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Us East Coast Impacts of the NAO
The US East coast experiences milder winter conditions during a positive NAO index phase.
The amount of snow cover is reduced.
Warmer than usual ocean temperatures cause more frequent occurrence of "red tides" in the summer.
Colder than usual tropical ocean temperatures reduce the number of hurricanes in the following summer.
Cold ocean temperatures in the spawning grounds over the Grand Banks cause less cod reproduction.
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