1955 Udall, Kansas tornado

Overview

On the night of May 25, 1955, a violent F5 tornado struck Udall, Kansas, a small farming town about 30 miles southeast of Wichita, killing 77 people in the town and leaving only one building habitable. Counting deaths just outside town, the toll rises to 80–82, making it the deadliest tornado in Kansas history (National Weather Service, Wichita; NPR; The Wichita Eagle). The tornado was the second F5 of the night from the same supercell, following the Blackwell tornado in Oklahoma by about an hour — and its legacy was a warning system rebuilt so that no town would again be struck without warning (National Weather Service, Norman; NPR).

The tornado hit at about 10:35 p.m. local time, after many residents had gone to bed believing the severe-weather threat had passed. The contemporary National Weather Service survey found destruction across the town’s full width, about three-quarters of a mile, toppling the municipal water tower and flattening all but a handful of structures (National Weather Service, Wichita).

The night of May 25, 1955

Radar picked up a new storm near Oklahoma City around 6:50 p.m., and it went on to produce the F5 tornado that struck Blackwell, Oklahoma at about 9:27 p.m. (National Weather Service, Norman). A second tornado then developed north of Peckham and tracked into Kansas, reaching Udall roughly an hour after Blackwell; both came from one parent supercell, part of the wider Great Plains tornado outbreak of May 25–26, 1955 (National Weather Service, Norman).

In Udall the tornado entered from the southwest and moved almost due northeast across the town’s full width. The contemporary survey recorded that the only habitable structure left was a frame house with minor damage on the town’s extreme northwest edge (National Weather Service, Wichita). A concrete-block building about 30 by 40 feet near the tornado’s center had all four walls blown outward, leaving its floor nearly clear of debris (National Weather Service, Wichita). The Eagle’s 1995 retrospective, drawing on city marshal Wayne Keely’s stopped watch, put the strike at 10:38 p.m. (The Wichita Eagle).

The human cost fell heavily on children: the Eagle’s 1995 retrospective counted 22 children among the 77 confirmed dead in Udall, plus five more children of a single family killed outside town (The Wichita Eagle). That figure — 22 children among 77 town dead, nearly 3 in 10 — is why the town’s memorial and school-centered remembrance carry so much of the story’s weight (The Wichita Eagle). The NWS publishes a name-by-name list of the dead, preserving individual identities behind the toll (National Weather Service, Wichita).

Why there was no warning

Udall’s defining failure was not forecasting but communication. The National Weather Service had updated its forecast to include a tornado watch, but the forecast was prepared in Kansas City, relayed to Denver, and only then sent to radio and television stations in Wichita — too late to reach the public (NPR). The Eagle’s 2015 retrospective adds that the bulletin for a new watch did not reach local broadcast media before their 10 p.m. newscasts, so many residents went to bed thinking the threat had passed (The Wichita Eagle).

A National Research Council team sent to study the tornado and its aftermath concluded that attention had to be given to the communication process (NPR). Yet the system was not revamped for another decade: only after a 1965 outbreak across six states killed 270 people did the Weather Service begin relying on storm spotters and build the tornado watch-and-warning system still in use today (NPR). Kansas Public Radio’s reviewer drew the line directly: one reason today’s warnings exist lies in the lessons learned at Udall (Kansas Public Radio).

Aftermath, recovery, and remembrance

Rescue began in darkness. Survivors crawled from debris, and volunteers converged on the town; the Eagle’s 1995 retrospective records that volunteers built a new city hall in a single day to serve as a disaster center, and that sightseers were charged $1 a car — raising $27,000 for families, most of whom had no homeowners’ insurance (The Wichita Eagle). Funerals followed several times a day, and the town began rebuilding from bare ground (The Wichita Eagle).

Relief came from outside institutions and volunteers. The American Red Cross built small two-bedroom houses for survivors, and Mennonite Disaster Service volunteers came to dig graves and help with cleanup (The Wichita Eagle). The new school was built around the students, who moved from room to room as construction advanced (The Wichita Eagle).

