NWS issues advisory about potential of minor ice jam related flooding


December 30, 2020

The National Weather Service issued a Flood Advisory Sunday for the Jefferson River near Three Forks due to an ice jam that may cause minor lowland flooding. The service is asking residents to report any flooded roads or other impacts to law enforcement, and to remember to avoid driving through floodwaters and never climb on ice jams - they can shift or release without warning!

Ice jams are common during the winter and spring along rivers, streams, and creeks in the higher latitudes of the continental U.S. as well as in Alaska. As ice moves downstream, it may get caught on any sort of obstr...

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