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Flood — Big Horn, WY

Jun 1, 2015

Heavy rain the previous week filled the Big Horn River drainage basin with water. At the same time, recent warm temperatures were melting snow in the Greybull River drainage and additional thunderstorms occurred. The combination of the high water on both rivers led to some minor river flooding near their confluence south of the town of Greybull. Flood waters upstream of the confluence threatened to flow across US Highway 16/20 south of Greybull. Some sandbagging was needed to prevent damage to a

Source: NOAA National Weather Service Storm Events Database (event 571590). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Big Horn, WY

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

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Big Horn, WY · Mar 7, 2014

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Big Horn, WY · Mar 7, 2014

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Big Horn, WY · May 17, 2013

A line of thunderstorms developed over the southern Big Horn Basin and become severe as they progressed to the northeast. Hail was reported in multiple locations. The largest hail was quarter sized and was observed in Winchester.

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