Winter Flood Risk Fact Sheet
Ice Jams, Levees, and Mudflow Video
On Demand Videos
Ice jams occur when ice accumulates in a river or other body of water, obstructing the natural flow and raising the water surface elevation. This can cause rapid flooding once the jam is formed. Such flooding can overwhelm levees, leading to significant damage, and in mountainous areas, it may also trigger destructive mudflows. Learn more by checking out our short video today!