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Flash Flood Warning issued October 9 at 1:15AM CDT until October 9 at 4:15AM CDT by NWS Sioux Falls SD

StatusHistorical — Event Resolved
Severity8.0
StateIA
Started2026-10-09T06:15:00+00:00
Last Updated2026-10-09T09:10:46.983+00:00
Sourcenoaa_ahps
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Union County, SD disaster historyAll US hazard profilesScoring methodology