1957 Ruskin Heights tornado
F5 tornado in the midwestern United States
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Through Tornado, Jet stream and Surface weather observation
The tornado touched down near Williamsburg at 7:15 p.m., headed northeast. As the tornado neared Homewood, it took on a multi-vortex shape and lofted gravestones in the air. As it passed near Spring Hill, the tornado leveled numerous buildings and killed seven people before crossing state lines into Missouri, where the worst damage was observed in the Martin City area. The tornado left an estimated eighty-five percent of Martin City "uninhabitable", and killed another thirty-seven people before dissipating at 8:53 p.m., over an hour after touching down.
Meteorological synopsis
Early on May 20, a 75-to-80-knot (86 to 92 mph; 139 to 148 km/h) mid-level jet stream bisected dew points of 65 °F (18 °C), coincident with a 986-millibar (29.1 inHg) low-pressure area and warm front over southeastern Nebraska. Soundings and surface weather observations indicated a robust, unstable warm sector, showing 3,000 J/kg of surface-based convective available potential energy (CAPE) and the presence of strong wind shear, all which favored the development of supercells. At 17:00 UTC (12:00 p.m. CDT) the Severe Local Storms Unit (SELS) in Kansas City had already issued a severe weather watch, mentioning tornadoes, for the Kansas–Nebraska state line and its environs. Subsequent updates covered much of the eastern Great Plains, from the Green Country to southeastern Nebraska. Upon formation, severe thunderstorms traveled at up to 42 mph (68 km/h), attended by extremely large hail.
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Tornado summary
The tornado, which was likely a family of tornadoes, was first seen as it was forming near Williamsburg, it then moved northeastward through several counties, producing near-continuous damage; a single tornado was likely present for 50 mi (80 km) or more. Around Homewood, the tornado was attended by up to 10 tentacle-like vortices or satellite tornadoes, producing major damage to rural property and carrying gravestones miles away. Near Homewood, it was determined from ground surveys that two tornadoes were on the ground at the time, with the second one being rated F3. Passing near Ottawa, Rantoul, and Spring Hill, it leveled many homes and caused seven fatalities. South of Wellsville, the tornado may have dissipated and reformed; it then continued uninterrupted for the rest of its life.
Along the Kansas–Missouri border the tornado followed a near-straight line, causing $1 million in losses in Kansas, along with seven deaths. Affecting the southern suburbs of Kansas City, it entered Missouri, tearing through Martin City, Hickman Mills, and Ruskin Heights, along with the northeastern side of Grandview. An occupied car was thrown into a water tower; the occupants survived. Ground scouring was observed near Hickman Mills, and large trees were snapped. Housing incurred F5 damage, besides some businesses at a shopping center. Some areas were reportedly "swept clean", and a newly built brick school in Ruskin Heights was badly damaged; 85% of Martin City was uninhabitable. In total, over 800 homes and businesses were damaged or destroyed. The tornado claimed 37 lives in Missouri and injured 500 or more people. Debris from Hickman Mills was found in Iowa, 165 mi (266 km) away, and other debris was carried aloft 30,000 ft (9,100 m; 5.7 mi; 9.1 km).
Historically, the 1957 F5 was not the only significant tornado to affect the area: an F3 tornado also affected Martin City and nearby Holmes Park on May 23, 1946, destroying or damaging chicken coops, silos, a marketplace, barns, and homes. The tornado killed a couple and injured five people.
Aftermath
Martial law was declared in Ruskin Heights and neighboring areas. National Guard troops were called in to assist with rescue and cleanup operations. In total, the tornado caused $2,500,000 ($28,660,000 in 2025 USD) in damage in Kansas and Missouri. A memorial was constructed to honor the victims of the tornado; it was completed in May 1958. In September 2024, the memorial was damaged due to a car crash.