WX History: May 24th

1896: An estimated F4 tornado passed ten miles north of Des Moines, Iowa during the late evening. As many as seven members of one family, the at the north edge of Valeria, Iowa, died as they ran to the storm cellar. Five others died in a nearby home. A steel railroad rail was reportedly driven 15 feet into the ground. The death toll was at least 21.

1973: An F4 tornado tore through the small town of Union City, Oklahoma, killing two and injuring four others. This tornado was the first storm to be studied in detail by the National Severe Storms Laboratory Doppler Radar Unit at Norman, OK and an armada of researchers in the field. Research of the radar data from the storm would lead to the discovery of a “TVS,” or Tornado Vortex Signature. The presence of a TVS on Doppler radar data is a very strong indication of tornadic potential in a severe thunderstorm.

May 24, 1973 Union City Tornado
The first tornado captured by the NSSL Doppler radar and NSSL chase personnel.

Source: Union City Tornado Makes History – NSSL

2002: The last measurable snow of the season fell in Marquette, Michigan. This snowfall brought the city’s seasonal snowfall to 319.8 inches, by far the city’s snowiest winter ever.

2017

2017

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