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Cause and effect: Here's how different temperatures produce specific types of 'effect snow'
In some unique scenarios, it comes down to a cause and effect that differs from traditional snowstorms: when cold air interacts with warm water, the temperature difference can produce snow. Here's how lakes, oceans, rivers and steam produce snow in a stand-of hot and cold temperatures.
US Coast Guard frees ships during icebreaking operations from New York Harbor to Great Lakes
The U.S. Coast Guard is actively conducting icebreaking operations around the Northern Tier of the U.S. to help vessels maneuver through the frozen, icy waters caused by the prolonged extreme cold and powerful winter storms.
Next round of snow begins across winter-weary East, late-week storm could cause travel trouble
The first of two more rounds of snow is beginning Tuesday across the winter-weary eastern U.S., including parts of the Ohio Valley, Mid-Atlantic and Northeast.
Watch: US Coast Guard ice breakers plow through chunks of ice on New York's Hudson River amid extreme cold
Bone-chilling winter temperatures are causing concern for vessels in the water, and the U.S. Coast Guard has jumped in to help with icebreaking operations.