2026 St. Libory tornado
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| File:St. Libory NE EF3 tornado 17 May 2026.png The twister | |
| Meteorological history | |
|---|---|
| Duration | 11 minutes |
| Formed | 5:04 P.M. CDT |
| Dissipated | 5:15 P.M. CDT |
| EF3 tornado | |
| on the Enhanced Fujita scale | |
| Path width | 350 yd (320 m) |
| Path length | 6 mi (9.7 km) |
| Highest winds | 160 mph (260 km/h) |
| Overall effects | |
| Fatalities | 0 |
| Injuries | 0 |
| Areas affected | St. Libory |
| Script error: The function "split" does not exist. IBTrACS | |
Part of the tornadoes of 2026 | |
The 2026 Palmer–St. Libory tornado was a powerful, highly visible, and destructive tornado that struck central Nebraska on the afternoon of May 17, 2026. The tornado formed out of an intense, rotating supercell during a larger multi-day severe weather outbreak across the Great Plains and Upper Midwest.[1]
The tornado tracked from northeast of St. Libory into rural areas surrounding Palmer, inflicting severe structural damage. It was preliminarily rated as an EF3 on the Enhanced Fujita scale after leveling several homes, sweeping one clean from its foundation, and throwing a four-wheeler vehicle a considerable distance.[2] Despite the intense structural collapse of occupied dwellings, there were no reported fatalities or injuries due to advanced warnings.[2][3]
Meteorological synopsis
On May 17, 2026, the Storm Prediction Center (SPC) placed parts of central and eastern Nebraska under an enhanced risk for severe thunderstorms, highlighting an atmospheric profile highly favorable for strong tornadoes. The environment was characterized by high convective available potential energy (CAPE), rich low-level moisture, and steep lapse rates, combined with intense wind shear along a shifting frontal boundary.[4]
Late in the afternoon, discrete supercell thunderstorms rapidly organized. At 5:07 p.m. CDT, the National Weather Service (NWS) office in Hastings issued a Particularly Dangerous Situation (PDS) Tornado Warning for portions of Howard, Merrick, Nance, and Polk counties. The NWS alert warned residents that a "large and extremely dangerous tornado" was on the ground 15 miles north of Grand Island near St. Libory, moving northeast at 45 mph (72 km/h).[5]
Atmospheric conditions allowed the tornado to remain highly visible and distinct from its parent rain shaft. Numerous storm chasers captured high-resolution footage of the lifecycle, documenting a rapid transition from a narrow cone into a wide, violent "stovepipe" structure as it cross-cut open fields and rural homesteads.[4][3]
Impact and damage
The tornado tracking path cut across rural corridors between St. Libory and Palmer, inflicting severe structural damage primarily to residential properties and agricultural infrastructure.[6]
St. Libory and Howard County
The most concentrated and violent structural impact occurred just north of St. Libory, concentrated around the intersection of 7th Road and Denton Road.[6] Howard County Emergency Management Director Allen Wilshusen confirmed that at least three to four homes sustained extreme damage.[2][7]
Two homes in this area were completely leveled, with ground-level damage documentation showing at least one home's foundation swept entirely clean of structural debris.[2] A four-wheel utility vehicle at a damaged farmstead was lofted and thrown a significant distance by the vortex.[2]
One home suffered a total structural collapse while the occupants were inside. The residents had taken shelter in the basement and became trapped by the heavy debris of the collapsed upper floors.[3] Howard County first responders and mutual aid units successfully extricated the residents; none required emergency medical hospitalization.[3] Widespread utility failure occurred across northern Howard County as high-voltage wooden power poles were snapped at the base or entirely shredded.[2]
Palmer and Merrick County
As the tornado continued its northeast trajectory toward Palmer, the storm's intense core dropped extraordinarily large hail. The NWS recorded hail stones up to 3.5 inches (8.9 cm) in diameter—roughly the size of softballs—within Palmer and surrounding communities.[1] The combination of violent winds and softball-sized hail caused widespread secondary damage, shattering windows, fracturing roofs, and denting vehicles across Merrick County. The tornado also caused localized structural damage to outbuildings and agricultural piping systems before lifting.[6]
Aftermath
Immediately following the storm, the St. Libory Fire and EMS department deployed crews to secure the area, urging the public and storm spotters to stay away due to the high volume of live downed power lines and dangerous debris fields.[2]
Nebraska Governor Jim Pillen issued a public statement indicating that the state was actively monitoring the damage in Howard County and coordinating state-level resources to assist local emergency management with cleanup and utility restoration.[2] Preliminary storm surveys conducted by the National Weather Service office in Hastings categorized the maximum damage indicators as matching the EF3 threshold, noting that widespread compliance with the PDS warning successfully prevented injuries and loss of life.[2][3]
See also
References
- ↑ 1.0 1.1 FOX Weather Staff (May 17, 2026). "Strong tornadoes slam the Plains, Upper Midwest in multi-day severe weather outbreak". Fox Weather. Retrieved May 19, 2026.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Ourada, Jackie (May 17, 2026). "At least 3 homes significantly damaged from St. Libory tornado during severe weather outbreak". Nebraska Public Media. Retrieved May 19, 2026.
- ↑ 3.0 3.1 3.2 3.3 3.4 Eschrich, Logan (May 17, 2026). Tornado damage north of Saint Libory, Nebraska. Live Storms Media / YouTube. Retrieved May 19, 2026.
- ↑ 4.0 4.1 "Nebraska tornado formation - May 17, 2026". ABC7 Chicago. May 18, 2026. Retrieved May 19, 2026.
- ↑ 17th May 2026 - PDS Tornado Warning - Saint Libory, Worms Nebraska - NOAA Weather Radio. National Oceanic and Atmospheric Administration / YouTube. May 17, 2026. Retrieved May 19, 2026.
- ↑ 6.0 6.1 6.2 Chaos in Nebraska and Iowa, USA! Storms and tornadoes devastate Palmer, St. Libory, and St. Paul. Lensa Alam / YouTube. May 18, 2026. Retrieved May 19, 2026.
- ↑ "Photos: Severe weather rolls through Lincoln on May 17, 2026". Lincoln Journal Star. May 17, 2026. Retrieved May 19, 2026.
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