The Problems with Ice Jams

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A major cause of post-snow flooding are ice jams in waterways. Snow melt and rain can cause river levels to swell and break apart the ice that covers them in winter months. This creates large ice chunks that can float down stream and jam up, blocking up water and causing flooding.

Because ice jams can cause flooding with little or no warning it is important to have an emergency flood plan. That way you and your family can be ready as soon as the problem occurs.

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More Weather Glossary

  • Hoar Frost

    After a cold, clear winter night without much wind, the ground and nearby tree branches may be covered by tiny, white ice crystals.