Leadership mattered to how the town recovered. Author Jim Minick, who spent years interviewing survivors for his 2023 book Without Warning, credited Mayor Earl “Toots” Rowe with telling residents plainly that he would rebuild and they would still be neighbors (The Daily Yonder). Minick’s book opens with the Atkinson family: 12-year-old Gary Atkinson and his younger brother Stanley were killed, their mother died days later of her wounds, and their father died six months later, leaving eldest son Bob as the family’s only survivor (The Daily Yonder). Remembrance evolved: one anniversary took a festival tone under the name “Fun-nel Days,” but later anniversaries became quieter memorials, and by the 60th anniversary in 2015 a service read each victim’s name while a relative stood (The Daily Yonder; The Wichita Eagle). The victims’ names are carved on a memorial stone in Udall’s city park, and tornado photographs and mementos remain a cornerstone of the town museum (The Wichita Eagle).

The lightning-science debate the storm left behind

Beyond the warning failure, the Blackwell–Udall storm became a decades-long scientific controversy over lightning. The Norman Weather Service office’s account, written by retired National Severe Storms Laboratory scientist Don Burgess, describes unusually vigorous electrical activity: field-mill and sferics measurements recorded flash rates far above normal, with sferics data suggesting rates as high as 60 to 1,500 flashes per minute (National Weather Service, Norman). Those readings fed a theory that electrical heating could help form tornadoes, viable until better data arrived in the 1970s (National Weather Service, Norman). Measurements from the 1973 Union City, Oklahoma tornado settled the debate, showing the enhanced lightning came from the parent storm as a whole, not the tornado itself (National Weather Service, Norman).

Blackwell vs. Udall: the two F5s of one night

	Blackwell, Oklahoma tornado	Udall, Kansas tornado
Date and time	May 25, 1955, about 9:27 p.m. CDT	May 25, 1955, about 10:35 p.m. local time
Rating	F5	F5
Deaths	About 20–21	77 in town; 80–82 including nearby deaths
Injuries	Roughly 200–280	About 250–270 (one retrospective: nearly 400)
Structures destroyed	About 190 buildings	About 192 buildings

Sources: National Weather Service, Norman; Topeka Capital-Journal; The Wichita Eagle. Blackwell figures follow the companion profile; Udall figures follow the ranges reported in this profile.

FAQ

How many people died in the Udall tornado? Seventy-seven people died in Udall itself. Counting deaths just outside town — including five children of one family — the total rises to 80 in National Weather Service and NPR accounts, or 82 in the Eagle’s 1995 retrospective (NPR; The Wichita Eagle).

Why did Udall get no warning before the tornado struck? The Weather Service had issued a tornado watch, but the forecast traveled from Kansas City to Denver before reaching Wichita broadcasters — too late for the public. The new watch bulletin also missed the 10 p.m. newscasts, so many residents went to bed believing the danger had passed (NPR).

How did the Udall tornado change tornado warnings? A National Research Council team concluded that warning communication had to improve. Only after a 1965 outbreak killed 270 people did the Weather Service rebuild its system around storm spotters and the tornado watch-and-warning system still used today (NPR).

Was the Udall tornado part of the same storm as the Blackwell tornado? Yes. One parent supercell produced both F5 tornadoes on the night of May 25, 1955 — Blackwell at about 9:27 p.m., then Udall about an hour later — as part of the wider Great Plains tornado outbreak (National Weather Service, Norman).

What remains in Udall to mark the tornado today? A memorial stone in Udall’s city park carries the victims’ names, and the town museum keeps photographs and mementos of May 25, 1955. Anniversary services continue to read the victims’ names aloud (The Wichita Eagle).

What this profile does not claim

This profile does not resolve the disagreements between sources on the exact death toll (77 in Udall; 80–82 total), injury count (250–270, with one retrospective near 400), path length (over 50 miles traced by the contemporary survey vs. 30 miles in a later summary), or town population (about 500 to roughly 600). It does not assert which hospitals received the injured or that a film crew helped with cleanup, since those claims appear only in sources this profile could not fetch and read in full.