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Chief: rapid microburst caused damage; sirens did not sound because no tornado warning was issued
Summary
City officials said a sudden microburst produced widespread property damage on April 1 but that Logan County Emergency Management did not issue a tornado warning, so the city’s tornado sirens were not activated.
Lincoln public safety officials described storm damage that occurred the previous week and explained why the city’s outdoor warning sirens did not activate.
During the April 7 meeting the council asked the chief to explain the type of storm and why sirens did not sound. The chief said the National Weather Service characterized the event as a microburst—straight‑line winds—not a tornado, and that Logan County Emergency Management activates sirens only when the National Weather Service issues a tornado warning or a severe thunderstorm warning that meets criteria (winds greater than 70 mph or hail 1.75 inches or larger). "According to National Weather Service, it was a microburst, which is a straight line wind type of event," the chief said. "The sirens...are set off by Logan County Emergency Management when the National Weather Service puts out a tornado warning or a severe thunderstorm warning."
The chief told the council that the storm arrived quickly, produced downed power poles and trees, and caused no reported injuries. He reiterated the monthly siren test schedule and encouraged residents to call the police if they do not hear a test, noting the city cannot check every siren location each month.
Council members and staff also praised first responders and public works crews who responded to the damage. The mayor and others thanked responding departments for their quick work clearing hazards and restoring services.
Why it matters: Residents asked why sirens did not sound during a damaging, fast‑moving storm. The chief’s explanation clarifies that the sirens are tied to specific National Weather Service warnings and that not every damaging wind event will trigger an outdoor warning system.
