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Home > Tips > Ice jams form and break without warning

Ice jams form and break without warning

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April 7, 2014

Be alert to any rapid rises or falls in the river levels. A rapid rise in a river level may indicate that an ice jam has formed downstream of you. In contrast, a rapid fall in a river level may indicate that an ice jam has formed upstream from you. If an upstream ice jam breaks up rapidly, flash flooding of downstream areas can occur very quickly.

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