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Flood — Trempealeau, WI

Apr 21, 2023

A strong spring storm affected much of Wisconsin in the middle of April, providing upwards of 20 of snow in north-central Wisconsin on an already deeper than average snowpack. Subsequent anomalously warm temperatures resulted in a rapid melt of this deep snowpack and rapid rises along the Black River in Central Wisconsin. The highest above flood stage occurred at Black River Falls reaching 6.42 ft above flood stage on April 21st. The combination of this strong spring storm and subsequent floodin

Source: NOAA National Weather Service Storm Events Database (event 1096443). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Trempealeau, WI

This event is one of many recorded floods in Trempealeau County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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