development.
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.