With colder temperatures, bodies of water are showing signs of icing over.  The Minnesota Department of Natural Resources reminds everyone that no ice is completely safe and we should talk ice safety to our kids.

According to the DNR, ice strength cannot simply be based on age, appearance, thickness, temperature and whether or not the ice is covered with snow.  There are other crucial factors such as the depth of water under the ice, size of the water body, water chemistry and currents, the distribution of the load on the ice, and local climatic conditions.

Kids need to know that even though ice may seem solid in one part of a body of water, it could be dangerous just a few steps away and it's best to avoid it altogether.  Other important things to remember include:

  • New ice is usually stronger than old ice. Four inches of clear, newly-formed ice may support one person on foot, while a foot or more of old, partially-thawed ice may not.
  • Ice seldom freezes uniformly. It may be a foot thick in one location and only an inch or two just a few feet away.
  • Ice formed over flowing water and currents is often dangerous. This is especially true near streams, bridges and culverts. Also, the ice on outside river bends is usually weaker due to the undermining effects of the faster current.
  • The insulating effect of snow slows down the freezing process. The extra weight also reduces how much weight the ice sheet can support. Also, ice near shore can be weaker than ice that is farther out.
  • Booming and cracking ice isn't necessarily dangerous. It only means that the ice is expanding and contracting as the temperature changes.
  • Schools of fish or flocks of waterfowl can also adversely affect the relative safety of ice. The movement of fish can bring warm water up from the bottom of the lake. In the past, this has opened holes in the ice causing snowmobiles and cars to break through.

You can follow the link below for more ice safety information, including thickness guidelines and steps to take in an emergency.

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