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NWS adds 4 more tornadoes to the May 21st events in Iowa, including Audubon & Adair Counties

News, Weather

May 24th, 2024 by Ric Hanson

(Des Moines, Iowa) – Officials with the National Weather Service, this (Friday) evening, reported that, “After additional analysis of radar data, reports, and available satellite data, four (4) additional tornadoes have been identified and preliminary ratings and paths have been given. This brings the current total within our service area to eight on May 21st.
1) Exira Tornado – EF-1 – southern Audubon County
2) Arbor Hill Tornado – EF-2 – northeast Adair County
*Note, this is from the parent storm of the Greenfield tornado, as the storm cycled in northeast Adair County.
3) Martensdale Tornado – EF-0 – northwest Warren County
4) Spring Hill Tornado – EF-0 – northwest Warren County
As post-event analysis continues, results above remain preliminary and are subject to change and refinement.